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THE RF SOURCE OF THE 60-MEV LINAC FOR THE KEK/JAERI JOINT
PROJECT
S.Fukuda, S. Anami, C. Kubota, M. Kawamura, S. Yamaguchi, M. Ono,
H. Nakanishi, KEK, Tsukuba, 305-0035 Japan
S. Miyake, M. Sakamoto, Electron Tube and Device Division , Toshiba, Ohtawara, 324-8550 Japan,
Abstract
The construction of the 60-MeV proton lin... |
HIGH-BRIGHTNESS BEAMS FROM A LIGHT SOURCE INJECTOR:
THE ADVANCED PHOTON SOURCE
LOW-ENERGY UNDULATOR TEST LINE LINAC*
G. Travish, S. Biedron, M. Borland, M. Hahne, K. Harkay, J. W. Lewellen, A. Lumpkin,
S. Milton, N. Sereno, Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439
... |
arXiv:physics/0008042v1 [physics.acc-ph] 12 Aug 2000THEFLAT BEAMEXPERIMENTAT THEFNAL PHOTOINJECTOR
D. Edwards,H. Edwards, N.Holtkamp,S. Nagaitsev,J.Santuc ci, FNAL∗
R. Brinkmann,K.Desler, K. Fl¨ ottmann,DESY-Hamburg
I. Bohnet,DESY-Zeuthen, M.Ferrario, INFN-Frascati
Abstract
Atechniqueforproductionofanelectronbeamwith... |
arXiv:physics/0008043v1 [physics.acc-ph] 13 Aug 2000MULTISCALE ANALYSISOF RMS ENVELOPEDYNAMICS
A. Fedorova,M.Zeitlin,IPME,RAS, St. Petersburg, V.O. Bol shojpr.,61,199178,Russia∗†
Abstract
We present applications of variational – wavelet approach
to different forms of nonlinear (rational) rms envelope
equations. We ha... |
arXiv:physics/0008044 13 Aug 2000
-1.5-1.0-0.50.00.51.01.5
-270 -180 -90 0 90δT0
δT2
Fig.1Approximated sawtooth energy gain function
δT2 and the original function δT0.
Fig. 2 Cross sections of x- and y-vanes. Horizontal and
vertical axes denote z and r/r 0, respectively. Lc/r0=1.5, z2=0,
A=.05, A20=.25. Broken line s... |
arXiv:physics/0008045v1 [physics.acc-ph] 13 Aug 2000MULTIRESOLUTIONREPRESENTATIONFORORBITALDYNAMICS IN
MULTIPOLARFIELDS
A. Fedorova,M.Zeitlin,IPME,RAS, V.O. Bolshojpr.,61,199 178,St. Petersburg, Russia∗†
Abstract
We presentthe applicationsofvariation– wavelet analysis
topolynomial/rationalapproximationsfororbitalmoti... |
arXiv:physics/0008046v1 [physics.acc-ph] 13 Aug 2000NONLINEAR BEAMDYNAMICS AND EFFECTSOF WIGGLERS
A. Fedorova,M. Zeitlin,IPME, RAS, V.O.Bolshojpr.,61,199 178,St. Petersburg, Russia∗ †
Abstract
We present the applications of variational–wavelet ap-
proachfortheanalytical/numericaltreatmentoftheeffec ts
of insertiondev... |
arXiv:physics/0008047v1 [physics.acc-ph] 13 Aug 2000SPIN-ORBITAL MOTION:SYMMETRYAND DYNAMICS
A. Fedorova,M.Zeitlin,IPME,RAS, St. Petersburg, V.O. Bol shojpr.,61,199178,Russia∗†
Abstract
We present the applications of variational–wavelet ap-
proach to nonlinear (rational) model for spin-orbital mo-
tion: orbital dynam... |
arXiv:physics/0008048v1 [physics.acc-ph] 13 Aug 2000LOCAL ANALYSIS OF NONLINEAR RMSENVELOPE DYNAMICS
A. Fedorova,M.Zeitlin,IPME,RAS, St. Petersburg, V.O. Bol shojpr.,61,199178,Russia∗†
Abstract
We present applications of variational – wavelet approach
to nonlinear (rational) rms envelope dynamics. We have
thesolution... |
arXiv:physics/0008049v1 [physics.acc-ph] 13 Aug 2000MULTISCALE REPRESENTATIONS FORSOLUTIONSOF
VLASOV-MAXWELL EQUATIONSFORINTENSE BEAMPROPAGATION
A. Fedorova,M.Zeitlin,IPME,RAS, V.O. Bolshojpr.,61,199 178,St. Petersburg, Russia∗†
Abstract
We present the applications of variational–wavelet ap-
proach for computingmulti... |
arXiv:physics/0008050v1 [physics.acc-ph] 13 Aug 2000QUASICLASSICAL CALCULATIONS INBEAM DYNAMICS
A. Fedorova,M.Zeitlin,IPME,RAS, V.O. Bolshojpr.,61,199 178,St. Petersburg, Russia∗†
Abstract
We presentsomeapplicationsofgeneralharmonic/wavelet
analysisapproach(generalizedcoherentstates,waveletp a-
ckets) to numerical/an... |
arXiv:physics/0008051v1 [physics.atom-ph] 13 Aug 2000Some possibilities for laboratory searches for variations of
fundamental constants
Savely G. Karshenboim∗
D. I. Mendeleev Institute for Metrology (VNIIM),
St. Petersburg 198005, Russia
and
Max-Planck-Institut f¨ ur Quantenoptik,
