text stringlengths 8 1.32M ⌀ |
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A 3.0MeV KOMAC/KTF RFQ Linac
J.M. Han, K.S. Kim, Y.J. Kim, M.Y. Park, Y.S. Cho, B.H. Choi, KAERI, Taejon, Korea
Y.S. Bae, K.Y. Shim, K.H. Kim, I.S. Ko, POSTECH, Pohang, Korea
S.J. Cheon, KAIST, Taejon, Korea
Y. Oguri, TIT, Japan
Abstract
The Radio-Frequency Quadrupole (RFQ) linac that
will accelerate a 20mA proton bea... |
DEVELOPMENT OF THE LOW ENERGY ACCELERATOR FOR KOMAC
B.H. Choi, J.M. Han, Y.S. Cho, K.S. Kim, Y.J. Kim, KAERI, Taejon, Korea
I.S. Ko, Postech, Pohang, Korea
K.S Chung Hanyang Univ, Seoul, Korea
K.H. Chung, Seoul Nat. Univ., Seoul, Korea
Abstract
KAERI (Korea Atomic Energy Research Institute) has
been performing the proj... |
A HIGH-INTENSITY H– LINAC AT CERN BASED ON LEP-2
CAVITIES
M. Vretenar for the SPL Study Group, CERN, Geneva, Switzerland
Abstract
In view of a possible evolution of the CERN
accelerator complex towards higher proton intensities, a
2.2 GeV H- linac with 4 MW beam power has been
designed, for use in connection with an ac... |
arXiv:physics/0008143 18 Aug 2000An ECR hydrogen negative ion source at CEA/Saclay: preliminary results.
R. Gobin*, P -Y. Beauvais, O. Delferrière, R. Ferdinand, F. Harrault, J -M. Lagniel.
Commissariat à l'Energie Atomique, CEA -Saclay, DSM/DAPNIA/SEA
91191 Gif sur Yvette Cedex, France
*e-mail: rjgobin@c... |
arXiv:physics/0008144 18 Aug 2000DESIGN OF THE ESS RFQs AND CHOPPING LINE
R. Duperrier, R. Ferdinand, P. Gros, J-M. Lagniel, N. Pichoff, D. Uriot
CEA-Saclay, DSM-DAPNIA-SEA
Abstract
The chopping line is a critical part of the ESS lin ac in
term of technical realisation of the choppers and
preservation of t... |
arXiv:physics/0008145 18 Aug 2000STATUS REPORT ON THE 5 MeV IPHI RFQ
R. Ferdinand, P-Y. Beauvais, R. Duperrier, A. France, J. Gaiffier,
J-M. Lagniel, M. Painchault, F. Simoens, CEA-Saclay, DSM-DAPNIA-SEA
P. Balleyguier, CEA-Bruyères le Châtel, DAM
Abstract
A 5-MeV RFQ designed for a proton current up to
100... |
Continued Monitoring of the Conditioning of the Fermilab Linac 805 MHz
Cavities*
E. McCrory, T. Kroc, A. Moretti, M. Popovic, Fermilab, Batavia, IL 60510, USA
Abstract
We have reported previously on the conditioning of the
high-gradient accelerating cavities in the Fermilab Linac
[1, 2, 3]. Automated measuremen... |
THE FABRE PROJECT AT TRIESTE
G. D'Auria, C. Rossi - Sincrotrone Trieste.
M. Danailov - Laboratorio Fibre Ottiche-Sincrotrone Trieste.
M. Ferrario - INFN Laboratori Nazionali Frascati.
N. Piovella, L. Serafini - Universita' di Milano and INFN.
Abstract
A program to design a high brilliance electron source
suitable for a... |
arXiv:physics/0008148v1 [physics.acc-ph] 18 Aug 2000DESIGNOF THE7 MEV/U, 217MHZ INJECTORLINACFOR THE
PROPOSED IONBEAM FACILITYFORCANCER THERAPY
ATTHE CLINICINHEIDELBERG
B. Schlitt,GSI, Planckstraße1, D-64291Darmstadt,German y
A. Bechtold,U. Ratzinger, A. Schempp,IAP, Frankfurt amMai n, Germany
Abstract
A dedicated cl... |
*This work is supported by the US DOE under contract no. W -31-109-ENG -38. A REAL -TIME ENERGY M ONITOR SYSTEM FOR TH E IPNS LINAC*
J.C. Dooling, F. R. Brumwell, M.K. Lien, G. E. McMichael, ANL, Argonne, IL 60439, USA
Abstract
Injected beam energy and energy spread are critical
parameters affecting the perf... |
arXiv:physics/0008150 18 Aug 2000OPTICAL TRANSITION RADIATION (OTR) MEASUREMENTS OF AN
INTENSE PULSED ELECTRON BEAM†
C. Vermare, D. C. Moir and G. J. Seitz
LANL, Los Alamos, N.M. 87454, USA
† LA–UR – 00 – 2064Abstract
We present the first time resolved OTR angul... |
/G01/G02/G03/G02/G04/G05/G06/G07/G02/G08/G09/G0A/G05/G0B/G0A/G0C/G0A/G0D/G07/G0C/G0E/G09/G0A/G07/G05/G01/G0F/G04/G0C/G09/G05/G0E/G0A/G0C/G08/G01/G0A/G02/G0B/G0B/G10/G11/G10/G02/G08/G11/G12/G0A
/G02/G03/G0C/G04/G0F/G0C/G09/G10/G05/G08/G0A/G05/G0B/G0A/G13/G14/G14/G15/G16/G02/G03/G0A/G17/G18/G17/G15/G0A/G11/G15/G19/G0C/G0... |
arXiv:physics/0008152 18 Aug 2000RF CAVITIES FOR THE MUON AND NEUTRINO FACTORY
COLLABORATION STUDY *
A. Moretti, N. Holtkamp, T. Jurgens, Z. Qian and V. Wu, FNAL, Batavia, IL 60510, USA
