| Paper |
Title |
Page |
| TUP079 |
RIAPMTQ/IMPACT: Beam-Dynamics Simulation Tool for RIA
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441 |
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- T. P. Wangler, J. A. Billen, R. W. Garnett
LANL, Los Alamos, New Mexico
- V. N. Aseev, B. Mustapha, P. N. Ostroumov
ANL, Argonne, Illinois
- K. R. Crandall
TechSource, Santa Fe, New Mexico
- M. Doleans, D. Gorelov, X. Wu, R. C. York, Q. Zhao
NSCL, East Lansing, Michigan
- J. Qiang, R. D. Ryne
LBNL, Berkeley, California
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We describe a multiple-charge-state simulation-code package for end-to-end computer simulations of the RIA heavy-ion driver linac, extending from the low-energy beam transport after the ECR source to the end of the linac. The work is being performed by a collaboration including LANL, LBNL, ANL, and MSU. The package consists of two codes, the code RIAPMTQ for the linac front end including the LEBT, RFQ, and MEBT, and the code IMPACT for the superconducting linac. This code package has been benchmarked for rms beam properties against previously existing codes at ANL and MSU. The simulation tool will allow high-statistics runs on parallel supercomputing platforms, such as NERSC, as well as runs on desktop PC computers for low-statistics design work. It will address an important near-term need for the RIA project, allowing evaluations of candidate designs with respect to beam-dynamics performance including beam losses, which can be compared with predictions of other existing simulation codes.
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| TUP085 |
Beam Simulations for the MSU-RIA Driver Linac Using IMPACT Code
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457 |
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- Q. Zhao, M. Doleans, D. Gorelov, F. Marti, X. Wu, R. C. York
NSCL, East Lansing, Michigan
- J. Qiang
LBNL, Berkeley, California
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Previous end-to-end three-dimensional (3D) beam dynamics simulation studies at Michigan State University (MSU) utilizing the LANA code and including experimentally-based ion source beam parameters, alignment and rf errors, and the effect of charge-stripping foils have indicated that the MSU Rare Isotope Accelerator (RIA) driver linac has adequate transverse and longitudinal acceptances to accelerate light and heavy ions to final energies of ≥ 400 MeV/u with beam powers of 100 to 400 kW. Recently, to evaluate beam dynamics performance under various error scenarios with high statistics, the end-to-end 3D beam dynamics simulation studies for the driver linac were performed on the high performance parallel computers at MSU using the parallel code IMPACT that is an element of the advanced beam dynamics simulation tool: RIAPMTQ/IMPACT. The results of these beam dynamics studies will be presented.
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