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Controlling the Location of Nanoparticles in Polymer Blends by Tuning the Length and End Group of Polymer Brushes | This paper investigates controlling the location of nanoparticles (NPs) in a phase-separated polymer blend of deuterated poly(methyl methyl methacrylate) (dPMMA) and poly(styrene-ran-acrylonitrile) (SAN). Silica NPs are grafted with PMMA brushes having molecular weights of 1800, 21000, and 160000 at fixed grafting dens... | Abstract This paper presents investigations of the longitudinal radiative force in an electron bunch moving in an undulator (wiggler). An analytical solution is obtained for a Gaussian longitudinal bunch profile. Radiative interaction of the particles in an intense microbunch induces a correlated energy spread in the e... | eng_Latn | 10,200 |
An account of the initial integration of photoemission and synchrotron radiation | Abstract The first energy-resolved photoemission experiments which used synchrotron radiation were performed on the Tantalus Storage Ring at the University of Wisconsin. The Ring was the first dedicated light source and during the winter of 1970–1971 D.E. Eastman and the author's groups carried out the initial experime... | Recent results from CERN experiment NA36 are discussed and compared with models. These results refer to reactions of sulfur and protons of momentum 200 GeV/c per nucleon on a lead target. The [Lambda] spectrum for the sulfur beam was found to peak at mid-rapidity rather than target rapidity as observed in the proton in... | eng_Latn | 10,201 |
An experimental study of charge transfer and ionisation in Cs+-Cs+ collisions | Cross sections for Cs2+ production from the combined processes of charge transfer and ionisation in Cs+-Cs+ collisions have been determined at centre-of-mass energies between 40 and 280 keV using an intersecting-beam technique previously developed in this laboratory. Measured cross sections are at least 1.5*10-16 cm2 a... | Classical contact transformation theory is reconstructed from the concept of explicit rather than implicit transformation equations. This proves the existence of contact transformations from any given Hamiltonian to any prescribed Hamiltonian (with the same number of degrees of freedom). | eng_Latn | 10,202 |
Simulation of Scintillation-Ionization Detector | We have studied and simulated the properties of Scintillation-Ionization Detector (SID), dedicated for the detection of very/super heavy elements (VHE/SHE) that decay by spontaneous fission. The results are presented in this report. | In this paper the shunting inhibitory cellular neural networks (SICNNs) with time-varying delays are considered. Without assuming the global Lipschitz and bounded conditions of activation functions, sufficient conditions for the existence of the almost periodic solutions are established by using a fixed point theorem. ... | eng_Latn | 10,203 |
The development of the intense positron beam at Washington State University | Abstract A High Voltage Engineering K-4000 Van de Graaff ion accelerator has been acquired by Washington State University. This accelerator will be used to create a positron source through the 12 C(d, n) 13 N reaction. The accelerator is capable of accelerating protons or deuterons up to 4 MeV with a maximum beam curre... | The authors gratefully acknowledge the Australian Research ::: Council for financial support and Swinburne University ::: of Technology for Strategic Initiative funding. One of ::: the authors X.W. acknowledges partial financial support of ::: the Chinese National Natural Science Foundation ::: 10364004 and the Yunnan ... | eng_Latn | 10,204 |
New reactive power calculation method for electric arc furnaces | Abstract In this study main reactive power calculation methods are evaluated and compared. Furthermore, a novel simple method that can be used for calculation of reactive power in electric arc furnace (EAF) plants is proposed. The focus here is on their application in the control system of static VAr compensators (SVCs... | We developed a robust and low-cost array of virtual Frisch-grid CdZnTe detectors coupled to a front-end readout application-specific integrated circuit (ASIC) for spectroscopy and imaging of gamma rays. The array operates as a self-reliant detector module. It is comprised of 36 close-packed 6 × 6 × 15 mm3 detectors gro... | eng_Latn | 10,205 |
A study of radiations from W187 | Abstract The decay of 24 h W187 has been studied by means of a six gap beta ray spectrometer, a single gap beta ray spectrometer, scintillation spectrometers, electron-gamma and gamma-gamma coincidence techniques. Beta transitions with end-point energies of 1329±5 keV (18%), 625±10 keV (74%) and 325±20 keV (8%) are fou... | 819Background: Preoperative chemoradiotherapy regimen using S-1 plus Irinotecan is still under clinical investigation. The aim of this study was to investigate the significance and the long-term ou... | eng_Latn | 10,206 |
A single-crystal diffractometry investigation of scandium in β-rhombohedral boron | The structure of a crystal of composition FeB/sub approximately 49/ has been investigated using single-crystal diffractometry. The space group is R3m and the hexagonal cell dimensions are a = 10.951 A and c = 23.861 A. The three-dimensional boron network is essentially equivalent to that found in ..beta..-rhombohedral ... | Abstract : Tomographic images are presented of the spatial distribution of electron density in the sub-auroral ionosphere. The reconstructions have been obtained by inversion of total electron content measurements made at four stations in UK. The images cover the period from early January to mid April 1993 and represen... | eng_Latn | 10,207 |
Pulse width effect in ultrafast laser ionization imaging. | The effects of different laser pulse widths on laser-induced ionization imaging of microstructures embedded in transparent materials are investigated. It is shown that a femtosecond laser-induced ionization probe can detect the variation of elemental composition of the sample materials with a higher contrast ratio, whe... | We present X-ray light curves and the energy spectra for two contact binaries SW Lac and W UMa, which are obtained from the ASCA(Advanced Satellite for Cosmology and Astrophysics) observations. We find that both sources show appreciable flux variations during the observatoins, and the variations are erratic and are not... | eng_Latn | 10,208 |
35Cl NQR Study of Cation Polarizability in Metal Salts of Monochloro Acetic Acid | Various metal salts (Na, K, Rb, and NH4) of monochloro acetic acid were prepared and the Cl-35 nuclear quadrupole resonance frequencies were measured at room temperature. A comparative study of nuclear quadrupole resonance frequencies of monochloro acetic acid and its metal salts is carried out. The frequency shifts ob... | Below laser fluences where a plasma is formed (the so-called plasma or plume formation threshold) a number of fundamental phenomena can occur where particles such as atomic and molecular ions, atoms and molecular neutrals, and electrons can be emitted. An understanding of such processes are necessary to develop predict... | eng_Latn | 10,209 |
Successful application of belimumab in two patients with systemic lupus erythematosus experiencing a flare during tocilizumab treatment | This case report describes two female lupus patients who both received biological treatment with tocilizumab and with belimumab. The disease course was remarkably similar in both cases. Tocilizumab resulted in a transient improvement in pleurisy and arthritis but was then followed by a clinical flare accompanied by an ... | The lithium tokamak experiment (LTX) is a spherical tokamak with R0=0.4m, a=0.26m, BTF∼3.4kG, IP∼400kA, and pulse length ∼0.25s. The goal of LTX is to investigate tokamak plasmas that are almost entirely surrounded by a lithium-coated plasma-facing shell conformal to the last closed magnetic flux surface. Based on prev... | eng_Latn | 10,210 |
56—The Photoelectric Measurement of the Irregularity and the Hairiness of Worsted Yarn | The effect of the surface hairs upon the measurement of yarn irregularity and diameter by a photometer has been studied. The increase in the measured variation, due to this cause, depends upon the width of the photometer aperture. The effect of surface hairs upon the mean diameter of a worsted yarn measured photometric... | Abstract This paper presents investigations of the longitudinal radiative force in an electron bunch moving in an undulator (wiggler). An analytical solution is obtained for a Gaussian longitudinal bunch profile. Radiative interaction of the particles in an intense microbunch induces a correlated energy spread in the e... | eng_Latn | 10,211 |