Abstract
A multi-laboratory collaboration is studying the
feasibility of building a muon collider, the first phase of
which maybe a ... |
*This work is supported by the US DOE under contract no. W -31-109-ENG -38. RELIABILITY HISTORY AND IMPROVEMENTS TO THE ANL 50 MEV H-
ACCELERATOR*
L.I. Donley, V.F. Stipp, F. R. Brumwell, G. E. McMichael, ANL, Argonne, IL 60439, USA
Abstract
The H- Accelerator consists of a 750 keV Cockcroft
Walton preaccel... |
arXiv:physics/0008154 18 Aug 2000TESTING AND IMPLEMENTATION PROGRESS ON THE ADVANCED
PHOTON SOURCE (APS) LINEAR ACCELERATOR (LINAC) HIGH -
POWER S-BAND SWITCHING SYSTEM
A.E. Grelick, N. Arnold, S. Berg, D. Dohan, G. Goeppner, Y.W. Kang,
A. Nassiri, S. Pasky, G. Pile, T. Smith, S.J. Stein
Argonne National Lab... |
arXiv:physics/0008155v1 [physics.chem-ph] 18 Aug 2000GRECP/MRD-CI calculations of the spin-orbit splitting in t he
ground state of Tl and of the spectroscopic properties of TlH .
A. V. Titov∗, N. S. Mosyagin
Petersburg Nuclear Physics Institute, Gatchina, St.-Pete rsburg district 188350, RUSSIA
A. B. Alekseyev, R. J.... |
THE DARHT PHASE 2 LINAC*
H. L. Rutkowski, L. L. Reginato, W.L. Waldron, K. P. Chow, M. C. Vella, W. M. Fawley,
Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720
R. Briggs, Science Applications International Corp., 7041 Koll Center Parkway, Suite 260
Pleasanton, CA 94566
S. Nelson, Lawrence Liv... |
arXiv:physics/0008157v1 [physics.acc-ph] 18 Aug 2000OPTIMIZEDWAKEFIELDCOMPUTATIONS USING A NETWORK
MODEL∗
J.-F. Ostiguy,K.-Y. Ng,FNAL, Batavia, IL 60510,USA
Abstract
Duringthe courseof the last decade,travelingwave accel-
eratingstructuresforafutureLinearColliderhavebeenth e
objectofintenseR&Defforts. Animportantprob... |
HIGH POWER OPERATIONS OF LEDA*
L. M. Young, L. J. Rybarcyk, J. D. Schneider, M. E. Schulzea, and H. V. Smith, Los Alamos
National Laboratory, Los Alamos, NM 87544, USA
Abstract
The LEDA RFQ, a 350-MHz continuous wave (CW)
radio-frequency quadrupole (RFQ), successfullyaccelerated a 100-mA CW proton beam from 75 keV to6.... |
arXiv:physics/0008159 18 Aug 2000The Beam Halo Experiment at LEDA
P. L. Colestock, T. Wangler, C. K. Allen, R. L. Sheffield, D. Gilpatrick and the Diagnostics Group,
M. Thuot and the Controls Group, the LEDA Operations Team, Los Alamos National Laboratory,
M. Schulze and A. Harvey, General Atomics, Los Alamos, NM 87... |
arXiv:physics/0008160v1 [physics.chem-ph] 18 Aug 2000Generalized Relativistic Effective Core Potential Method:
Theory and calculations
A. V. Titov∗and N. S. Mosyagin
St.-Petersburg Nuclear Physics Institute,
Gatchina, St.-Petersburg district 188350, RUSSIA
(February 2, 2008)
Abstract
In calculations of heavy-atom mole... |
arXiv:physics/0008161 18 Aug 2000SNS□□SUPERCONDUCTING□□CAVITY□□MODELING
-ITERATIVE□LEARNING□CONTROL
□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□Sung-il□Kwon,□□Yi -Ming□Wang,□□Amy□Regan,□□Tony□□Rohlev,
LANL,□Los□Alamos,□NM87544,□USA
□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□Mark□Prokop,□□Dav e□Thomson,□Honeywell□□FM&T
Abstract
□□... |
Energy Transfer Mechanisms and Equipartitioning in
non-Equilibrium Space -Charge -Dominated Beams
R. A. Kishek , P. G. O’Shea, and M. Reiser,
Institute for Plasma Research, U. Maryland, College Park, MD 20742, USA
ramiak@ebte.umd.edu Abstract
A pro... |
arXiv:physics/0008163 18 Aug 2000ANALYSIS AND SYNTHESIS OF THE SNS SUPERCONDUCTING R F
CONTROL SYSTEM
Y.M. Wang, S.I. Kwon, and A.H. Regan, LANL, Los Ala mos, NM 87545, USA
Abstract
The RF system for the SNS superconducting linac
consists of a superconducting cavity, a klystron, a nd a
low-level RF (LLRF) control sys... |
arXiv:physics/0008164v1 [physics.chem-ph] 18 Aug 2000SUBMITTED TO BRIAN HEAD SPECIAL ISSUE OF JPC
Electronic coherence in mixed-valence systems:
Spectral analysis
Younjoon Jung, Robert J. Silbey, and Jianshu Cao∗
Department of Chemistry, Massachusetts Institute of Techn ology
Cambridge, MA 01239
(January 5, 2014)
Abs... |
Faraday Cup Measurements of Ions Backstreaming into a