85748 Garching, Germany†
October 31,... |
DESIGN OF A 3 GHZ ACCELERATOR STRUCTURE FOR THE CLIC TEST
FACILITY (CTF 3) DRIVE BEAM
G. Carron, E. Jensen, M. Luong*), A. Millich, E. Rugo, I. Syratchev, L. Thorndahl,
CERN, Geneva, Switzerland
*) now at CEA-Saclay, DSM/DAPNIA/SEA, Gif-sur-Yvette, FranceAbstra... |
arXiv:physics/0008053v1 [physics.ed-ph] 14 Aug 2000The Physicist’s Guide to the Orchestra
Jean-Marc Bonard
D´ epartement de Physique, ´Ecole Polytechnique F´ ed´ erale de Lausanne,
CH-1015 Lausanne EPFL, Switzerland
Email: jean-marc.bonard@epfl.ch
An experimental study of strings, woodwinds (organ pipe,
flute, clarinet... |
LIFETIME TESTING 700 MHZ RF WINDOWS FOR THE
ACCELERATOR PRODUCTION OF TRITIUM PROGRAM
K. A. Cummings, M. D. Borrego, J. DeBaca, J. S. Harrison, M. B. Rodriguez, D. M. Roybal,
W. T. Roybal, S. C. Ruggles, P. A. Torrez, LANL, Los Alamos, NM 87545, USA
G. D. White, Marconi Applied Technologies, Chelmsford, England
Abstra... |
Funneling with the Two -Beam RFQ*
H. Zimmermann, A. Bechtold, A. Schempp, J. Thibus, IAP, Frankfurt, Germany
Institut für Angewandte Physik, Johann Wolfgang Goethe -Universität,
Robert -Mayer -Straße 2 -4, D-60054 Frankfurt am Main, Germany
Abstract
New high current accelerator facilities like proposed f... |
OVERVIEW OF THE APT ACCELERATOR DESIGN*
J. F. Tooker, R. Bourque, D. Christiansen, J. Kamperschroer, G. Laughon, M. McCarthy,
M. Schulze, General Atomics, San Diego, CA 92186
Abstract
The accelerator for the APT Project is a 100 mA CW
proton linac with an output energy of 1030 MeV. A
High Energy Beam Transport (HEBT)... |
0 2 4 6 8 10 12 14
0 1 2 3 4 5 6 7 8(m)
-14 -12 -10 -8 -6 -4 -2 0 1 2 3 4 5 6 7* * 0 5 10 15 20
0 5 10 15 20Systematic
Exact Value
SystematicRandom
Random
Error (Percent) 0 2 4 ... |
arXiv:physics/0008058v1 [physics.gen-ph] 14 Aug 2000QUANTUM STRING FIELD THEORY AND PSYCHOPHYSICS
Denis V. Juriev
ul.Miklukho-Maklaya 20-180, Moscow 117437 Russia
(e-mail: denis@juriev.msk.ru)
physics/0008058
The quantum string field theoretic structure of interactive pheno mena is discussed.
This note continues the a... |
THE MECHANICAL DESIGN FOR THE DARHT-II
DOWNSTREAM BEAM TRANSPORT LINE*
G. A. Westenskow, L. R. Bertolini, P.T. Duffy, A. C. Paul
Lawrence Livermore National Laboratory, Livermore, CA 94550 USA
Abstract.
This paper describes the mechanical design of the
downstream beam transport line for the second axis of theDual Axis... |
arXiv:physics/0008060v1 [physics.atom-ph] 14 Aug 2000Theoretical study of the absorption spectra of the sodium di mer
H.-K. Chung, K. Kirby, and J. F. Babb
Institute for Theoretical Atomic and Molecular Physics,
Harvard-Smithsonian Center for Astrophysics,
60 Garden Street, Cambridge, MA 02138
Abstract
Absorption of ... |
arXiv:physics/0008061v1 [physics.acc-ph] 15 Aug 2000PRODUCTION AND STUDIESOF PHOTOCATHODESFOR HIGH
INTENSITYELECTRONBEAMS
E. Chevallay,S. Hutchins,P. Legros,G. Suberlucq, H.Traut ner, CERN, Geneva,Switzerland
Abstract
For short,high-intensityelectronbunches,alkali-tellu rides
have proved to be a reliable photo-cathod... |
/G24/G03/G05/G2B/G3C/G25/G35/G2C/G27/G05/G10/G37/G3C/G33/G28/G03/G36/G3C/G36/G37/G28/G30/G03/G29/G32/G35
/G24/G31/G03/G24/G26/G2B/G35/G32/G30/G24/G37/G2C/G26/G03/G29/G32/G26/G38/G36/G2C/G31/G2A/G03/G32/G29/G03/G2C/G32/G31/G36
/G3C /G11/G3C/G58 /G11/G03/G25/G52/G4A/G47/G44/G51/G52/G59/G4C/G46/G4B/G0F/G03 /G3A /G11/G39/G... |
arXiv:physics/0008063v1 [physics.gen-ph] 15 Aug 2000Fractal Statistics
B.G. Sidharth∗
Centre for Applicable Mathematics & Computer Sciences
B.M. Birla Science Centre, Adarsh Nagar, Hyderabad - 500 063 (India)
Abstract
We consider the recent description of elementary particles in terms
of Quantum Mechanical Kerr-Newma... |
arXiv:physics/0008064 15 Aug 2000CLIC – A TWO-BEAM MULTI-TeV e
/G72/G72
LINEAR COLLIDER
J.P. Delahaye and I. Wilson for the CLIC study team:
R. Assmann, F. Becker, R. Bossart, H. Braun, H. Burkhardt, G. Carron, W. Coosemans, R. Corsini, E. D'Amico,
S. Doebert, S. Fartoukh, A. Ferrari, G. Geschonke, J.C. Godot, L. Gr... |
PHASE ROTATION, COOLING AND ACCELERATION OF MUON BEAMS:
A COMPARISON OF DIFFERENT APPROACHES
G. Franchetti, S. Gilardoni, P. Gruber, K. Hanke, H. Haseroth, E. B. Holzer, D. Küchler,
A. M. Lombardi, R. Scrivens, CERN, Geneva, Switzerland
Abstract
Experimental and theoretical activities are underway
at CERN [1] with the... |
arXiv:physics/0008066 15 Aug 2000Superconducting H-mode Structures for Medium Energy Beams
R. Eichhorn and U. Ratzinger
GSI, Planckstr. 1, 64291 Darmstadt, Germany and
IAP, Goethe Universität Frankfurt, Robert-Mayer-Str. 2-4, 60325 Frankfurt, Germany
Abstract
Room temperature IH-type drift tube structures are
used a... |
AN INJECTOR FOR THE CLIC TEST FACILITY (CTF3)
H. Braun, R. Pittin, L. Rinolfi, F. Zhou, CERN, Geneva, Switzerland
B. Mouton, LAL, Orsay, France
R. Miller, D. Yeremian, SLAC, Stanford, CA94309, USA
Abstract
The CLIC Test Facility (CTF3) is an intermediate step
to demonstrate the technical feasibility of the keyconcept... |
arXiv:physics/0008068 15 Aug 2000PULSED NEUTRON SOURCE USING 100-MEV ELECTRON LINAC
AT POHANG ACCELERATOR LABORATORY*
G. N. Kim#, H. S. Kang, Y. S. Lee, M. H. Cho, I. S. Ko, and W. Namkung
Pohang Accelerator Laboratory, POSTECH, Pohang 790-784, Korea
Abstract
The Pohang Accelerator Laboratory operates an
electron lin... |
Collector Failures on 350 MHz, 1.2 MW CW Klystrons at the Low
Energy Demonstration Accelerator (LEDA)
D. Rees, W. Roybal, J. Bradley III, LANL, Los Alamos, NM 87545, USA
Abstract
We are currently operating the front end of the
accelerator production of tritium (APT) accelerator, a 7
MeV radio frequency quadrapole (RFQ)... |
THE SPALLATION NEUTRON SOURCE (SNS) LINAC RF SYSTEM*
Michael Lynch, William Reass, Daniel Rees, Amy Regan, Paul Tallerico,
Los Alamos National Laboratorys, Los Alamos, NM, 87544, USA
Abstract
The SNS is a spallation neutron research facility being
built at Oak Ridge National Laboratory in Tennessee [1].
The Linac porti... |
BEAM EMITTANCE MEASUREMENTS FOR THE LOW-ENERGY
DEMONSTRATION ACCELERATOR RADIO-FREQUENCY
QUADRUPOLE*
M. E. S chulze , General Atomics , San Diego, CA 92186 , USA
J. D. G ilpatrick , W. P. L ysenko , L. J. R ybarcyk , J. D. S chneider , H. V. S mith, Jr., and L. M. Y oung ,
Los Alamos National Laboratory, Los Alamos,... |
arXiv:physics/0008072 15 Aug 2000NEW DEVELOPMENTS IN LINEAR COLLIDERS FINAL FOCUS
SYSTEMS
P.Raimondi, A. Seryi, SLAC,Stanford,CA
Abstract
The length, complexity and cost of the presen t Final
Focus designs for linear colliders grows very quick ly with
the beam energy. In this letter, a novel final focu s sy... |
CCT, A CODE TO AUTOMATE THE DESIGN OF COUPLED CAVITIES *
P. D. Smith, General Atomics, Los Alamos, NM 87544, USA
Abstract
The CCT (Coupled Cavity Tuning) code automates the
RF calculations and sizing of RF cavities for the CCL
(Coupled Cavity Linac) structures of APT. It is planned
to extend the code to the CCDTL (Cou... |
High-Power Testing of the APT Power Coupler∗
E. N. Schmierer, K. C. D. Chan, D. C. Gautier, J. G. Gioia, W. B. Haynes, F. L. Krawczyk, M.
A. Madrid, D. L. Schrage, J. A. Waynert, LANL, Los Alamos, NM 87545, USA
B. Rusnak, LLNL, Livermore, CA 94550, USA
∗ Work supported b... |
arXiv:physics/0008075v1 [physics.optics] 16 Aug 2000BIHEP-TH-2000-2
Possibility of a Light Pulse with Speed Greater
than c
Xian-jian Zhou
Institute of High Energy Physics, Academia Sinica
P.O.Box 918-4, Beijing 100039
People’s Republic of China
Abstract
In two models it is shown that a light pulse propagates from a v... |
arXiv:physics/0008076v1 [physics.optics] 16 Aug 2000Energy focusing inside a dynamical cavity
K. Colanero and M. -C. Chu
Department of Physics, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong.