Interstitial Chromium in Silicon on the Micron Scale | Abstract Imaging the Photoluminescence (PL) intensities related to recombination via the two metastable states of chromium in boron doped silicon is a highly sensitive means for measuring the spatially resolved interstitial chromium concentration ( [Cri] ) in silicon. In this work we show that the straightforward combi... | Abstract : In this paper, we analyse the radiation on a step discontinuity of a grounded chiral slab, and we show that it can be enhanced due to the effect of chirality. In addition to the surface modes, the continuous spectrum of radiation modes is also taken into account. In fact, it is the coupling between these two... | eng_Latn | 10,212 |
Extreme ultraviolet lasers: principles and potential for next-generation lithography | Extreme ultraviolet (EUV) lasers in the wavelength range of ~ 10 to 20 nm have matured to a point where dedicated applications such as at-wavelength inspection of extreme-ultraviolet lithography (EUVL) masks become possible on the laboratory scale. The authors briefly review the principles of plasma-based EUV lasers, t... | Abstract : Theoretical calculations on the trajectory of an electron beam of kilovolt energy range in an ionospheric environment have been performed. By means of a succession of orthogonal transformations, the trajectory and luminosity as observed at a photometer with a given angular field of view are obtained. For the... | eng_Latn | 10,213 |
Thin-walled cylindrical counter for Geiger-Müller counting of low energy beta radiation | A cylindrical thin-walled counter, 22 mm in diameter, 15 cm long, suitable for counting carbon-14 β particles is described. The window thickness is 4.54 mg cm-2, operating voltage 1600 v, plateaux 400 v, slope less than 2%. The efficiency of counting for particles arriving at the counter is 6-8%. | We consider the cross area of the PP_ and PSV_wave window as the best window for joint PP_ and PSV_wave acquisition in VTI media. Within the effective window, the PP_ and PSV_wave's raypathes and phase angles at all reflection points are calculated, and the reflection (or transmission) coefficients' ratios of PSV- to P... | eng_Latn | 10,214 |
Identification of the υ7/2+[404] band in neutron-rich 109Ru | The high-spin spectroscopy of neutron-rich 109 Ru is studied by measuring the prompt y rays from the spontaneous fission fragments of 252 Cf with 102 Compton-suppressed Ge detectors in the Gammasphere detector array. Previous band structures are confirmed and the ground state band is extended. A positive parity band ba... | The published cross sections of 232Th, 233U, 234U, 235U, 236U, 237Np, 238U, 239Pu, 240Pu, 241Pu, and 242Pu from 1 keV to 10 MeV have been carefully studied to select best cross sections for fast re... | eng_Latn | 10,215 |
Afterglows as Diagnostics of Gamma Ray Burst Beaming | If gamma-ray bursts are highly collimated, radiating into only a small fraction of the sky, the energy requirements of each event may be reduced by several (up to 4–6) orders of magnitude, and the event rate increased correspondingly. The large Lorentz factors (Γ≳100) inferred from GRB spectra imply relativistic beamin... | Theoretical barograms have been calculated for acoustic-gravity waves ::: generated by underground explosions. Two formulations were used. 1) The ::: thermally modeled gravitating atmosphere is excited by a time varying deformation of the earth's surface. The final deformation is the static ::: surface displacement due... | eng_Latn | 10,216 |
Rolling shutter with non-noise flat disc spring driving device | A spring motor having a pot shaped housing in which a flat spiral spring is housed. The flat spiral spring is connected at one outer end to the pot-shaped housing while the inner end is coupled to a shaft or axle. To prevent radial vibrations of individual spring layers when the spring motor is wound or unwound, a damp... | The soft X ray streak camera is very important detection tool for studying soft ray time characteristics. We calibrated its relative energy response and gain with synchrotron radiation light source on the BSEF. The experimental results agree with those calculated by B.L. Henke. | eng_Latn | 10,217 |
THE DETERMINATION OF THE POWER FACTOR OF A HIGH FREQUENCY ELECTRICAL DISCHARGE. Final Report | The power factor of a high frequency electrical discharge in air tor a range of 3.5-4.5 mc and 0-250 mm Hg pressure has been measured. A chain mechanism has been proposed to account for the fixation of nitrogen in a high frequency discharge. A biased random walk problem of an electron travelling through a gas in an a-c... | Measurements of astrophysically relevant (n, {gamma}) rates have been significantly improved in the past decade. An appealing complement to the traditional techniques was the development and implementation of a 4{pi} BaF{sub 2} detector with nearly 100% efficiency. This detector proved particularly successful in meetin... | yue_Hant | 10,218 |
Production and characterization of ion-beam-sputtered multilayers | We report on the application of low pressure ion beam sputtering combined with simultaneous (neutralized) ion beam polishing to the production of multilayer structures for x-ray optics. Initial examination of these structures by high resolution diffractometry at 0.154 nm indicates that the structures exhibit a high deg... | This paper addresses the problem of channel and propagation delay estimation in asynchronous DS/CDMA systems. We consider the uplink connection in DS/CDMA with long spreading codes. The MIMO stochastic gradient algorithm proposed in [6] is estimating a linear combination of the channel impulse responses and the propaga... | eng_Latn | 10,219 |
Rotational bands in the near-drip-line nucleus 128Nd | Abstract:The even-even nucleus 128Nd was studied via in-beam γ-ray spectroscopy using the 40Ca + 82Mo reaction at 190 MeV. Two new bands were observed besides the yrast one, that has been extended up to spin 34+. Configurations were assigned to the three bands by analysing their rotational properties and by comparison ... | When simulating electrically large complex structures such as Drift Tube Linac (DTL) cavities in 3D simulators, it is important to choose a model representation that is a compromise between accuracy and time/resource cost. This paper presents an analytical method, based on Slater perturbation theorem, to control freque... | eng_Latn | 10,220 |
Picosecond imaging of low-density plasmas by electron deflectometry | We have imaged optical-field ionized plasmas with electron densities as low as 1013 cm−3 on a picosecond timescale using ultrashort electron pulses. Electric fields generated by the separation of charges are imprinted on a 20 keV probe electron pulse and reveal a cloud of electrons expanding away from a positively char... | Abstract The paper presents a novel technique to restore motion blurred images. Motion blur generally appears due to camera shake and exposure time. The blur parameters being the motion blur length and angle are estimated in a fast way using radon transform with less computational time. The image is restored using leas... | eng_Latn | 10,221 |
Research Advances in Suppressor of Cytokine Signaling-1 and Immune Therapy of Multiple Myeloma | Suppressor of cytokine signaling-1(SOCS1) is produced in cells and identified as a classic negative feedback loop to regulate cytokine signal transduction.SOCS1 may inhibit cytokine signal transduction of some cytokines such as IL-6,IL-12,IL-15,IL-7,interferon and so on.At the same time,it could also inhibit JAK-STAT s... | This thesis is devoted to the radiation hardness assurance of several SiGe BiCMOS technologies considered by the ATLAS SiGe group from CERN as candidates to constitute the readout electronics of the strips region of the upgraded silicon tracker and the Liquid Argon calorimeter of the ATLAS Upgrade experiment of the Lar... | eng_Latn | 10,222 |