Electron Beam Impinging on a Plasma Plume
G. Guethlein, T. Houck, J. McCarrick, and S. Sampayan, LLNL, Livermore, CA 94550,USA
Abstract
The next generation of radiographic machines based on
induction accelerators is expected to generate multiple,
small diameter x-ra... |
arXiv:physics/0008166 18 Aug 2000OVERVIEW OF THE HEAVY ION FUSION PROGRAM*
C.M. Celata, Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
for the U.S. Virtual National Laboratory for Heavy Ion Fusion
* This work supported by the Office of E... |
arXiv:physics/0008167v1 [physics.acc-ph] 19 Aug 2000DIPOLEMODE DETUNING INTHENLCINJECTORLINACS∗
K.L.F. Bane, Z. Li,SLAC, Stanford University,Stanford, CA 94309,U.S.A.
1 INTRODUCTION
A major consideration in the design of the accelerator
structures in the injector linacs of the JLC/NLC[1] is to
keep the wakefield effec... |
COLLECTIVE ACCELERATION OF IONS BY MEANS OF
PLASMOIDS IN RF WELLS OF FREQUENCY-MODULATED LASER
FIELD.
A.I. Dzergatch and S.V. Vinogradov
Moscow Radiotechnical Institute, 113519 Moscow, Russia
1. INTRODUCTION
The proposed linear accelerator ("scanator") consists
of a terawatt table-top laser and a set of passive
element... |
ANALYSIS OF THERMALLY INDUCED FREQUENCY SHIFT FOR THE
SPALLATION NEUTRON SOURCE RFQ*
S. Virostek, J. Staples,
LBNL, Berkeley, CA 94720, USA
* This work is supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of ... |
STATUS REPORT ON THE LOW-ENERGY DEMONSTRATION
ACCELERATOR (LEDA)*
H. Vernon Smith, Jr. and J. D. Schneider,
Los Alamos National Laboratory, Los Alamos, NM 87545, USA
Abstract
The 75-keV injector and 6.7-MeV RFQ that comprise
the first portion of the cw, 100-mA proton linac for theaccelerator production of tritium (APT... |
arXiv:physics/0008171 19 Aug 2000SLAC Linac RF Performance for LCLS*
R. Akre, V. Bharadwaj, P. Emma, P. Krejcik, SLAC, Stanford, CA 94025, USA
* Supported by the U.S. Department of Energy, contra ct DE-AC03-76SF00515: LINAC2000 THC11: SLAC-PUB-857 4
† Through... |
arXiv:physics/0008172v1 [physics.acc-ph] 19 Aug 2000JLCPROGRESS
N.Toge, KEK,Tsukuba,Ibaraki 305-0801,Japan
Abstract
TheJLCisa linearcolliderprojectpursuedinJapanbyre-
searchers centered around KEK. The R&D status for the
JLC project is presented, with emphasis on recent results
from ATF concerning studies of producti... |
OBSERVATION OF A H- BEAM ION INSTABILITY
Milorad Popovic and Todd Sullivan
Fermi National Accelerator Laboratory1
Batavia, IL 60510, USA
1 This work is supported by U.S. Dept. Of Energy through the University Research Association under contract DE-AC35-... |
2GeV SUPERCONDUCTING MUON LINAC
Milorad Popovic
Fermi National Accelerator Laboratory 1
Batavia, IL 60510, USA
1This work is supported by the U.S. Dept. of Energy through the Univ. Research Association under contract DE-AC35-89ER40486 Abstract
A m... |
BEAM ENERGY STABILIZATION OF THE KEK 40MEV PROTON LINAC
Z.Igarashi, K.Nanmo, T.Takenaka and E.Takasaki
High Energy Accelerator Research Organization, KEK
Oho1-1, Tsukuba, Ibaraki, 305-0801, Japan
Abstract
The new method to stabilize the beam energy of the
KEK 40MeV proton linac, is developed now. In this meth... |
High Current Proton Tests of the Fermilab Linac
M. Popovic, L. Allen, A. Moretti, E. McCrory, C.W. Schmidt and T. Sullivan
Fermi National Accelerator Laboratory1
Batavia, Illinois, USA
1 This work is supported by U.S. Dept. Of Energy through the Universi... |
arXiv:physics/0008177v1 [physics.acc-ph] 20 Aug 20002DSIMULATIONOF HIGH-EFFICIENCYCROSS-FIELD RF POWER
SOURCES∗
Valery A. Dolgashev,SamiG. Tantawi†,SLAC, Stanford, CA 94309,USA
1 INTRODUCTION
In a cross field device[1] such as magnetron or cross field
amplifier electrons move in crossed magnetic and electric
fields. Due ... |
F. Naito, K. Yoshino, C. Kubota, T. Kato, Y. Saito, E. Takasaki, Y. Yamazaki, KEK,
1-1 Oho, Tsukuba-shi, Ibaraki-ken,305-0801 Japan
S. Kobayashi, K. Sekikawa, M. Shibusawa, Saitama University
Shimo-Okubo, Urawa, 338-8570 Japan
Z. Kabeya, K. Tajiri, T. Kawasumi, Mitsubishi Heavy Industry
10 Oye-cho, Minato-ku, Nagoya, 4... |