We study the exact classical solutions for a real scalar field inside a cavity with a wall whose
motion is self-c... |
arXiv:physics/0008077v1 [physics.ins-det] 16 Aug 2000Annealing of radiation induced defects in
silicon in a simplified phenomenological model
S. Lazanuaand I. Lazanub
aNational Institute for Materials Physics, P.O.Box MG-7, Bu charest-Magurele,
Romania, electronic address: lazanu@alpha1.infim.ro
bUniversity of Buchares... |
arXiv:physics/0008078v1 [physics.acc-ph] 16 Aug 2000LATESTDEVELOPMENTSFROM THE S-DALINAC∗
M. Brunken, H.Genz, M. Gopych,H.-D. Graef, S. Khodyachykh, S. Kostial,U. Laier, A. Lenhardt,
H. Loos,J.Muehl,M. Platz, A.Richter, S. Richter, B. Schwei zer, A. Stascheck, O. Titze,
S. Watzlawik(TU Darmstadt),S. Doebert(CERN)
Abs... |
/G2F/G2C/G31/G24/G26/G03 /G2F/G38/G28/G15/G13/G13/G11/G03/G29/G2C/G35/G36/G37/G03/G37/G28 /G36/G37/G2C/G31/G2A/G03/G35/G28/G36/G38/G2F/G37/G36
/G36/G11/G31/G11/G03/G27/G52/G4F/G5C/G44/G0F/G03/G3A/G11/G2C/G11/G03/G29/G58/G55/G50/G44/G51/G0F/G03/G39/G11/G39/G11/G03/G2E/G52/G45/G48/G57/G56/G0F/G03/G28/G11/G30/G11/G03/G2F/... |
arXiv:physics/0008080 16 Aug 2000A SUPER-CONDUCTING LINAC INJECTOR FOR THE BNL-AGS∗
D. Raparia, A.G. Ruggiero, BNL, Po Box 5000, Upton, NY 11973, USA
∗ Work performed under the auspices of the US Department of EnergyAbstract
This paper reports on the feasibility study ... |
arXiv:physics/0008081 16 Aug 2000A SUPER-CONDUCTING LINAC DRIVER FOR THE HFBR∗
J. Alessi, D. Raparia, A.G. Ruggiero, BNL, Po Box 5000, Upton, NY 11973, USA
∗ Work performed under the auspices of the US Department of EnergyAbstract
This paper reports on the feasibility ... |
arXiv:physics/0008082v1 [physics.data-an] 16 Aug 2000On the Confidence Interval for the parameter of Poisson
Distribution
S.I. Bityukov3, N.V. Krasnikov1V.A. Taperechkina2
Institute for High Energy Physics,
142284, Protvino Moscow Region, Russia
Abstract
In present paper the possibility of construction of continu ous ... |
arXiv:physics/0008083v1 [physics.chem-ph] 16 Aug 2000Theory of nuclear spin conversion in ethylene
P.L. Chapovsky∗and E. Ilisca
Laboratoire de Physique Th´ eorique de la Mati` ere Condens´ ee,
Universit´ e Paris 7–Denis Diderot,
2, Place Jussieu, 75251 Paris Cedex 05, FRANCE
(February 2, 2008)
Abstract
First theoreti... |
arXiv:physics/0008084 16 Aug 2000WIRE SCANNERS FOR SMALL EMITTANCE BEAM MEASUREMENT
IN ATF
H. Hayano, KEK, Tsukuba, Ibaraki, Japan
Abstract
The wire scanners are used for a measurement of the
very small beam size and the emittance in Accelerator
Test Facility (ATF). They are installed in the extraction
beam line of A... |
arXiv:physics/0008085 16 Aug 2000Energy Stability in High Intensity Pulsed SC Proton Linac
A. Mosnier, CEA-DAPNIA, Gif-sur-Yvette, France
Abstract
Spallation sources dedicated to neutron scattering
experiments, as well as multi-purpose facilities serving
several applications call for pulsed mode operation of a
high i... |
The Low Energy Beam Transport System of the New GSI High Current Injector
L. Dahl, P. Spädtke, GSI Darmstadt, Germany
Abstract
The UNILAC was improved for high current
performance by replacing the Wideröe prestripper
accelerator by an RFQ and an IH-type DTL. In addition,
one of two ion source terminals was equipped wit... |
COMMISSIONING OF THE 1.4 MeV/u
HIGH CURRENT HEAVY ION LINAC AT GSI
W. Barth, GSI, Planckstr.1, 64291 Darmstadt, Germany
Abstract
The disassembly of the Unilac prestripper linac of the
Wideröe type took place at the beginning of 1999. An
increase of more than two orders of magnitude in
particle number for the most heavy... |
THE NEW GAS STRIPPER AND CHARGE STATE SEPARATOR OF THE
GSI HIGH CURRENT INJECTOR
W. Barth, P. Forck GSI, Planckstr.1, 64291 Darmstadt, Germany
Abstract
The GSI Unilac was upgraded as a high current
injector for the SIS in 1999. Therefore, the stripping
section [1] at 1.4 MeV/u, where a beam transport under
highest spac... |
HIGH-POWER CIRCULATOR TEST RESULTS AT 350 AND 700 MHZ
W. T. Roybal, J. Bradley III, D. Rees, P. A. Torrez,
D. K. Warner, LANL, Los Alamos, NM 87545, USA
J. DeBaca, (General Atomic) LANL, Los Alamos, NM 87545, USA
Abstract
The high-power RF systems for the Accelerator
Production of Tritium (APT) program require high-pow... |
INDUSTRIAL FABRICATION OF MEDIUM-BETA SCRF CAVITIES
FOR A HIGH-INTENSITY PROTON LINAC
J.Kuzminski, General Atomics, San Diego, CA 92186, USA
K.C.D.Chan, R.Gentzlinger, LANL, Los Alamos, NM 87545 USA
P. Maccioni, CERCA, Romans, France
Abstract
During 1999, four 700-MHz, medium-beta ( β = 0.64),
superconducting radio fr... |
Abstract
The operation of a Free Electron Laser (FEL) in the ultra-