A wide-range Parallel Radial Mirror Analyzer for scanning electron/ion microscopes | Abstract This paper presents the design of a wide-range Parallel Radial Mirror Analyzer (RMA) for use as an attachment inside the specimen chambers of scanning electron/ion microscopes. The range of energies for the PRMA typically varies by a factor of 50, and it is predicted to have second-order focusing properties fo... | This paper presents design and characteristics of a compact, highly integrated Ka-band T/R module built by using a miniature magnetron in the transmitter chain. By implementing a solid-state modulator and microstrip design in the microwave part of the receiver, the overall size of the module has been reduced significan... | eng_Latn | 10,223 |
Development of a gamma-camera with a functional collimator | Abstract We propose the novel gamma-camera with a functional collimator, that has detection ability on the collimator wall surface. The gamma-ray detection sensitivity of the proposed gamma-camera is improved by a factor of 70 compared with a conventional one. Through Monte Carlo simulations, the required gamma-ray emi... | Abstract Employing Glauber's approximation and optical potential, the angular distribution and vector and tensor polarization for the scattering of 420 MeV deuterons from carbon are calculated and compared with the experimental data of Button and Mermod. | eng_Latn | 10,224 |
Feasibility survey: Krypton removal at Hanford | Fission-production of krypton-85 in natural uranium piles is substantial and in direct proportion to plutonium production. The known chemical and nuclear properties of krypton are such as to permit its determination in air samples taken at considerable distance from its force and to allow correlation of such measuremen... | Abstract We have explored the radiolytic action of the analyzing 15 N beam on thick samples of hydrogenated carbon. The exposure induced a reduction of the Doppler width compatible with the destruction of carbon-hydrogen bonds and the formation of molecular hydrogen. | eng_Latn | 10,225 |
Growth of the energy spread due to the radiative interaction in a short electron bunch moving in an undulator | Abstract This paper presents investigations of the longitudinal radiative force in an electron bunch moving in an undulator (wiggler). An analytical solution is obtained for a Gaussian longitudinal bunch profile. Radiative interaction of the particles in an intense microbunch induces a correlated energy spread in the e... | We present a theory of stress relaxation in star polymer melts with no adjustable parameters beyond those measurable in linear melts. We incorporate the effect of higher Rouse modes on star arm retraction and the Colby−Rubinstein scaling of entanglement length within “dynamic dilution”. Our results for G‘‘(ω) compare w... | eng_Latn | 10,226 |
Mouse liver dispersion for the diagnosis of early-stage Fatty liver disease: a 70-sample study. | Abstract The accumulation of fat droplets within the liver is an important marker of liver disease. This study assesses gradations of steatosis in mouse livers using crawling waves, which are interfering patterns of shear waves introduced into the liver by external sources. The crawling waves are detected by Doppler ul... | In order to comply with the special challenges (open 4f-shell, configuration mixing) of simulating the spectrum of W23+ an extensive atomic model was implemented using the flexible atomic code (FAC). In detail, the basis functions from 11 configurations were used to model about 12000 levels, which give rise to roughly ... | eng_Latn | 10,227 |
The effect of the vacuum-plasma transition and an injection angle on electron-bunch injection into a laser wakefield | External injection of an electron bunch in the laser wakefield can result in femtosecond accelerated bunches with relatively low energy spread. In this paper it is shown that the density transition from vacuum to plasma can play an important role in the trapping process. The plasma wavelength in this transition region ... | A discussion of the semiclassical two-channel close-'curve-crossing' S matrix is given, with special reference to Stueckelberg phases as calculated within the non-adiabatic parabolic model. It is shown that the phase Gamma 1, normally associated with elastic adiabatic evolution through the 'curve crossing', is consider... | eng_Latn | 10,228 |
A review of X-ray spectral evolution in Crab pulsar | Pravdo et al. (1997) claimed that the phase resolved x-ray spectrum in Crab pulsar (PSR B0531+21) shows a spectral hardening at the leading edge of the first peak of its integrated profile (IP); this was a new and unexpected result. This article reanalyzes their data, as well as some other related data, and argues that... | We report the arbitrary modulation of chirped ultrashort laser pulses with a 70 GHz bandwidth. In the proof-of-principle experiment, modulation of Ti:sapphire laser emission was performed by the acousto-optic dispersive delay line, and the temporal pulse shape was measured with a picosecond streak camera. | eng_Latn | 10,229 |
Generation and Application of High Quality Photoelectron Beam at Waseda University | Low emittance and ultra-short electron beam is very useful tool in a various research fields, such as the physical chemistry investigation in ionization and excitation processes of various materials. Research of high quality electron beam generation has been started at Waseda University. The high quality electron beam ... | With the development of all-optic network, the hotspot of the research is moving from the backbone network to the metropolitan network, and then to the access network. Much attention has been paid on reducing the cost in these networks. One approach is to adopt Ethernet passive optical network (EPON) architectures in a... | eng_Latn | 10,230 |
Monochromator Stabilization System at SPring‐8 | A monochromator stabilization system with a semi‐automatic tuning procedure has been developed. The system comprises an X‐ray beam position/intensity monitor, a control electronics unit, a computer program that operates on a personal computer or workstation, a piezo translator attached to the first crystal of a double ... | The collective yrast band of the nucleus $^{48}$Cr is studied using the spherical shell model and the HFB method. Both approaches produce basically the same axially symmetric intrinsic state up to the - accurately reproduced - observed backbending. Agreement between both calculations extends to most observables. The on... | ind_Latn | 10,231 |
Electron Beam Trajectory in a Photometer Field of View. | Abstract : Theoretical calculations on the trajectory of an electron beam of kilovolt energy range in an ionospheric environment have been performed. By means of a succession of orthogonal transformations, the trajectory and luminosity as observed at a photometer with a given angular field of view are obtained. For the... | We investigate the utility of correlations between e-test and probe test measurements in predicting yield. Specifically, we first examine whether statistical methods can accurately predict parametric probe test yield as a function of e-test measurements within the same fab. Then, we investigate whether the e-test profi... | eng_Latn | 10,232 |
A Comment on the High-energy Photofission of Uranium | The peak-to-valley ratio in the bremsstrahlung induced fission of 238U has been measured at Emax = 800 MeV. The value obtained, 1.95±0.15, is in good agreement with earlier measurements at this laboratory. Current data on the peak-to-valley ratios at different maximum photon energies are presented and the discrepancies... | Science Foundation Ireland (SFI Grant 07/SRC/I1173: Photonics Integration from Atoms to Systems (PIFAS)) | eng_Latn | 10,233 |
115 GHz Low Noise Cryogenic Receiver for Radioastronomy | This paper describes a cryogenic front-end designed for radioastronomical observations around 115 GHz. The system includes an image-rejection filter, a single ended microstrip mixer, and a 5 GHz IF consisting of a paramp followed by a FET amplifier, all cooled at 20°K and 77°K. The mixer uses state of the art GaAs Pt/A... | Abstract A prototype of a new CsI(Tl) telescope, which will be used in the reaction studies of light isotopes with energy of several hundred AMeV, was constructed and tested at the Institute of Modern Physics, Chinese Academy of Sciences. The telescope has a multi-layer structure, and the range information was obtained... | eng_Latn | 10,234 |