30
233548
Ø 3.3
685.3
5.5
3.53.3
7.5An electroformed layer.[mm]
( thickness: 1.0 mm ) 50.8
DEVELOPMENT OF A DTL QUADRUPOLE MAGNET WITH A NEW
ELECTROFORMED HOLLOW COIL FOR THE JAERI/KEK JOINT PROJECT
K. Yoshino, E. Takasaki, F, Naito, T. Kato, Y. Yamazaki, KEK,
1-1 Oho, Tsukuba-shi, Ibaraki-ken, 305-0801, Japan
K. Tajir... |
DEVELOPMENT OF SUPER CONDUCTING LINAC
FOR THE KEK/JAERI JO INT PROJECT
M.Mizumoto, N.Ouchi, J.Kusano, E.Chishiro, K.Hasegawa, N.Akaoka, JAERI, Tokai, Japan
K.Saito, S.Noguchi, E.Kako, H.Inoue, T.Shishido, M.Ono, KEK, Tsukuba, Japan
K.Mukugi, C.Tsukishima, MELCO, Kobe, Japan
O.Takeda, Toshiba Corporation, Ka... |
STUDY OF NONLINEARIT IES AND SMALL PARTIC LE LOSSES
IN HIGH POWER LINAC
A. Kolomiets, S. Yaramishev, ITEP, Moscow, Russia
Abstract
The conception of High Power Linac developed in
Russian accelerator centres is based on the use of
independently phased SC r esonators with quadrupole
lenses between them. Th... |
arXiv:physics/0008182 19 Aug 2000Control System for the LEDA 6.7-MeV Proton Beam Hal o Experiment1
L. A. Day, M. Pieck, D. Barr, K. U. Kasemir, B. A. Quintana, G. A. Salazar, M. W. Stettler
Los Alamos, Los Alamos National Laboratory, NM 87545, USA
1 This work... |
arXiv:physics/0008183 19 Aug 2000MULTIPLE-CHARGE BEAM DYNAMICS IN AN ION LINAC
P.N. Ostroumov, J.A. Nolen, K.W. Shepard
Physics Division, Argonne National Laboratory,
9700 S. Cass Avenue, Argonne, IL, 60439
Abstract
There is demand for the construction of a medium-
energy ion linear accelerator based on s... |
arXiv:physics/0008184 19 Aug 2000HEAVY-ION BEAM ACCELERATION OF TWO-CHARGE STATES FROM
AN ECR ION SOURCE
P.N. Ostroumov, K.W. Shepard, Physics Division, ANL, 9700 S. Cass Av., Argonne, IL, 60439
V.N. Aseev, Institute for Nuclear Research, Moscow 117312, Russia
A.A. Kolomiets, Institute of Theoretical and E... |
arXiv:physics/0008185 19 Aug 2000MULTIPLE CHARGE STATE BEAM ACCELERATION AT ATLAS
P.N. Ostroumov, R.C. Pardo, G.P. Zinkann, K.W. Shepard, J.A. Nolen, Physics Division, ANL,
9700 S. Cass Avenue, Argonne, IL60439, USA
Abstract
A test of the acceleration of multiple charge-state
uranium beams was performed at t... |
arXiv:physics/0008186v1 [physics.acc-ph] 19 Aug 2000Determining Phase-Space Properties of the LEDARFQ Output B eam∗
W.P. Lysenko,J.D.Gilpatrick,L.J.Rybarcyk, J.D.Schneid er, H.V. Smith,Jr.,and L.M.Young,
LANL,Los Alamos,NM 87545,USA
M.E.Schulze, General Atomics,LosAlamos,NM 87544,USA
Abstract
Quadrupolescanswereusedt... |
arXiv:physics/0008187 19 Aug 2000CONCEPT OF STAGED APPROACH
FOR INTERNATIONAL FUSION MATERIALS IRRADIATION FACI LITY
M. Sugimoto, M. Kinsho, H. Takeuchi, JAERI, Tokai, Ibaraki, Japan
Abstract
The intense neutron source for development of fusio n
materials planned by international collaboration ma kes a
new... |
This work performed under the auspices of the U.S. Department of Energy by University of California Lawrence
Livermore National Laboratory under contract No. W-7405-Eng-48.INDUCTIVE-ADDER KICKER MODULATOR FOR DARHT-2
E. G. Cook, B.S. Lee, S.A. Hawkins, F.V. Allen, B.C. Hickman, H.C. Kirbie
Lawrence Livermore National L... |
This work performed under the auspices of the U.S. Department of Energy by University of California Lawrence
Livermore National Laboratory under contract No. W-7405-Eng-48.REVIEW OF SOLID-STATE MODULATORS
E. G. Cook, Lawrence Livermore National Laboratory, USA
Abstract
Solid-state modulators for pulsed power applicatio... |
arXiv:physics/0008190v1 [physics.acc-ph] 20 Aug 2000ANALYSIS AND SIMULATIONOF
THE ENHANCEMENT OF THECSR EFFECTS
R. Li, JeffersonLab, 12000JeffersonAve.,NewportNews,VA 23606,USA
Abstract
Recent measurements of the coherent synchrotron radia-
tion (CSR) effects indicated that the observed beam emit-
tance growth and en... |
arXiv:physics/0008191v1 [physics.acc-ph] 19 Aug 2000Ground MotionStudies andModeling for the InteractionRegi on
of aLinear Collider∗
A.Seryi, M.Breidenbach, J. Frisch
StanfordLinear AcceleratorCenter, StanfordUniversity, Stanford,California94309USA
Abstract