violet or in the X-ray regime requires the acceleration ofelectron bunches with an rms length of 25 to 50 µm. Thewakefields generated by these sub picosecond bunches ex-tend into the frequency range well beyond the threshold forCooper pair breakup (a... |
12 PM-tubes
or CCD
SpectrometerdigitizerCurrent
GeneratorFlashboard
plasmasources
cathodeanode
lensmirrorplasma
cylindrical
lensfiber-bundle array
X
Z
YPCdoped
material
G-10 plateepoxy resin
Gas doping Surface dischargeDoping
nozzle
gas valveskimmer9 cm2.6 cm3 cm
1-2 cm600 800 1000 1200 140002468
x=1 cm
x=1 cm
x=2 ... |
arXiv:physics/0008093 16 Aug 2000AUTOMATED OPERATION OF THE APS LINAC USING THE
PROCEDURE EXECUTION MANAGER
R. Soliday, S. Pasky, M. Borland, Argonne National Laboratory, Argonne, IL 60439, USA
Abstract
The Advanced Photon Source (APS) linear accelerator
has two thermionic cathode rf guns and one photocat h... |
arXiv:physics/0008094v1 [physics.gen-ph] 16 Aug 2000the quantum vacuum, fractal geometry,
and the quest for a new theory of gravity
Edward F. Halerewicz, Jr.∗
Lincoln Land Community College†
5250 Shepherd Road
P.O. Box 19256, Springfield, IL 62794-9256 USA
August 11, 2000
Abstract
In this letter recent developments ar... |
BEAM POSITION-PHASE MONITORS FOR SNS LINAC
S.S. Kurennoy, LANL, MS H824, Los Alamos, NM 87545, USA
Abstract
Electromagnetic modeling with MAFIA of the
combined beam position-phase monitors (BPPMs) for the Spallation Neutron Source (SNS) linac has been performed. Time-domain 3-D simulations are used to compute t... |
BRIDGE COUPLER FOR APT*
Paul T. Greninger, Henry J. Rodarte, General Atomics, San Diego, CA
Abstract
The Coupled Cavity Drift Tube Linac (CCDTL) used
in the Accelerator for the Production of Tritium (APT) is
fully described elsewhere [1 ]. The module s are
composed of several machined and brazed segments that
must acc... |
InjectorRFQ
WaveguideBeamstopHEBT
Figure 1: LEDA configuration for RFQ commissioning.
Center and lower-upstream waveguides no longer used.LEDA BEAM OPERATIONS MILESTONE AND OBSERVED BEAM
TRANSMISSION CHARACTERISTICS*
L. J. Rybarcyk, J. D. Schneider, H. V. Smith, and L. M. Young, M. E. Schulzea,
Los Alamos National Lab... |
RF Control System for the NLC Linacs*
P. Corredoura✝, C. Adolphsen
Stanford Linear Accelerator Center, Stanford, Ca 94309, USA
Abstract
The proposed Next Linear Collider contains a large num-
ber of linac RF systems with new requirements for wide-
band klystron modulation and accurate RF vector
detection. The system wi... |
Abstract
Electron beams of linear induction accelerators experi-
ence deflective forces caused by RF fields building up as aresult of accelerating cavities of finite size. These forcescan significantly effect the beam when a long linac com-posed of identical cells is assembled. Recent techniques incomputational modeling, s... |
7(67 2)$&&(/(5$7,1* 6758&785( )259 (33 35(,1-(&725
9($NLPRY$9 $OHNVDQGURY$9 $QWRVKLQ06 $YLORY3$ %DN2<X%D]KHQRY
<X0%RLPHOVKWHLQ '<X%RONKRYLW\DQRY$* &KXS\UD16'LNDQVN\$5 )URORY
5.K*DOLPRY5* *URPRY.9 *XELQ60 *XURY<XH$*XVHY,9 .D]DUH]RY... |
arXiv:physics/0008101 17 Aug 2000THE CLIC MAIN LINAC ACC ELERATING STRUCTURE
I. Wilson, W. Wuensch, CERN, Geneva, Switzerland
Abstract
This paper outlines the RF design of the CLIC
(Compact Linear Collider) 30 GHz main linac
accelerating structure and gives the resulting
longitudinal and transverse mode properties. T... |
TESTS OF THE CERN PROTON LINAC PERFORMANCE FOR
LHC-TYPE BEAMS
C.E. Hill, A. Lombardi, R. Scrivens, M. Vretenar
CERN, CH-1211 Geneva 23, Switzerland
A. Feschenko, A. Liou
Institute for Nuclear Research, Moscow, 117312 Russia
Abstract
As the pre-injector of the LHC injector chain, the proton linac at
CERN is required to ... |
arXiv:physics/0008103v1 [physics.acc-ph] 17 Aug 2000Measurementof the six DimensionalPhase Space
atthe NewGSI HighCurrent Linac
P. Forck,F. Heymach,T.Hoffmann,A. Peters, P. Strehl
Gesellschaftf¨ urSchwerionenforschung GSI, Planck Stras se1, 64291Darmstadt,Germany
e-mail: p.forck@gsi.de
Abstract
For the characterizati... |
arXiv:physics/0008104v1 [physics.acc-ph] 17 Aug 2000Superconducting Superstructure forthe TESLACollider: Ne wResults
N.Baboi, M.Liepe, J. Sekutowicz
Deutsches Elektronen-SynchrotronDESY, D-22603Hamburg, Germany,
M.Ferrario, INFN, Frascati, Italy
Abstract
A new cavity-chainlayout has been proposedfor the main
linacoft... |
Beam Dynamics Studies for a High Current Ion Injector1
A. Sauer, H. Deitinghoff, H. Klein, Institut für Angewandte Physik, Universität Frankfurt am Main,
Germany
1 Work supported by the European Commission. Abstract
Recent ion source developments resul... |
arXiv:physics/0008106v1 [physics.acc-ph] 17 Aug 2000HIGH CURRENT BEAMDYNAMICS INAN ESSSC LINAC