The PX-AMS system and its applications at CIAE | Abstract The projectile X-ray detection method (PXD) has been set up in the China Institute of Atomic Energy AMS system. Using this method, the half-life of 79Se and 75Se have been measured, the intensity of 64Cu radioactive nuclear beams have been identified, and the upper limit of transition probability of the first ... | Some problems will be encountered when publishing and exploring multimedia CAI course wares developed with Authorware. We propose some methods to overcome the above problems with the examples of the analytical chemistry experiment multimedia CAI courseware. | eng_Latn | 10,235 |
Magnetic Focusing of Electron Beams | Electron trajectories for a pencil beam are studied for both uniform and periodic magnetic fields. General equations are given which apply to shielded and unshielded cathodes and all intermediate cases. The balance conditions which yield minimum ripple solutions are presented as a function of magnetic field. It is show... | Abstract In this paper we present a new correction method of inner filter effects that occurs when measuring fluorescence Excitation–Emission Matrices (EEM) of concentrated solutions. While traditional method requires absorption measurement or sample dilution(s), the Mirrored Cell Approach (MCA) only requires two diffe... | eng_Latn | 10,236 |
Recent Gamma-ray Results from DAMPE | The Dark Matter Particle Explorer (DAMPE) is a space-borne high-energy charged cosmic ray and gamma-ray detector launched on December 17, 2015. After more than three years of operation in space, about 6 billion events are recorded, including 0.2 million photons above GeV energies. In this talk, we introduce some fundam... | Many conventional methods to detect propagation losses in optical waveguides, such as Cut-Back Method and Prism-Sliding Method, are either destructive or inconvenient. Here we demonstrated a new method -- CCD camera photographing method. A CCD camera was used to take digital photographs of the light streak in the waveg... | eng_Latn | 10,237 |
Anomalous small-angle scattering as a way to solve the Babinet principle problem | X-ray absorption spectra (XAS) have been used to determine the absorption edges of atoms present in a sample under study. A series of small-angle X-ray scattering (SAXS) measurements using different monochromatic X-ray beams at different wavelengths near the absorption edges is performed to solve the Babinet principle ... | Abstract : This thesis presents a study of radiation patterns for low-gain antennas installed on aircraft. With the aid of the computer program APATCH, a simulation of the radian on patterns for a given antenna located at various points on an aircraft structure can he evaluated. The program uses a technique referred. t... | eng_Latn | 10,238 |
Microstrip microwave induced plasma on a chip for atomic emission spectral analysis | A stable microstrip microwave plasma (MSP) operated at atmospheric pressure with a power of some 10-20 W and at a gas flow of 0.2-0.8 L/min of argon in a resonant structure produced with the aid of microstructuring technology on a 5/spl times/5 cm/sup 2/ quartz wafer provided with a 0.6-mm diameter plasma channel is de... | In this paper we propose a Gaussian decomposition approach to compute the SPECT imaging system matrix. The flexibility of our method allows the implementation of a wide range of imaging systems. With the system matrix, we predict the variance in reconstructed images using the Fisher information matrix and local block c... | eng_Latn | 10,239 |
An automatic DIMM for Dome A, Antarctica | The seeing at Dome A, Antarctica is expected to be similar to the superb seeing at Dome C, a median of about 0:003. However, there has not been direct night seeing measurement yet, because unattended DIMM (Differential Image Motion Monitor) is hard to be operated automatically over the winter at Dome A. To solve this p... | We study the Radiation-Induced Mismatch Enhancement (RIME) in 65 nm CMOS SRAM block designed for space applications. X-ray and heavy ion irradiation increase the number of non-rewriting cells. | war_Latn | 10,240 |
Queyrat's erythroplasia of the penis treated by beta particle irradiation. | This article describes the construction and use of an yttrium 90 applicator in the treatment of a patient with Queyrat's erythroplasia, or Bowen's disease, of the glans penis (Blau and Hyman, 1955). H.B., aged 66, was admitted to The London Hospital in May 1966 complaining of a red area on the glans penis for about fou... | To satisfy the requirements of surface and atomic physics study in the field of low energy multiple charge state ion incident experiments, a low energy (10eV∕q–20keV∕q) ion beam platform is under design at IMP. A simple test bench has been set up to test the ion beam deceleration systems. Considering virtues such as st... | eng_Latn | 10,241 |
During the 1990s , the Cornell Electron Storage Ring , located beneath Alumni Field , was the world 's highest-luminosity electron-positron collider . | During the 1990s , the Cornell Electron Storage Ring , beneath Alumni Field , was the world 's highest-luminosity electron-positron collider . | In contrast with the helium nuclei ( alpha particles ) which are positively charged , and therefore repelled by the strong electrical forces in the nuclei of heavy atoms , this new tool in atomic disintegration need not overcome any electric barrier and is capable of penetrating and splitting the nuclei of even the hea... | eng_Latn | 10,242 |
A fun kind of question... In 2008, researchers at the UCLA's Department of Physics and Astronomy found that unrolling of scotch tape in a vacuum caused X-rays to be created. First, energetic electrons were produced and then X-rays. The study stated that 300,000 x-ray photons were produced and that they were bright... | A couple years ago I ran upon a video demonstrating how researchers used x-rays given off by tearing tape off its spindle in hopes to miniaturized and cheapen future x-ray devices. As of late I have been wondering what interactions are causing this. I understood from the video that the electrons are being ejected due ... | Please use UK pre-uni methods only (at least at first). Thank you. | eng_Latn | 10,243 |
How does my lab's Helium-filled cathode ray tube produce a blue-ish glow? In my university's lab, we have typical "e/m apparatus"'s, i.e. a cathode ray tube nested between a Helmholtz coil. Here is the manual for the device we are using. When operating the device, we typically set the acceleration voltage to around $2... | Which cyan colored line is produced in the Thomson e/m apparatus? Related: After reading Lisa Lee’s OP on an electron deflection tube, although she had some misunderstandings on its operation, I still believe that her question is still relevant. If one looks at the Thomson e/m tube filled with helium gas (made by ), ... | How is light emitted by an incandescent lamp I am looking for better understanding of how light is produced in an incadescent lamp. More specifically: how is the kinetic energy of electrons converted to light? Are we dealing with interband transitions or with intraband relaxation involving photons? Is this Bremsstrahl... | eng_Latn | 10,244 |
It is a computer code - program for solving electromagnetic wave propagation | Hope this helps!\ntry digging deeper into this source, or contacting the authors of the article: \nhttp://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PHPAEN000005000012004253000001&idtype=cvips&gifs=yes\n\nWave propagation and absorption simulations for helicon sources\nY. Mouzouris and J. E. Scharer... | Sounds like something to do with a Hewlwtt-Packard DVD drive.\nNevertheless, check the link below.\n\nEDIT: It's a necessary system file for a HP 3900 printer. If you have one of these, don't delete the file. | eng_Latn | 10,245 |
who is discovered x ray | X-radiation (composed of X-rays) is a form of electromagnetic radiation. Most X-rays have a wavelength ranging from 0.01 to 10 nanometers, corresponding to frequencies in the range 30 petahertz to 30 exahertz (3Ã1016 Hz to 3Ã1019 Hz) and energies in the range 100 eV to 100 keV. X-ray wavelengths are shorter than thos... | X rays were discovered in 1895 by W. C. Roentgen, who called them X rays because their nature was at first unknown; they are sometimes also called Roentgen, or Röntgen, rays. X-ray line spectra were used by H. G. J. Moseley in his important work on atomic numbers (1913) and also provided further confirmation of the qu... | eng_Latn | 10,246 |