Groundmotionmaybealimitingfactorintheperformance
offuturelin... |
arXiv:physics/0008192v1 [physics.acc-ph] 19 Aug 2000Ground MotionModelofthe SLAC Site∗
AndreiSeryi, TorRaubenheimer
StanfordLinear AcceleratorCenter, StanfordUniversity, Stanford,California94309USA
Abstract
WepresentagroundmotionmodelfortheSLACsite. This
modelisbasedonrecentgroundmotionstudiesperformed
at SLAC as wel... |
arXiv:physics/0008193v1 [physics.acc-ph] 19 Aug 2000Simulation Studies ofthe NLCwithImprovedGround MotionMo dels∗
A. Seryi, L. Hendrickson,P. Raimondi,T.Raubenheimer, P. T enenbaum
StanfordLinear AcceleratorCenter, StanfordUniversity, Stanford,California94309USA
Abstract
The performance of various systems of the Next... |
MEASUREMENT AND CORRECTION OF CROSS-PLANE COUPLING IN
TRANSPORT LINES*
M. Woodley, P. Emma, SLAC, Stanford, CA 94309, USA
* Work supported by the U.S. Department of Energy under Contract DE-AC02-76SF00515. Abstract
In future linear colliders the lumino... |
arXiv:physics/0008195v1 [physics.acc-ph] 20 Aug 2000Investigationsof SlowMotionsof the SLAC Linac Tunnel∗
Andrei Seryi
StanfordLinear AcceleratorCenter, StanfordUniversity, Stanford,California94309USA
Abstract
Investigations of slow transverse motion of the linac tun-
nel of the Stanford Linear Collider have been per... |
arXiv:physics/0008196v1 [physics.acc-ph] 20 Aug 2000ASECOND-ORDER STOCHASTICLEAP-FROG ALGORITHMFOR
LANGEVINSIMULATION∗
JiQiang and SalmanHabib, LANL,LosAlamos,NM 87545,USA
Abstract
Langevinsimulationprovidesaneffectivewaytostudycol-
lisional effects in beams by reducing the six-dimensional
Fokker-Planck equation to a... |
RF PROCESSING OF X-BAND ACCELERATOR STRUCTURES
AT THE NLCTA*
C. Adolphsen, W. Baumgartner, K. Jobe, R. Loewen, D. McCormick,
M. Ross, T. Smith, J.W. Wang, SLAC, Stanford, CA 94309 USA
T. Higo, KEK, Tskuba, Ibaraki, Japan
Abstract
During the initial phase of operation, the linacs of the
Next Linear Collid... |
FABRICATION AND TOLERANCE ISSUES AND THEIR INFLUENCE ON
MULTI-BUNCH BBU AND EMITTANCE DILUTION IN THE
CONSTRUCTION OF X-BAND RDDS LINACS FOR THE NLC1
R.M. Jones, R.H. Miller, T.O. Raubenheimer, and G.V. Stupakov; SLAC, Stanford, CA, USA
_____________
1 Supported under U.S. DOE contract DE-AC03-76SF00515.Abstract
The ma... |
PULSED SC PROTON LINAC
N. Ouchi, E. Chishiro, JAERI, Tokai, Japan
C. Tsukishima, K. Mukugi, MELCO, Kobe, Japan
Abstract
The superconducting (SC) proton linac is proposed in
the JAERI/KEK Joint Project for a high-intensity protonaccelerator in the energy region from 400 to 600 MeV.Highly stable fields in the SC cavities... |
null |
arXiv:physics/0008201v1 [physics.acc-ph] 20 Aug 2000APPLICATIONS OF TIME DOMAIN SIMULATION TO COUPLER
DESIGN FOR PERIODIC STRUCTURES∗
N. M. Kroll1,2, C.-K. Ng1and D. C. Vier2
1Stanford Linear Accelerator Center, Stanford University, Stanford, CA 94309, USA
2University of California, San Diego, La Jolla, CA 92093, USA... |
AN INVESTIGATION OF OPTIMISED FREQUENCY DISTRIBUTIONS
FOR DAMPING WAKEFIELDS IN X-BAND LINACS FOR THE NLC
R.M. Jones1, SLAC; N.M. Kroll2, UCSD & SLAC; R.H. Miller1,
T.O. Raubenheimer1 and G.V. Stupakov1; SLAC
_____________
1 Supported under U.S. DOE contract DE-AC03-76SF00515
2 Supported under U.S. DOE grant DE-FG03-9... |
COMPARISONS OF EQUIVALENT CIRCUIT PREDICTIONS WITH
MEASUREMENTS FOR SHORT STACKS OF RDDS1 DISCS, AND THEIR
POTENTIAL APPLICATION TO IMPROVED WAKEFIELD PREDICTION
R.M. Jones1, SLAC; T. Higo, Y. Higashi, N. Toge, KEK;
N.M. Kroll2, SLAC & UCSD; R.J. Loewen1, R.H. Miller1, and J.W. Wang1; SLAC
_____... |
New Development in RF Pulse Compression
Sami G. Tantawi*, SLAC, Menlo Park, CA94025, USA
Abstract
Several pulse compression systems have been proposed
for future linear colliders. Most of these systems requirehundreds of kilometers of low-loss waveguide runs. Toreduce the waveguide length and improve the efficiencyof... |
arXiv:physics/0008205v1 [physics.acc-ph] 20 Aug 2000IMPEDANCE OF ABEAMTUBE WITHSMALL CORRUGATIONS∗
K.L.F. Bane, G. Stupakov,SLAC, Stanford University,Stanf ord, CA 94309,U.S.A.