M.Pabst,K. Bongardt,ForschungszentrumJ¨ ulichGmbH,Ger many
A. Letchford, RAL, Didcot,U.K.
Abstract
Three alternative designs of the European Spallation
Source (ESS) high energy linac are described. The most
promisingonesare... |
STUDIES OF COUPLED CAVITY LINAC (CCL) ACCELERATING
STRUCTURES WITH 3-D CODES*
G. Spalek, D.W. Christiansen, P.D.Smith, P.T. Greninger, C.M. Charman, General Atomics, San
Diego, CA 92186, USA
R.A. DeHaven, Techsource, Inc., Santa Fe, NM 87501, USA
L.S.Walling, Ansoft Corp., Albuquerque, NM 87113
... |
arXiv:physics/0008108v1 [physics.acc-ph] 17 Aug 2000EstimatesofDispersive Effectsin aBent NLC MainLinac∗
M.Syphers and L.Michelotti,Fermilab, Batavia, IL 60510,U SA
Abstract
An alternative being considered for the Next Linear Col-
lider (NLC) is not to tunnel in a straight line but to bend
theMainLinacintoanarcsoasto... |
ANALYSES OF KLYSTRON MODULATOR APPROACHES FOR NLC ∗
Anatoly Krasnykh, SLAC, Box 4349 Stanford, CA 94309
∗ Work supported by Department of Energy contract DE-AC03-76SF00515Abstract
Major changes to the Next Linear Collider (NLC) design
were facilitated by the experimental... |
OPERATIONAL ASPECTS OF THE HIGH CURRENT UPGRADE AT THE
UNILAC
J. Glatz, J. Klabunde, U. Scheeler, D. Wilms, GSI, Darmstadt, Germany
Abstract
With the new GSI High Current Injector, the beam
pulse intensity will be increased by more than two orders
of magnitude. The high beam power and the short
stopping range at partic... |
arXiv:physics/0008111v1 [physics.gen-ph] 17 Aug 2000Looking Forward to Pricing Options from Binomial Trees
Dario Villaniaand Andrei E. Ruckensteinb
(a) 10 Brookside Drive, Greenwich, CT 06830
(b) Department of Physics and Astronomy, Rutgers Universit y,
136 Frelinghuysen Road, Piscataway, NJ 08854
(September 14, 2013... |
arXiv:physics/0008112v1 [physics.acc-ph] 17 Aug 2000DESIGNAND PERFORMANCE SIMULATIONSOF THE BUNCH
COMPRESSOR FOR THEAPS LEUTLFEL∗
M.Borland, ANL,Argonne, IL 60439,USA
Abstract
A magnetic bunch compressor was designed and is be-
ing commissioned to provide higher peak current for the
Advanced Photon Source’s (APS) Low... |
DESIGN OF THE SNS NORMAL CONDUCTING LINAC RF
CONTROL SYSTEM
Amy Regan, Sung-il Kwon, Tony S. Rohlev, Yi-Ming Wang,
LANL, Los Alamos, NM 87544, USA
Mark S. Prokop, David W. Thomson; Honeywell FM&T
Abstract
The Spallation Neutron Source (SNS) is being designed
for operation in 2004. The SNS is a 1 GeV machineconsisting ... |
arXiv:physics/0008114v1 [physics.acc-ph] 17 Aug 2000AHIGHLYFLEXIBLEBUNCH COMPRESSOR
FORTHEAPS LEUTLFEL∗
M. Borland,J. Lewellen,S. Milton,ANL, Argonne,IL 60439,U SA
Abstract
The Low-Energy Undulator Test Line (LEUTL) free-
electron laser (FEL) [1] at the Advanced Photon Source
(APS) has achieved gain at 530 nm with an... |
arXiv:physics/0008115 17 Aug 2000SPACE CHARGE EFFECTS IN BUNCH SHAPE MONITORS
A.V.Feschenko, V.A.Moiseev
Institute for Nuclear Research, Moscow 117312, Russia
Abstract
The operation and parameters of Bunch Shape
Monitors using coherent transformation of time structure
of an analyzed beam into a spatial one of low ene... |
arXiv:physics/0008116v1 [physics.acc-ph] 17 Aug 2000USE OFCOHERENT TRANSITIONRADIATIONTOSETUP THEAPS RF
THERMIONICGUNTO PRODUCE HIGH-BRIGHTNESSBEAMSFOR
SASE FEL EXPERIMENTS∗
N. S. Sereno, M.Borland, A. H.Lumpkin,
Argonne/APS, Argonne, IL, 60439-4800,USA
Abstract
We describe use of the Advanced Photon Source (APS) rf
... |
COHERENT SYNCHROTRON RADIATION MEASUREMENTS IN THE
CLIC TEST FACILITY (CTF II)
H.H. Braun, R. Corsini, L. Groening, F. Zhou, CERN, Geneva, Switzerland
A. Kabel, T. Raubenheimer, SLAC, Menlo Park, CA 94025, USA