what is x ray crystallography | X-ray crystallography is a tool used for identifying the atomic and molecular structure of a crystal, in which the crystalline atoms cause a beam of incident X-rays to diffract into many specific directions.-ray crystallography is related to several other methods for determining atomic structures. Similar diffraction p... | X-rays have much shorter wavelength than visible light, which makes it possible to probe structures much smaller than what can be seen using a normal microscope. This can be used in X-ray microscopy to acquire high resolution images, but also in X-ray crystallography to determine the positions of atoms in crystals. | eng_Latn | 10,247 |
what are cathode rays | A beam of cathode rays in a vacuum tube bent into a circle by a magnetic field generated by a Helmholtz coil. Cathode rays are normally invisible; in this tube enough residual gas has been left that the gas atoms glow from fluorescence when struck by the fast moving electrons. Cathode rays (also called an electron beam... | X-rays (often written x-rays or xrays) are a type of electromagnetic (EM) radiation. The term X-ray is shorthand for X-radiation, so named simply because it was an unknown form of radiation when discovered. Its discoverer was Wilhelm Röntgen, which is why X-rays are sometimes called Röntgen rays in other parts of the... | eng_Latn | 10,248 |
Behavior of Slender RC Columns with Inclination | In this paper, the non-linear behaviour of slender reinforced concrete (RC) columns with inclination is investigated. The available studies on inclined columns (not struts) are not sufficient in co... | Abstract A very promising spin physics programme will be soon on the way at the BNL Relativistic Heavy Ion Collider (RHIC). By studying the spin asymmetries for various processes (single photon, single jet and W ± production), we will compare the different predictions obtained using some sets of polarized parton distri... | eng_Latn | 10,249 |
Length Scales of Magnetic Correlations in √e¬μ-Co Nanoparticle Assemblies using Small Angle Neutron Scattering | This article presents experiments on the determination of the length scales of magnetic correlation in e-Co nanoparticle assemblies using SANS (small angle neutron scattering). In this experiment a 0.5 nm neutron beam was passed through a sealed sample containing a dense assembly of the nanoparticles, and the scattered... | The Monte Carlo simulation with CORSIKA is ran to simulate EAS events at the high altitude,make certain the selecting criterion to get EAS events with low first interaction height.The hadronic interaction in the forward region from TeV region can be studied by detecting the EAS core of low first interaction height even... | eng_Latn | 10,250 |
Use of aerogel for imaging Cherenkov counters | Abstract In the past, detectors using silica aerogel as a Cherenkov radiator treated this material as a diffuse source of Cherenkov photons. In this paper we report on measurements made to explore the feasibility of using aerogel for imaging Cherenkov purposes. The results of the measurements are reproduced by a detail... | Abstract Many human operations have created a large population of small orbital debris in near Earth environment. The threat they represent for satellites is a major factor for the preparation of future space missions. Several experiments devoted to the study of this environment, as well as various materials exposed to... | eng_Latn | 10,251 |
A model of quasiperiodic VLF emissions | Abstract A self-consistent quasilinear model of the interaction between VLF emissions and geomagnetic pulsation is set forth. As a result an explicit expression of a modulation frequency dependence can be obtained. | We evaluate the electric quadrupole moments of the ${^1}\!S_0$ and ${^3}\!P_0$ clock states of $^{27}$Al$^+$ and $^{115}$In$^+$. To capture all dominant contributions, our analysis extends through third order of perturbation theory and includes hyperfine coupling of the electrons to both the magnetic dipole and electri... | eng_Latn | 10,252 |
Comparative study of single and double ionization of helium by ion impact | We present three-dimensional angular distributions of the sum momentum vector of electrons emitted in double ionization in 6 MeV p + He collisions for fully determined kinematics. The results are directly compared to corresponding data for single ionization. Qualitative similarities between single and double ionization... | Measurements performed at the Tevatron of both the like-sign dimuon charge asymmetry inBd;s-meson samples and the mixing-induced CP asymmetry inBs! J= depart from their standard model (SM) predictions. This could be an indication for new CP phases in B = 2 transitions, preferentially in Bs{ Bs mixing. The experimental ... | eng_Latn | 10,253 |
Applied physics in the 21st century | Preface Bose-Einstein Condensation in Nonlinear System New Aspects of Relaxation Processes in Cryogenic Solids Induction Transformer Coupled Discharges: Investigation & Application P-Type InGaAs/AlGaAs Quantum Well Structures for Infrared Photodetection A D-3He Spherical Tokamak Reactor with the Plasma Current Ramp-Up ... | With the rapid proliferation of mobile Internet and mobile terminals to increase the coverage of popular smart mobile devices which triggered rapid growth in the number of Internet users, App application covering the game software and other aspects of normal life try to meet people's needs. Based on the above reasons, ... | eng_Latn | 10,254 |
Polarization physics at Brookhaven | The program of polarization physics at Brookhaven National Laboratory is revewed. Experimental details and results of past and present experiments and descriptions and goals of future experiments are presented. Facilities and beams are also described with an emphasis on potential utility for studies of polarization phe... | 4 pages.-- PACS numbers: 05.45.Xt, 87.10.+e.-- ArXiv pre-print: http://arxiv.org/abs/nlin.CD/0512009.-- Final full-text version of the paper available at: http://dx.doi.org/10.1103/PhysRevE.73.055202. | eng_Latn | 10,255 |
Field structure of collapsing wave packets in 3D strong Langmuir turbulence. | A simple model is constructed for the electric fields in the collapsing wave packets found in 3D simulations of driven and damped isotropic strong Langmuir turbulence. This model, based on a spherical-harmonic decomposition of the electrostatic potential, accounts for the distribution of wave-packet shapes observed in ... | Abstract This paper presents investigations of the longitudinal radiative force in an electron bunch moving in an undulator (wiggler). An analytical solution is obtained for a Gaussian longitudinal bunch profile. Radiative interaction of the particles in an intense microbunch induces a correlated energy spread in the e... | eng_Latn | 10,256 |
Energy-angle correlation of electrons accelerated by laser beam in vacuum | The correlation between the outgoing energy and the scattering angle of electrons accelerated by a laser beam in vacuum has been investigated. Essentially, the single-valued function of the correlation, derived from classical electrodynamics Compton scattering for a plane wave, is broadened to a band. It means electron... | A new approach of the relativistic motion of a particle in a central field is presented. It is based on a modified form of the Hamilton function of the particle. This form allows us to extend the Bertrand theorem from the non-relativistic classical mechanics to the relativistic classical mechanics. During the motion of... | eng_Latn | 10,257 |
Accurate 238U neutron capture rate determinations | Abstract Accurate techniques for the measurements of 238U neutron-capture rates in metallic samples using Ge(Li) detector and the 24Am calibration method are described. Uncertainties of ⩽ 1% were achieved by using three different experimental determinations of gamma absorption and sum-coincidence effects. Verification ... | Uncertainties in neutrino interaction cross-sections affect modern long-baseline neutrino oscillation experiments like NOvA. Detailed within is how NOvA handles these uncertainties, especially for 2p2h interactions, how the effects of these cross-section uncertainties are quantified, and how NOvA’s cross-section simula... | eng_Latn | 10,258 |