1 INTRODUCTION
In accelerators with very short bunches, such as is envi-
sioned in the undulatorregionofthe Linac CoherentLight
Source (LCLS)... |
arXiv:physics/0008206v1 [physics.acc-ph] 21 Aug 2000COMPRESSION OF HIGH-CHARGE ELECTRONBUNCHES∗
M. J.Fitch, A. C. Melissinos;UniversityofRochester, Roch esterNY 14627,USA
N.Barov, J.-P. Carneiro, H. T.Edwards, W.H. Hartung;FNAL, BataviaIL 60510,USA
Abstract
TheAØPhotoinjectoratFermilabcanproducehighcharge
(10-14 nC) ... |
arXiv:physics/0008207v1 [physics.acc-ph] 21 Aug 2000ELECTRO-OPTICSAMPLING OFTRANSIENT FIELDSFROM THE
PASSAGE OF HIGH-CHARGEELECTRON BUNCHES∗
M.J. Fitch,A. C. Melissinos,UniversityofRochester, Roch esterNY 14627,USA
P. L. Colestock,J.-P. Carneiro, H.T. Edwards,W. H.Hartung , FNAL,BataviaIL 60510,USA
Abstract
When a re... |
arXiv:physics/0008208 21 Aug 2000Efficient Design Scheme of Superconducting Cavity
Sang-ho Kim, Marc Doleans, SNS/ORNL, USA
Yoon Kang, APS/ANL, USA
Abstract
For many next-generation high intensity proton
accelerator applications including the Spallation N eutron
Source (SNS), superconducting (SC) RF provides the
tech... |
STRUCTURAL ANALYSIS OF
SUPERCONDUCTING ACCELERATOR CAVITIES *
D. Schrage, LANL, Los Alamos, N.M., USA
* Work sponsored by he Japan Atomic Energy Research Institute
under contract DE-FI04-91AL73477-A012Abstract
The static and dynamic structural behavior of
su... |
CW PERFORMANCE OF THE TRIUMF 8 METER LONG RFQ FOR EXOTIC
IONS
R. L. Poirier, R. Baartman, P. Bricault, K. Fong, S. Koscielniak, R. Laxdal, A. K. Mitra, L. Root, G.
Stanford, D. Pearce, TRIUMF, Vancouver, B. C. Canada
Abstract
The ISAC 35 MHz RFQ is designed to accelerate ions of
A/q up to 30 from 2keV/u to 150keV/u in ... |
LOCAL AND FUNDAMENTAL MODE COUPLER DAMPING OF THE
TRANSVERSE WAKEFIELD IN THE RDDS1 LINACS
R.M. Jones1; SLAC, N.M. Kroll2; UCSD & SLAC, R.H. Miller1, C.-K. Ng1 and J.W. Wang1; SLAC
_____________
1Supported under U.S. DOE contractDE-AC03-76SF00515.