R. Li, TJNAF, Newport News, VA 23606, USA
T. Limberg, DESY, Hamburg, Germany
Abstract
Bunches of high charge (... |
Physics Design Considerations of Diagnostic X Beam Transport System*
Yu-Jiuan Chen and Arthur C. Paul, LLNL, Livermore, CA 94550, USA
Abstract
Diagnostic X (D-X) transport system would extract the
beam from the downstream transport line of the second-
axis of the Dual Axis Radiographic Hydrodynamic Test
facility (DARHT... |
Physics Design of the ETA-II/Snowtron Double Pulse Target Experiment*
Yu-Jiuan Chen, Darwin D.-M. Ho, James F. Mccarrick, Arthur C. Paul, Stephen Sampayan,
Li-Fang Wang, John T. Weir, LLNL, Livermore, CA 94550, USA
Abstract
We have modified the single pulse target experimental
facility[1] on the Experimental Test Accel... |
A NEW LINEAR INDUCTIVE VOLTAGE ADDER DRIVER
FOR THE SATURN ACCELERATOR
M. G. Mazarakis, R. B. Spielman, K. W. Struve, F. W. Long
Sandia National Laboratories, Albuquerque, NM 87185, USA
Abstract
Saturn is a dual-purpose accelerator. It can be operated
as a large-area flash x-ray source for simulation testing or
as a Z... |
arXiv:physics/0008121 17 Aug 2000TOUTATIS, THE CEA-SACLAY RFQ CODE
R. Duperrier∗, R. Ferdinand, J-M. Lagniel, N. Pichoff,
CEA-Saclay, 91191 Gif s/Yvette cedex, France
∗ Contact rduperrier@cea.frAbstract
A CW high power linear accelerator can only work
with very ... |
arXiv:physics/0008122 17 Aug 2000RF SYSTEM UPGRADES TO THE ADVANCED PHOTON SOURCE
LINEAR ACCELERATOR IN SUPPORT OF THE FEL OPERATION*
T.L. Smith/c250, M.H. Cho/c173, A.E. Grelick, G. Pile, A. Nassiri, N. Arnold
Argonne National Laboratory, Argonne, IL60439 USA
... |
Status of Superconducting RF Linac Development for APT∗
K. C. D. Chan, B. M. Campbell, D. C. Gautier, R. C. Gentzlinger, J. G. Gioia, W. B. Haynes, D.
J. Katonak, J. P. Kelley, F. L. Krawczyk, M. A. Madrid, R. R. Mitchell, D. I. Montoya, E. N.
Schmierer, D. L. Schrage, A. H. Shapiro, T. Tajima, J. A. Waynert, LANL, Los... |
arXiv:physics/0008124v1 [physics.acc-ph] 17 Aug 2000Analysisof Longitudinal Bunching inan FELDrivenTwo-Beam Accelerator∗
S. Lidia,LBNL, Berkeley, CA USA
J.Gardelle, T.Lefevre, CEA/CESTA, LeBarp, France
J.T.Donohue,CENBG, Gradignan, France
P. Gouard,J.L. Rullier,CEA/DIF, Bruyeres leChatel, Franc e
C. Vermare, LANL,Los... |
PROGRESS ON THE 140 KV, 10 MEGAWATT PEAK, 1 MEGAWATT
AVERAGE POLYPHASE QUASI -RESONANT BRIDGE, BOOST
CONVERTER/MODULATOR FOR THE SPALLATION NEUTRON
SOURCE (SNS) KLYSTRON POWER SYSTEM 1
William A. Reass, James D. Doss, Robert F. Gribble, Michael T. Lynch,
and Paul J. Tallerico
Los Alamos National Laboratory, P... |
arXiv:physics/0008126v1 [physics.acc-ph] 17 Aug 2000The RTA Betatron-Node Experiment:
Limiting Cumulative BBUGrowthInALinear Periodic System
S. Lidia, LawrenceBerkeley NationalLaboratory
T. Houck,G. Westenskow,LawrenceLivermoreNational Labor atory
Abstract
ThesuccessfuloperationofaTwo-Beamacceleratorbased
on extended... |
SIMULATION OF RETURNING ELECTRONS FROM A KLYSTRON
COLLECTOR
Z. Fang, The Graduate University For Advanced Studies
S. Fukuda, S. Yamaguchi, And S. Anami, High Energy Accelerator Research Organization (KEK)
1-1, Oho, Tsukuba-Shi, Ibaraki, 305-0801, Japan
Abstract
Spurious oscillations in klystrons due to returning
elect... |
arXiv:physics/0008128v1 [physics.acc-ph] 18 Aug 2000SIMULATIONOF ANINTRA-PULSE INTERACTION POINTFEEDBACK
FORFUTURE LINEARCOLLIDERS
D. Schulte,CERN, 1211Geneva,Switzerland
Abstract
In future normal-conducting linear colliders, the beams
will be delivered in short bursts with a length of the or-
der of 100 ns. The puls... |
