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TY - CONF AU - Pryanichnikov, A.A. AU - Altukhov, Altukhov, Y.V. AU - Altukhova, E.V. AU - Belikhin, Belikhin, M.A. AU - Degtyarev, I.I. AU - Novoskoltsev, F.N. AU - Simakov, A.S. AU - Sinyukov, R.Yu. ED - Kuzin, Maksim V. ED - Schaa, Volker RW TI - Numerical Modeling and Development of the Prototype of the Bragg Peak Position Detector Working in Real Time Mode for Hadron Therapy Facilities J2 - Proc. of RUPAC2018, Protvino, Russia, 01-05 October 2018 C1 - Protvino, Russia T2 - Russian Particle Accelerator Conference T3 - 26 LA - english AB - The purpose of this research was precision statistical simulation of multi-particle radiation transport using a realistic 3D model of clinical setup prototype and the systems of slot-hole collimators for on-line monitoring of Bragg-peak position at a proton therapy complex Prometheus to define of an available detecting accuracy and the choice of its optimum parameters. Numerical simulation of the experiments was carried out based on the RTS&T high-precision radiation transport software package using files of evaluated nuclear data from ENDF/B VIII.0 library. Results: To determine the error of the longitudinal Bragg peak monitoring, a series of 24 calculations was performed using different sequences of pseudo-random numbers to construct trajectories of particles in the calculation system. When using 3 slits, the RMS-error in determining the longitudinal coordinate was 1.5 mm. Keywords: radiation transport, Monte Carlo method, radiation therapy, medical accelerators, Bragg peak verification, mathematical modeling, irradiation planning, detection techniques. PB - JACoW Publishing CP - Geneva, Switzerland SP - 220 EP - 221 KW - proton KW - detector KW - background KW - hadron KW - radiation DA - 2018/11 PY - 2018 SN - 978-3-95450-197-7 DO - 10.18429/JACoW-RUPAC2018-TUPSA34 UR - http://jacow.org/rupac2018/papers/tupsa34.pdf ER -