2Supported under U.S. DOE grant DE-FG03-93ER407.Abstract
In damping the ... |
AN OVERVIEW OF THE
SPALLATION NEUTRON SOURCE PROJECT
Robert L. Kustom, SNS/ORNL, Oak Ridge, TN
Abstract
The Spallation Neutron Source (SNS) is being designed,
constructed, installed, and commissioned by the staff of
six national laboratories, Argonne National Laboratory,
Brookhaven National Laboratory, Jefferson Nation... |
DESIGN OF 11.8 MHZ BUNCHER FOR ISAC AT TRIUMF
A.K. MITRA, R.L. POIRIER, R.E. LAXDAL, TRIUMF
Abstract
The high energy beam transport (HEBT) line for the
ISAC radioactive beam facility at TRIUMF requires an
11.8 MHz buncher. The main requirements of the buncher
are to operate in cw mode with a velocity acceptance of2.2% ... |
arXiv:physics/0008214v1 [physics.ins-det] 23 Aug 2000Predictions about the behaviour of diamond,
silicon, SiC and some AIIIBVsemiconductor
materials in hadron fields
I.Lazanuaand S. Lazanub
aUniversity of Bucharest, Faculty of Physics, P.O.Box MG-11 ,
Bucharest-Magurele, Romania, electronic address: ilaz@s cut.fizica.u... |
arXiv:physics/0008215v1 [physics.atom-ph] 23 Aug 2000Laser spectroscopy of simple atoms and
precision tests of bound state QED
Savely G. Karshenboim1
D.I. Mendeleev Institute for Metrology, 198005 St. Petersb urg, Russia
Max-Planck-Institut f¨ ur Quantenoptik, 85748 Garching, G ermany2
Abstract. We present a brief ov... |
arXiv:physics/0008216v1 [physics.acc-ph] 23 Aug 2000NEW METHODOF DISPERSION CORRECTIONINTHEPEP-IILOW
ENERGYRING∗
I.Reichel, Y. Cai, SLAC, Stanford, California
SLAC-PUB- physics/0008216
Abstract
The sextupole magnets in the Low Energy Ring (LER) of
PEP-IIaregroupedinpairswithaphaseadvanceof180de-
grees. Displacing the... |
arXiv:physics/0008217v1 [physics.acc-ph] 23 Aug 2000SNS FRONT ENDDIAGNOSTICS∗
L.Doolittle,T.Goulding,D. Oshatz,A. Ratti, J.Staples,
E. O.Lawrence Berkeley NationalLaboratory,Berkeley,CA 9 4720,USA
Abstract
TheFrontEndoftheSpallationNeutronSource(SNS)ex-
tends from the Ion Source (IS), through a 65keV LEBT, a
402.5MHz... |
arXiv:physics/0008218v1 [physics.acc-ph] 23 Aug 2000HIGHPOWERMODELFABRICATIONOF BIPERIODICL-SUPPORT
DISK-AND-WASHERSTRUCTURE
H. Ao∗, Y. Iwashita,T.Shirai and A. Noda,
Accelerator Laboratory,NSRF, ICR, KyotoUniv.,
M. Inoue,Research ReactorInstitute,KyotoUniv.,
T.Kawakita,K. Ohkuboand K. Nakanishi,MitsubishiHeavy In du... |
arXiv:physics/0008219v1 [physics.flu-dyn] 24 Aug 2000Integral methods for shallow free-surface
flows with separation
Shinya Watanabe
Dept. of Mathematical Sciences, Ibaraki University, 310-8 512, Mito, Japan
Vachtang Putkaradze
Dept. of Mathematics & Statistics, University of New Mexico , Albuquerque, NM 87131-1141, U... |
arXiv:physics/0008220v1 [physics.optics] 24 Aug 2000Binary Representations of ABCD Matrices
S. Ba¸ skal∗
Department of Physics, Middle East Technical University, 0 6531 Ankara, Turkey
Y. S. Kim†
Department of Physics, University of Maryland, College Par k, Maryland 20742, U.S.A.
Abstract
TheABCD matrix is one of the ... |
arXiv:physics/0008221v1 [physics.chem-ph] 24 Aug 2000Investigations of Amplitude and Phase Excitation Profiles in
Femtosecond Coherence Spectroscopy
Anand T.N. Kumar, Florin Rosca, Allan Widom and Paul M. Champ ion
Department of Physics and Center for Interdisciplinary Res earch on Complex Systems,
Northeastern Univer... |
arXiv:physics/0008222v1 [physics.gen-ph] 24 Aug 2000P-Loop Oscillator on Clifford Manifolds and
Black Hole Entropy
Carlos Castro∗and Alex Granik†
Abstract
A new relativity theory, or more concretely an extended rela tivity
theory, actively developed by one of the authors incorporat ed 3 basic
concepts. They are the ol... |
arXiv:physics/0008223v1 [physics.flu-dyn] 25 Aug 2000New complex variables for equations
of ideal barotropic fluid
A.L. Sorokin
Institute of Thermophysics, 630090 Novosibirsk, Russia
February 2, 2008
Abstract
We propose new construction of dependent variables for equa tions
of an ideal barotropic fluid. This constructi... |
CHALLENGES IN AFFECTING US ATTITUDES
TOWARDS SPACE SCIENCE
Howard A. Smith
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA, 02138 USA
hsmith@cfa.harvard.edu
"[And] though I know that the speculations of a philosopher are far removed from the judgment of the
multitude - for his aim is ... |
1The easiest way to Heaviside ellipsoid
Valery P Dmitriyev
Lomonosov University
P.O.Box 160, Moscow 117574, Russia
e-mail: dmitr@cc.nifhi.ac.ru
Abstract. The electric field of a point charge moving with constant velocity is derived
using the symmetry properties of Maxwell's equations - its Lorentz invariance. In ... |
arXiv:physics/0008226v1 [physics.class-ph] 28 Aug 2000Circular Orbits Inside the Sphere of Death
Kirk T. McDonald
Joseph Henry Laboratories, Princeton University, Princet on, New Jersey 08544
(November 8, 1993)
Abstract
A wheel or sphere rolling without slipping on the inside of a s phere in a uniform grav-
itational... |
arXiv:physics/0008227v1 [physics.class-ph] 28 Aug 2000The Rolling Motion of a Disk on a Horizontal Plane
Kirk T. McDonald
Joseph Henry Laboratories, Princeton University, Princet on, New Jersey 08544
mcdonald@puphep.princeton.edu
(August 9, 2000)
1 Problem
Discuss the motion of a (thin) disk of mass mand radius athat... |
Entropy shows that global
warming should cause
increased variability in the
weather*
by John Michael Williams
P. O. Box 2697,
Redwood City, CA 94064jwill@pacbell.net
Copyright (c) 2000, John Michael Williams
All Rights Reserved
* Posted at the American Physical Society Web site as aps1998nov15_001John Michael Williams ... |
arXiv:physics/0008229 28 Aug 2000
1The birth of special relativity.