Rarefaction velocities in shocked lead | By use of the optical analyzer technique, the bulk sound velocity in shocked lead has been measured at nine points along its Hugoniot in the pressure range 54.5 to 380 GPa. The lowest-pressure points exhibit no sign of solid behavior. The bulk sound velocity is essentially linear with respect to density, and the Grunei... | We argue that in the measured $p_T$ domain of RHIC, collisional rather than the radiative energy loss is the dominant mechanism for jet quenching. Accordingly we calculate nuclear suppression factor for light hadrons by taking only the elastic energy loss in sharp contrast with the previous calculations where only the ... | eng_Latn | 10,259 |
Excitations in the electron liquid | Starting from Mori’s formalism, an expression for the dynamical structure factor for the electron liquid is derived. The memory function is calculated such that no phenomenological collision rates have to be introduced. Using simple approximations for some static correlation functions, good agreement with inelastic x-r... | The Extreme Energy Events Project is an experiment for the detection of Extensive Air Showers which exploits the Multigap Resistive Plate Chamber technology. At the moment 40 EEE muon telescopes, distributed all over the Italian territory, are taking data, allowing the relative analysis to produce the first interesting... | eng_Latn | 10,260 |
A new electro-produced pulsed slow positron facility | A new electro-produced pulsed slow positron facility is now in operation at the Institute for Storage Ring Facilities at Aarhus (ISA). Around 30,000 positrons/pulse are routinely produced at a frequency of 12 Hz. With the use of a buncher a pulse length of around 10 ns has been obtained. A program of positron trapping ... | We present an asymptotic form of the Boussinesq equations in the limit of small P ´ eclet numbers i.e. when the time scale of motions is much larger than the time scale of ther- mal diffusion. We find that, in this limit, the effects of thermal diffusion and stable stratification combine in a single physical process. T... | eng_Latn | 10,261 |
The KATRIN Pre-Spectrometer at reduced Filter Energy | The KArlsruhe TRItium Neutrino experiment, KATRIN, will determine the mass of the electron neutrino with a sensitivity of 0.2 eV (90% C.L.) via a measurement of the beta-spectrum of gaseous tritium near its endpoint of E_0 =18.57 keV. An ultra-low background of about b = 10 mHz is among the requirements to reach this s... | This study investigates the effects of Pierson-Moskowitz, Jonswap spectrum that are typical irregular wave spectrums for wind turbine system with jacket support structure. Also various offshore environmental parameters based on korean local condition were used in our study. The loads acting on the system was considered... | eng_Latn | 10,262 |
Results from the NA36 on Strangeness Production in 200 GeV/c per Nucleon S + Pb and p + Pb Reactions | Recent results from CERN experiment NA36 are discussed and compared with models. These results refer to reactions of sulfur and protons of momentum 200 GeV/c per nucleon on a lead target. The [Lambda] spectrum for the sulfur beam was found to peak at mid-rapidity rather than target rapidity as observed in the proton in... | A hydrodynamic investigation of three geometries of string pellet reactors filled with spheres was conducted. Two geometries were circular spiral channels, while the third was a straight horizontal square channel. Stimulus-response experiments provided data for residence time distribution analysis from which Pe numbers... | eng_Latn | 10,263 |
Thermal Detection of Dark Matter | Bolometers operating at low temperature are discussed as detectors of heavy particles which have been recently considered as constituents of Cosmic Dark Matter. The study of the heat leak in a cascade refrigerator operating underground is suggested for the indirect detection of Weak Interacting Massive Particles. | We have investigated the effects of carrier diffusion on the impulse response of a resonant-cavity enhanced photodetector using our analytic expression for a short-circuit current. Our theoretical results indicate that diffusion introduces a significant tail in the temporal response of photodetectors. We show that the ... | eng_Latn | 10,264 |
Effects of accelerated crucible rotation on segregation and interface morphology for vertical Bridgman crystal growth: Visualization and simulation | Abstract The effects of accelerated crucible rotation technique (ACRT) on the segregation, interface shape, and morphological instability during vertical Bridgman (VB) crystal growth of succinonitrile (SCN) containing 0.064 wt% acetone were investigated by visualization experiments and computer simulation. It was found... | Abstract A very promising spin physics programme will be soon on the way at the BNL Relativistic Heavy Ion Collider (RHIC). By studying the spin asymmetries for various processes (single photon, single jet and W ± production), we will compare the different predictions obtained using some sets of polarized parton distri... | eng_Latn | 10,265 |
Wave mixing and beam profile control in a photorefractive waveguide | Photorefractive wave mixing in a waveguide geometry with nonguided external pumps has been studied experimentally and theoretically. Guided beam amplification has been obtained in an iron-doped lithium niobate waveguide. Additionally, photorefractive grating couplers that allow the transverse profile of the decoupled g... | Abstract A very promising spin physics programme will be soon on the way at the BNL Relativistic Heavy Ion Collider (RHIC). By studying the spin asymmetries for various processes (single photon, single jet and W ± production), we will compare the different predictions obtained using some sets of polarized parton distri... | eng_Latn | 10,266 |
Introduction To Radioanalytical Physics | Thank you very much for downloading introduction to radioanalytical physics. Maybe you have knowledge that, people have search hundreds times for their chosen novels like this introduction to radioanalytical physics, but end up in harmful downloads. Rather than reading a good book with a cup of tea in the afternoon, in... | We argue that in the measured $p_T$ domain of RHIC, collisional rather than the radiative energy loss is the dominant mechanism for jet quenching. Accordingly we calculate nuclear suppression factor for light hadrons by taking only the elastic energy loss in sharp contrast with the previous calculations where only the ... | yue_Hant | 10,267 |
Circular-viewing rainbow holography | Completely differ to common plate rainbow holography, a circular-viewing rainbow holography which is viewed in the direction approximately parallel to the holographic plate is elaborated. The viewing-angle of this rainbow hologram made by this technique is 360°. The experimental result and its analysis are presented. | Abstract A very promising spin physics programme will be soon on the way at the BNL Relativistic Heavy Ion Collider (RHIC). By studying the spin asymmetries for various processes (single photon, single jet and W ± production), we will compare the different predictions obtained using some sets of polarized parton distri... | eng_Latn | 10,268 |
Pressure Broadening of UV Lines | Most of the lines in the UV spectra are lines of ions which are formed in high temperature regions where the pressure broadening is caused by electrons and protons. This is the case in O and B type stars for which the theoretical calculation of the width of all the strong UV lines is important in determining both the b... | We apply a polarization Wigner formalism to the propagation of polarization in a Young interferometer within paraxial approximation. With a very simple ray picture, we obtain complete and rigorous information about polarization evolution via the superposition of the spatial-angular Stokes parameters associated with thr... | eng_Latn | 10,269 |
Fourier spectroscopy study of Josephson junction own radiation | The frequency characteristics of Josephson own radiation have been studied by means of Fourier spectroscopy. The FIR measurements were performed with the help of Fourier spectrometer coupled with the Nb Josephson junction. The main feature of this technique is that one Josephson junction operates as both generator and ... | Abstract We present a convenient analytical parametrization, in both configuration and momentum spaces, of the deuteron wave-function calculated with the Paris potential. | eng_Latn | 10,270 |
