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The riapmtq/impact beam-dynamics simulation package

By: Ryne, R.; Zhao, Q.; Qiang, J.; Garnett, R.W.; Wangler, T.P.; Crandall, K.R.; York, R.C.; Wu, X.; Gorelov, D.; Doleans, M.; Billen, J.H.;

2007 / IEEE / 978-1-4244-0916-7


This item was taken from the IEEE Conference ' The riapmtq/impact beam-dynamics simulation package ' The Fortran 90 RIAPMTQ/IMPACT code package is a pair of linked beam-dynamics simulation codes that have been developed for end-to-end computer simulations of multiple-charge state heavy-ion linacs for future exoticbeam facilities. The simulations can extend from the lowenergy beam-transport line after the ECR ion source to the end of the linac. The work has been performed by a collaboration including LANL, LBNL, ANL, and MSU. The code RIAPMTQ simulates the linac front end including the LEBT, RFQ, and MEBT, and the code IMPACT simulates the main superconducting linac. The codes have been benchmarked for rms beam properties against previously existing codes at ANL and MSU. The codes allow high-statistics runs on parallel supercomputing platforms, such as NERSC at LBNL for studies of beam losses. The codes also run on desktop PC computers for low-statistics design work. We show results from 10-million-particle simulations at NERSC of designs by ANL and MSU for the Rare-Isotope Accelerator.