arXiv:physics/0008129v1 [physics.acc-ph] 18 Aug 2000TOWARDSRELIABLEACCELERATIONOF HIGH-ENERGYAND
HIGH-INTENSITYELECTRONBEAMS
K. Furukawa∗and LinacCommissioningGroup†
HighEnergy Accelerator Research Organization(KEK)
Oho 1-1,Tsukuba,Ibaraki, 305-0801,Japan
Abstract
KEK electron linac was upgraded to 8 GeV for the KEK
... |
A LOW-CHARGE DEMONSTRATION OF ELECTRON PULSE
COMPRESSION FOR THE CLIC RF POWER SOURCE
R. Corsini, A. Ferrari, J.P. Potier, L. Rinolfi, T. Risselada, P. Royer, CERN, Geneva, Switzerland
Abstract
The CLIC (Compact Linear Collider) RF power source
is based on a new scheme of electron pulse compressionand bunch frequency m... |
arXiv:physics/0008131v1 [physics.acc-ph] 18 Aug 2000BEAM DYNAMICS SIMULATIONFOR THECTF3 DRIVE-BEAM
ACCELERATOR
D. Schulte,CERN, 1211Geneva,Switzerland
Abstract
A new CLIC Test Facility (CTF3) at CERN will serve to
study the drive beam generation for the Compact Linear
Collider (CLIC). CTF3 has to accelerate a 3.5 Ael... |
arXiv:physics/0008132v1 [physics.acc-ph] 18 Aug 2000BEAMLOADING COMPENSATIONINTHEMAINLINACOF CLIC
D.Schulteand I. Syratchev,CERN, 1211Geneva,Switzerland
Abstract
Compensationofmulti-bunchbeamloadingisofgreatim-
portance in the main linac of the Compact Linear Collider
(CLIC). The bunch-to-bunch energy variation has t... |
arXiv:physics/0008133v1 [physics.acc-ph] 18 Aug 2000Double Kicker systemin ATF
T.Imai,K.Nakai,Science UniversityofTokyo,Chiba, Japan
H.Hayano,J.Urakawa, N.Terunuma,KEK,Ibaraki, Japan
Abstract
A double kicker system which extracts the ultra-low emit-
tancemulti-bunchbeamstablyfromATFdampingringwas
developed. The perfo... |
arXiv:physics/0008134v1 [physics.acc-ph] 18 Aug 2000BEAMSWITCHINGANDBEAMFEEDBACK SYSTEMSATKEKBLINAC
K. Furukawa∗, A. Enomoto,N. Kamikubota,T. Kamitani,T. Matsumoto,
Y. Ogawa,S. Ohsawa, K.Oideand T.Suwada
HighEnergy Accelerator Research Organization(KEK)
Oho 1-1,Tsukuba,Ibaraki, 305-0801,Japan
Abstract
TheKEK8-GeVelec... |
THE RF-SYSTEM OF THE NEW GSI HIGH CURRENT LINAC HSI
G. Hutter, W. Gutowski, W. Hartmann, G. Kube, M. Pilz, W. Vinzenz, GSI, Darmstadt, Germany
Abstract
The RF part of the new high current injector-linac HSI
consists of five cavities with the new operating
frequency of 36 MHz instead of 27 MHz of the removed
Wideroe typ... |
COMMISSIONING OF IH-RFQ AND IH-DTL
FOR THE GSI HIGH CURRENT LINAC
W. Barth, P. Forck, J. Glatz, W. Gutowski, G. Hutter, J. Klabunde, R. Schwedhelm,
P. Strehl, W. Vinzenz, D. Wilms, GSI Darmstadt, Germany
U. Ratzinger, Institute for Applied Physics, University Frankfurt am Main, Germany
Abstract
The new 1.4 MeV/u front ... |
arXiv:physics/0008137 18 Aug 2000MAIN STEPS FOR FABRICATION OF THE IPHI RFQ
M Painchault, J Gaiffier, C Chauvin, J Martin.
SEA / DAPNIA / CEA, France
Abstract
The RFQ of the project IPHI [1] is a 8 meter long, high
power, very precise tolerances (0.01 mm on 1 meter long
for example) device to accelerate protons. This... |
arXiv:physics/0008138v1 [physics.acc-ph] 18 Aug 2000RESULTS ONPLASMA FOCUSING OF HIGH ENERGYDENSITY
ELECTRONAND POSITRONBEAMS∗
J.S.T. Ng,P. Chen, W. Craddock, F.J. Decker, R.C. Field, M.J .Hogan,R. Iverson,
F. King,R.E. Kirby,T.Kotseroglou,P. Raimondi,D. Walz, SL AC, Stanford, CA. 94309,USA
H.A.Baldis†,P. Bolton,LLNL... |
arXiv:physics/0008139v1 [physics.atom-ph] 18 Aug 2000Frequency dependent hyperpolarizabilities of atoms; calc ulations
using density-functional theory
Arup Banerjee and Manoj K. Harbola
Laser Physics Division Center For Advanced Technology, Ind ore 452013, India
Abstract
Using the orbitals generated by the van Leeuwe... |
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