Inelastic diffraction and equivalence of states | Abstract A new approach to diffraction, based on the concept of equivalent states, is applied to the inclusive inelastic scattering. Differences from the classical description of Good and Walker are pointed out. | We argue that in the measured $p_T$ domain of RHIC, collisional rather than the radiative energy loss is the dominant mechanism for jet quenching. Accordingly we calculate nuclear suppression factor for light hadrons by taking only the elastic energy loss in sharp contrast with the previous calculations where only the ... | eng_Latn | 10,271 |
Scientists report back from Fukushima exclusion zone | Survey provides accurate data on extent of damage caused by killer wave. | Starting from 2.5D MHD modelling of solar flares on a global scale we calculate (using the PIC and test-particle simulations) the radio and X-ray emissions generated in solar flare reconnection. Our results – the radio and X-ray spectra and brightness distributions, and their dynamics – are directly comparable with obs... | eng_Latn | 10,272 |
Beam intensity and brightness in H[sup [minus]] and D[sup [minus]] hybrid sources: Measurement of basic parameters | The photodetachment technique developed for measuring negative ion density and temperature has been used to study the difference between hydrogen and deuterium operation of the hybrid source. It was found that the negative ion temperature scales linearly with the electron temperature in both hydrogen and deuterium, but... | The $\Lambda\Lambda$-$\Xi N$-$\Sigma\Sigma$ coupling in $^{~6}_{\Lambda\Lambda}$He is studied with the [$\alpha$ + $\Lambda$ + $\Lambda$] + [$\alpha$ + $\Xi$ + $N$] + [$\alpha$ + $\Sigma$ + $\Sigma$] model, where the $\alpha$ particle is assumed as a frozen core. We use the Nijmegen soft-core potentials, NSC97e and NSC... | eng_Latn | 10,273 |
Onboard prestack WEM on WAZ data – A new breakthrough | The past couple of years have seen a tremendous increase in the acquisition of wide azimuth (WAZ) surveys that provide improved subsalt imaging. These surveys can acquire data three times faster than conventional narrow azimuth (NAZ) surveys and at the same time increase the fold of the data by a factor of five. Theref... | The latest results from ATLAS and CMS on single top quark production and rare production channels of top quarks at the LHC are presented. | kor_Hang | 10,274 |
Measurements of solar radiation at Mauna Loa Observatory, 1978-1985, with emphasis on the effects of the eruption of El Chichon. Data report | Results from three different projects that involved either absolute or relative measurement of solar radiation at the NOAA Mauna Loa Observatory are reported. Included are measurements, in summary form, of broadband solar irradiance, spectral aerosol optical depth, and spectral diffuse-sky irradiance. Each data set inc... | The key LHC operating parameters and their impact on potential performance are recalled and a brief summary of the 2010 beam commissioning program is presented. Progress in 2011 has been good and the present performance is discussed. The short and medium term plans and their potential are outlined. | eng_Latn | 10,275 |
The unusual X-ray pulse timing of AE Aquarii | The novalike variable AE Aquarii exhibits emission and absorption lines of which the radial velocities are antiphased by 180° and both describe a circular orbit with a period of 9.88 hr. There is therefore good reason to believe that the emission-line orbit describes the true orbit of the white dwarf. The system also e... | This report provides a detailed presentation and critique of a model used to characterize the surface ground motion following a contained, spalling underground nuclear explosion intended for calculation of the resulting atmospheric acoustic pulse. Some examples of its use are included. Some discussion of the general ap... | eng_Latn | 10,276 |
The nuclear frontier; Cornell's program of basic and applied research | This paper discusses the Program in Nuclear Science and Engineering at Cornell, an interdisciplinary field that encompasses a wide range of research. Some faculty members and graduate students are working on the basic physics of nuclei, plasmas, and atoms, while other are investigating the interaction of radiation with... | Abstract : Experimentation Data Process: *Lockheed Martin experimentation at the Center for Innovation, -Constructive Simulations, -Human-in-the-Loop Simulation; *Two main issues; -Data Extraction/Storage, -Data Manipulation/Reduction; *Early Experimentation (2006 Processes), -Post Run extraction, -Manual reduction/con... | eng_Latn | 10,277 |
Sound Propagation through the Atmosphere | The propagation of sound from an airborne source to the ground has been studied. The source was a propeller type airplane flown at altitudes up to 4800 ft and distances up to 9600 ft. Angles of elevation of the source with respect to the earth's surface were 2°, 5°, 15°, 30°, and 90°. The weather varied to include typi... | In a previous paper [Schmidt et al., Phys. Plasmas 21, 080701 (2014)], we presented the first results on beam–matter interaction experiments that were carried out at the High Radiation Materials test facility at CERN. In these experiments, extended cylindrical targets of solid copper were irradiated with beam of 440 Ge... | eng_Latn | 10,278 |
Crusader explores lithium potential | Crusader Resources Ltd remains focused on developing the Juruena gold project in Brazil despite signing a MoU to explore opportunities in the booming lithium sector elsewhere in the country. | The LHC experiments ATLAS and CMS have measured V+jets and ttbar+jets final states over a large energy range in data collected between 2010 and 2012 at sqrt(s) = 7 TeV and sqrt(s) = 8 TeV. The results have been compared to pQCD calculations at NLO and have been used to validate novel Monte Carlo techniques. | eng_Latn | 10,279 |
Evaluation standard and improvement method for multi-column envelope profile in single screw compressors: | Multi-column envelope profile is the newly proposed engagement pair’s profile for single screw compressors. Based on hydrodynamic lubrication theory, a calculation model of the oil film moments for... | The Monte Carlo simulation with CORSIKA is ran to simulate EAS events at the high altitude,make certain the selecting criterion to get EAS events with low first interaction height.The hadronic interaction in the forward region from TeV region can be studied by detecting the EAS core of low first interaction height even... | eng_Latn | 10,280 |
Simulation study on high energy electron and gamma-ray detection with CALET | High energy electron detection is very important to understand the cosmic ray origin, acceleration, and propagation. Until now only several electrons above 1 TeV have been observed. The CALorimetric Electron Telescope (CALET) will perform a direct measurement of electrons and gamma rays up to 10 TeV. Its advanced desig... | Abstract In this paper, identification of the joint probability dentisity function (PDF) from missing data is considered. The model of PDF is Gaussian mixture. It is well known that the expectation-maximization (EM) algorithm is useful for the identification of Gaussian mixture. Here it is extended to the case of missi... | eng_Latn | 10,281 |
Relativistic two-photon emission: Lifetime of the 2 1S0 state of helium-like Kr34+ | The two-photon (2E1) decay 2 /sup 1/S/sub 0/-1 /sup 1/S/sub 0/ in the heliumlike ion Kr/sup 34 +/ has been observed and the lifetime measured. Departures are measured for the first time from the predictions of the nonrelativistic theory, and are sensitive to relativistic effects on the transition-matrix elements. The m... | 4 pages.-- PACS numbers: 05.45.Xt, 87.10.+e.-- ArXiv pre-print: http://arxiv.org/abs/nlin.CD/0512009.-- Final full-text version of the paper available at: http://dx.doi.org/10.1103/PhysRevE.73.055202. | eng_Latn | 10,282 |
Nuclear structure studies by the scattering of medium-energy electrons: Progress report, September 1, 1986-June 30, 1987 | This paper discusses the experimental electron scattering studies at SLAC and Bates Accelerator Center. Some theoretical work on nucleon-nucleon interactions, electromagnetic interactions, weak interactions and nuclear structure are also discussed. (LSP) | Originally published Microwave Opt Technol Lett 53: 751–757, 2011. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53: 1685, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26162 ::: ::: ::: ::: (Original article DOI 10.1002/mop.25828) | eng_Latn | 10,283 |
