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TY - CONF AU - Lari, L. AU - Cerutti, F. AU - Esposito, L.S. AU - Garcia, F.G. AU - He, Y. AU - Kourbanis, I. AU - Mokhov, N.V. AU - Pozdeyev, E. AU - Rakhno, I.L. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - FLUKA-MARS15 Simulations To Optimize the Fermilab PIP-II Movable Beam Absorber J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - PIP-II is the Fermilab’s flagship project to provide powerful, high-intensity proton beams to the laboratory’s experiments. The heart of the PIP-II project is an H⁻ 800 MeV superconducting linear accelerator. In order to commission the beam and operate safely the linac, several constraints were evaluated. The design of a movable 5 kW beam absorber was finalized to allow staged beam commissioning in different linac locations. Prompt and residual radiation levels were calculated, and radiation shields were optimized to keep those values within the acceptable levels in the areas surrounding beam absorber. Monte Carlo calculations with FLUKA and MARS15 codes are presented in the paper to support these studies. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1136 EP - 1139 KW - linac KW - MMI KW - shielding KW - radiation KW - simulation DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-MOPTS110 UR - http://jacow.org/ipac2019/papers/mopts110.pdf ER -