Author: Belikhin, Belikhin, M.A.
Paper Title Page
TUPSA34 Numerical Modeling and Development of the Prototype of the Bragg Peak Position Detector Working in Real Time Mode for Hadron Therapy Facilities 220
 
  • A.A. Pryanichnikov, Belikhin, M.A. Belikhin, A.S. Simakov
    PhTC LPI RAS, Protvino, Russia
  • Altukhov, Y.V. Altukhov, E.V. Altukhova, I.I. Degtyarev, F.N. Novoskoltsev, R.Yu. Sinyukov
    IHEP, Moscow Region, Russia
 
  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.  
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-TUPSA34  
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