"One more essay on the subject".
Jean Reignier*
Université Libre de Bruxelles
and
Vrije Universiteit Brussel.
Introduction.
In the general context of epistemological seminars on the occurrence of rapid
transitions in sciences, I was asked to report o... |
arXiv:physics/0008230v1 [physics.atom-ph] 28 Aug 2000Limit on Lorentz and CPT Violation of the Proton Using a Hydro gen Maser
D. F. Phillips, M. A. Humphrey, E. M. Mattison,
R. E. Stoner, R. F. C. Vessot and R. L. Walsworth
Harvard–Smithsonian Center for Astrophysics, Cambridge, MA 02138
(submitted to Physical Review... |
arXiv:physics/0008231v1 [physics.bio-ph] 28 Aug 2000PURINE-PYRIMIDINE
SYMMETRY, DETERMINATIVE
DEGREE AND DNA
Diana Duplij and Steven Duplij∗†
Kharkov National University, Svoboda Sq. 4,
Kharkov 61077, Ukraine
February 2, 2008
Abstract
Various symmetries connected with purine-pyrimidine cont ent of
DNA sequences are s... |
arXiv:physics/0008232v1 [physics.bio-ph] 29 Aug 2000Minimum Entropy Approach to Word Segmentation Problems
Bin Wang
Institute of Theoretical Physics, Chinese Academy of Scien ces,
P.O. Box 2735, Beijing 100080, P. R. China.
State Key Laboratory of Scientific and Engineering Computin g,
Institute of Computational Mathe... |
arXiv:physics/0008233v1 [physics.ins-det] 29 Aug 2000Fast and Flexible CCD Driver System Using
Fast DAC and FPGA
Emi Miyataa,c, Chikara Natsukaria, Daisuke Akutsua,
Tomoyuki KamazukaaMasaharu Nomachib, and
Masanobu Ozakid
aDepartment of Earth & Space Science, Graduate School of Scie nce, Osaka
University, 1-1 Machika... |
arXiv:physics/0008234v1 [physics.class-ph] 29 Aug 2000ON THE POSSIBILITY OF LOCAL SR CONSTRUCTION
G.A. Kotel’nikov
Russian Research Centre Kurchatov Institute, Moscow 12318 2, Russia
E-mail: kga@electronics.kiae.ru
Abstract
The violation of the invariance of the speed of light in Speci al Relativity has been
made. Th... |
arXiv:physics/0008235v1 [physics.atm-clus] 29 Aug 2000Emergence of Bulk CsCl Structure in (CsCl) nCs+Cluster Ions
Andr´ es Aguado
Departamento de F´ ısica Te´ orica, Universidad de Valladol id, Valladolid 47011, Spain
The emergence of CsCl bulk structure in (CsCl) nCs+cluster ions is investigated using a mixed
quantu... |
arXiv:physics/0008236v1 [physics.flu-dyn] 29 Aug 2000Equilibrium solutions of the shallow water equations
Peter B. Weichman1and Dean M. Petrich2
1Blackhawk Geometrics, 301 Commercial Road, Suite B, Golden , CO 80401
2Condensed Matter Physics 114-36, California Institute of T echnology, Pasadena, CA 91125
(February 2,... |
arXiv:physics/0008237v1 [physics.acc-ph] 30 Aug 2000HIGHERDIPOLEBANDS INTHE NLCACCELERATING STRUCTURE∗
C. Adolphsen,K.L.F. Bane, V.A.Dolgashev,K. Ko,Z.Li, R. Mi ller,SLAC, Stanford, CA 94309,USA
Abstract
We show that scattering matrix calculations for dipole
modes between 23-43 GHz for the 206 cell detuned struc-
tur... |
arXiv:physics/0008238v1 [physics.bio-ph] 30 Aug 2000Digitality Induced Transition in a Small Autocatalytic Syst em
Yuichi Togashi and Kunihiko Kaneko
Department of Basic Science, School of Arts and Sciences, Un iversity of Tokyo,
Komaba, Meguro-ku, Tokyo 153-8902, Japan
September 29, 2013
Abstract
Autocatalytic react... |
arXiv:physics/0008239v1 [physics.chem-ph] 30 Aug 2000Comments on “Effective Core Potentials” [ M. Dolg, Modern
Methods and Algorithms of Quantum Chemistry (Ed. by J.Grotendorst,
John von Neumann Institute for Computing, J¨ ulich, NIC Seri es, Vol.1,
ISBN 3-00-005618-1, pp.479-508, 2000) ].
A. V. Titov∗and N. S. Mosyag... |
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