Ion‐acoustic waves in a bounded plasma | A systematic study was made of some of the oscillatory phenomena which are found to occur in bounded dc discharge plasmas. The nature of the oscillator patterns was explored over a pressure interval (0.01≤P≤1.5 Torr), a current interval (0.5≤I≤10 mA), and a discharge‐voltage interval (0.8≤V≤3.5 kV) in order to establis... | We discuss some recent phenomenological models for strong interactions based on the idea of gauge/string duality. A very good estimate for hadronic masses can be found by placing an infrared cut off in AdS space. Considering static strings in this geometry one can also reproduce the phenomenological Cornell potential f... | eng_Latn | 10,284 |
Monte Carlo Simulation of Thermionic Low Pressure Discharge Plasma | Nonlinear dynamical behaviors in thermionic low pressure discharge are investigated using a particle-in-cell(PIC) simulation. An electrostatic PIC code is developed to model the plasma discharge system including the kinetic effects. The elastic collision, excitation collision, ionization collision, and electron-ion rec... | The dependence of the differential cross section ${\mathrm{d}\sigma}/{\mathrm{d}p_{\perp}}$ of inclusive heavy quark production in pp and $\bar{\mathrm{p}}$p collisions on the renormalization and factorization scales is investigated. The implications of our results for experiments at TEVATRON and LHC are discussed. In ... | eng_Latn | 10,285 |
Which is the second lightest element in the universe? | Where is Helium Found - Universe Today Universe Today by Tega Jessa [/caption] Helium is the second lightest element in the known universe. It is also the second most abundant. According to some estimates helium accounts for as much as 24 percent of the Universe’s mass. This element is also plentiful since it is a pr... | E. V. Appleton | Article about E. V. Appleton by The Free Dictionary E. V. Appleton | Article about E. V. Appleton by The Free Dictionary http://encyclopedia2.thefreedictionary.com/E.+V.+Appleton (redirected from E. V. Appleton) Also found in: Wikipedia . Appleton, Edward Victor Born Sept. 6, 1892, in Bradford, Yorks... | eng_Latn | 10,286 |
Particle collider edges forward | Physicists take a key decision on the technology to be used in the International Linear Collider, one of the grand scientific projects of the 21st Century. | Call for end to 'death ray myth' A Pentagon science-advisory panel's report on the near-term prospects for American raygun weapons has declared that energy-beam blasters would be pretty handy but difficult to make.⦠| eng_Latn | 10,287 |
Among the several different types of emission nebulae are H II regions , in which star formation is taking place and young , massive stars are the source of the ionizing photons ; and planetary nebulae , in which a dying star has thrown off its outer layers , with the exposed hot core then ionizing them . | Planetary nebulae are made when where a dying star has thrown off its outer layers . | Experimenters use the following elements that are used in beamlines for conditioning the radiation beam between the storage ring and the end station : The combination of beam conditioning devices controls the thermal load ( heating caused by the beam ) at the end station ; the spectrum of radiation incident at the end ... | eng_Latn | 10,288 |
Synchrotron radiation also has a wide range of applications ( see synchrotron light ) and many 2nd and 3rd generation synchrotrons have been built especially to harness it . | However , synchrotron radiation also has a wide range of applications ( see synchrotron light ) and many 2nd and 3rd generation synchrotrons have been built especially to harness it . | D.S. Halacy 's `` Cyborg : evolution of the superman '' in 1965 spoke of a `` new frontier '' that was `` not merely space , but more profoundly the relationship between ` inner space ' to ` outer space ' -- a bridge ... between mind and matter '' . | eng_Latn | 10,289 |
Electrons emitted in this manner can be called `` photoelectrons '' . | The emitted electrons are called photoelectrons . | The following names will be used for named storms that form in East Pacific in 2010 . | eng_Latn | 10,290 |
Sparsely Aggregated Convolutional Networks | Very Deep Convolutional Networks for Large-Scale Image Recognition | Explosive Emission Properties of Cathode Materials in Relativistic Electron Beam Generation | eng_Latn | 10,291 |
A ray that divides a segment it midpoint? | Line that goes through the midmoint of a segment? | Why won't neon argon kryton xeon and radon combine with other elements? | eng_Latn | 10,292 |
I have started studying radioactive decay. When I studied alpha-particle emission from an unstable nucleus I wondered why should there be emission of helium nucleus only(alpha particle) and why not lithium nucleus or of any other element. Is there any explanation as to why emission of helium nucleus is favourable and... | It is said in many textbooks that alpha decay involves emitting alpha particles, which are very stable. Indeed, the binding energy () is higher than for $Z$-neighboring stable isotopes. But the binding energy is lower than, for example, ${}^9\mathrm{Be}$ (). My question is why aren't other nuclear compounds ejected fro... | The new Top-Bar does not show reputation changes from Area 51. | eng_Latn | 10,293 |
This group gained their superpowers after being exposed to cosmic radiation during a space flight | Why radiation can't give you superpowers | PBS NewsHour Aug 10, 2015 ... In Marvel's comic book Fantastic Four, a radiation blast yields ... Typically in comic books, the transition to superhuman power involves exposure to radiation. ... like gamma rays created by solar wind or cosmic rays from other galaxies. .... ju... | Jeopary Questions page 795 - GUILTY PLEASURES - TriviaBistro.com PEN NAMES: (Sarah of the Clue Crew) Appropriately, the name of this kind of pen is from .... ART: (Cheryl of the Clue Crew at Rembrandt's house in Amsterdam) ... Clue Crew at Rembrandt's house in Amsterdam) Rembrandt did much of his work in this studio, ... | eng_Latn | 10,294 |
How do conversion factors compare in "low-field" and "high-field" methods of measuring the gyromagnetic ratio? | A further complication is that the measurement of γ′p involves the measurement of an electric current: this is invariably measured in conventional amperes rather than in SI amperes, so a conversion factor is required. The symbol Γ′p-90 is used for the measured gyromagnetic ratio using conventional electrical units. In ... | From the German point of view, March 1941 saw an improvement. The Luftwaffe flew 4,000 sorties that month, including 12 major and three heavy attacks. The electronic war intensified but the Luftwaffe flew major inland missions only on moonlit nights. Ports were easier to find and made better targets. To confuse the Bri... | eng_Latn | 10,295 |
Difference between electron affinity and electron gain enthalpy? | What are the differences between Electron Affinity and Electron Gain Enthalpy? | Why is the uplink frequency greater than download frequency in satellite communication? | eng_Latn | 10,296 |
How do you find a wavelength emission of an atom in the CRC book? | In the 76th edition it is Chapter 10 of the CRC - "Line Spectra of the Elements". You may need to convert the numbers given to the units you desire. | http://www.cwo.com/~lunarlab/ this is a "moon" site.Too many questions there in your question. | eng_Latn | 10,297 |
How does a electron revolve in Rutherford's model? | Why don't electrons crash into the nuclei they "orbit"? | Bohr's model of an atom doesn't seem to have overcome the drawback of Rutherford's model | eng_Latn | 10,298 |
elements which gives out emission spectrum? | As far as I know, all of them. Emission spectra are caused by electrons absorbing energy and moving to a higher energy orbit or state (in the case of visible light it is a higher orbit) then when the electron goes back down to the lower state that it usually inhabits, it gives off a photon of an energy equal to the ch... | Because the las energy lawyer is complete. The octet rule says that the last energy lawyer must be complete or have 8 electrons to be inreactive. | eng_Latn | 10,299 |
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