Improved gold ion stripping at 0.1 and 10 GeV/nucleon for the Relativistic Heavy Ion Collider
The four electron stripping stages leading to fully stripped gold ions in the Relativistic Heavy Ion Collider (RHIC) are briefly described. The third stripper, which removes 46 electrons from the Au^{31+} ions leading to heliumlike Au^{77+}, offers the greatest challenges in terms of energy loss and...
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American Physical Society
2008-01-01
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Series: | Physical Review Special Topics. Accelerators and Beams |
Online Access: | http://doi.org/10.1103/PhysRevSTAB.11.011001 |
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doaj-dafc480ad6804c4db459019ca1bbdb822020-11-25T02:40:40ZengAmerican Physical SocietyPhysical Review Special Topics. Accelerators and Beams1098-44022008-01-0111101100110.1103/PhysRevSTAB.11.011001Improved gold ion stripping at 0.1 and 10 GeV/nucleon for the Relativistic Heavy Ion ColliderP. ThiebergerL. AhrensJ. AlessiJ. BenjaminM. BlaskiewiczJ. M. BrennanK. BrownC. CarlsonC. GardnerW. FischerD. GassnerJ. GlennW. Mac KayG. MarrT. RoserK. SmithL. SnydstrupD. SteskiD. TrbojevicN. TsoupasV. ZajicK. ZenoThe four electron stripping stages leading to fully stripped gold ions in the Relativistic Heavy Ion Collider (RHIC) are briefly described. The third stripper, which removes 46 electrons from the Au^{31+} ions leading to heliumlike Au^{77+}, offers the greatest challenges in terms of energy loss and induced energy spread. These problems are described in detail as well as recent advances in the design and performance of this stripper. Measurements performed with several carbon and aluminum strippers show general agreement with a semiempirical model but small systematic deviations suggest that some model adjustments may be in order. The best performance is predicted and obtained with a combined carbon-aluminum foil system. Measurements showing the enhanced performance in the alternating gradient synchrotron are described. The stripper that removes the last two electrons has also been improved and the results of relevant calculations and measurements are presented.http://doi.org/10.1103/PhysRevSTAB.11.011001 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
P. Thieberger L. Ahrens J. Alessi J. Benjamin M. Blaskiewicz J. M. Brennan K. Brown C. Carlson C. Gardner W. Fischer D. Gassner J. Glenn W. Mac Kay G. Marr T. Roser K. Smith L. Snydstrup D. Steski D. Trbojevic N. Tsoupas V. Zajic K. Zeno |
spellingShingle |
P. Thieberger L. Ahrens J. Alessi J. Benjamin M. Blaskiewicz J. M. Brennan K. Brown C. Carlson C. Gardner W. Fischer D. Gassner J. Glenn W. Mac Kay G. Marr T. Roser K. Smith L. Snydstrup D. Steski D. Trbojevic N. Tsoupas V. Zajic K. Zeno Improved gold ion stripping at 0.1 and 10 GeV/nucleon for the Relativistic Heavy Ion Collider Physical Review Special Topics. Accelerators and Beams |
author_facet |
P. Thieberger L. Ahrens J. Alessi J. Benjamin M. Blaskiewicz J. M. Brennan K. Brown C. Carlson C. Gardner W. Fischer D. Gassner J. Glenn W. Mac Kay G. Marr T. Roser K. Smith L. Snydstrup D. Steski D. Trbojevic N. Tsoupas V. Zajic K. Zeno |
author_sort |
P. Thieberger |
title |
Improved gold ion stripping at 0.1 and 10 GeV/nucleon for the Relativistic Heavy Ion Collider |
title_short |
Improved gold ion stripping at 0.1 and 10 GeV/nucleon for the Relativistic Heavy Ion Collider |
title_full |
Improved gold ion stripping at 0.1 and 10 GeV/nucleon for the Relativistic Heavy Ion Collider |
title_fullStr |
Improved gold ion stripping at 0.1 and 10 GeV/nucleon for the Relativistic Heavy Ion Collider |
title_full_unstemmed |
Improved gold ion stripping at 0.1 and 10 GeV/nucleon for the Relativistic Heavy Ion Collider |
title_sort |
improved gold ion stripping at 0.1 and 10 gev/nucleon for the relativistic heavy ion collider |
publisher |
American Physical Society |
series |
Physical Review Special Topics. Accelerators and Beams |
issn |
1098-4402 |
publishDate |
2008-01-01 |
description |
The four electron stripping stages leading to fully stripped gold ions in the Relativistic Heavy Ion Collider (RHIC) are briefly described. The third stripper, which removes 46 electrons from the Au^{31+} ions leading to heliumlike Au^{77+}, offers the greatest challenges in terms of energy loss and induced energy spread. These problems are described in detail as well as recent advances in the design and performance of this stripper. Measurements performed with several carbon and aluminum strippers show general agreement with a semiempirical model but small systematic deviations suggest that some model adjustments may be in order. The best performance is predicted and obtained with a combined carbon-aluminum foil system. Measurements showing the enhanced performance in the alternating gradient synchrotron are described. The stripper that removes the last two electrons has also been improved and the results of relevant calculations and measurements are presented. |
url |
http://doi.org/10.1103/PhysRevSTAB.11.011001 |
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