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TY - CONF AU - Briz Monago, J.A. AU - Calviani, M. AU - Cerutti, F. AU - Esala, J.J. AU - Gilardoni, S.S. AU - Nuiry, F.-X. AU - Romagnoli, G. AU - Sterbini, G. AU - Vlachoudis, V. ED - Koscielniak, Shane ED - Satogata, Todd ED - Schaa, Volker RW ED - Thomson, Jana TI - Multi-turn Study in FLUKA for the Design of CERN-PS Internal Beam Dumps J2 - Proc. of IPAC2018, Vancouver, BC, Canada, April 29-May 4, 2018 C1 - Vancouver, BC, Canada T2 - International Particle Accelerator Conference T3 - 9 LA - english AB - The CERN Proton-Synchrotron (PS) accelerator is currently equipped with two internal beam dumps in operation since the 1970's. An upgrade is required to be able to withstand the beams that will be produced after the end of the LIU (LHC Injector Upgrade) project. For the design of the new dumps, the interaction and transport of beam and all secondary particles generated has been simulated using FLUKA. The working principle of the internal beam dump in the PS ring is very peculiar with respect to the other dumps in the CERN accelerator complex. A moving dump intercepts the circulating beam during few milliseconds like a fast scraper. The moving dump shaving the beam, the multi-turn transport of beam particles in the PS accelerator and a time-dependent energy deposition in the dump were modeled. The methodology and the results obtained in our studies for the dump core and downstream equipment will be reported in this contribution. PB - JACoW Publishing CP - Geneva, Switzerland SP - 724 EP - 727 KW - dumping KW - simulation KW - experiment KW - operation KW - proton DA - 2018/06 PY - 2018 SN - 978-3-95450-184-7 DO - 10.18429/JACoW-IPAC2018-TUPAF025 UR - http://jacow.org/ipac2018/papers/tupaf025.pdf ER -