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WEPMP038 |
Combined MCNP/Turtle Simulation of the SINQ Beam Line at PSI-HIPA |
2410 |
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- D. Reggiani, D.C. Kiselev, M. Seidel, V. Talanov, M. Wohlmuther
PSI, Villigen PSI, Switzerland
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With a nominal beam power of nearly 1.4 MW, the PSI High Intensity Proton Accelerator (HIPA) complex is currently at the forefront of the high intensity frontier of particle accelerators. A key issue of such facilities is the minimization of beam losses that could lead to excessive activation of beam line components. At HIPA, the SINQ beam line is particularly subject to relatively large losses since it receives the highly divergent beam scattered off a 40 or 60 mm thick muon production graphite target (TE). So far, for HIPA, beam line simulations have been carried out only by means of the matrix multiplication codes TRANSPORT and TURTLE. Although very efficient, such tools do not allow a precise determination of beam losses whenever targets and collimators are substantially affecting the beam optics. A true understanding of how beam halo and the low momentum tail contribute to the measured losses can only be achieved by complementing the traditional simulations techniques by a tool that can transport beam particles in different materials and, at the same time, handle complex geometries like the ones of collimators situated in the beam line. Moreover, such an improved beam line simulation would give a significant contribution in evaluating the feasibility of the SINQ beam rotation system currently under study. In this paper we present a simulation of the SINQ beam line combining MCNP models of TE and collimator sections with the TURTLE computation of the magnetic channel.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2019-WEPMP038
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About • |
paper received ※ 15 May 2019 paper accepted ※ 22 May 2019 issue date ※ 21 June 2019 |
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