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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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