Open AccessStudy of neutron and photon production cross sections for second cancer risk assessment in heavy-ion therapy
Author(s) -
Yusuke Uozumi,
Hiroki Iwamoto,
Yusuke Koba,
Naruhiro Matsufuji,
Toshiya Sanami,
Daiki Satoh,
Nobuhiro Shigyo,
Masashi Takada,
M. Ueyama,
Masakatsu YOSHIOKA,
Mamoru Baba
Publication year - 2011
Publication title -
progress in nuclear science and technology
Language(s) - English
Resource type - Journals
ISSN - 2185-4823
DOI - 10.15669/pnst.1.114
Subject(s) - heavy ion , production (economics) , neutron , photon , ion , cancer therapy , nuclear physics , cancer , medicine , physics , optics , economics , quantum mechanics , macroeconomics
In the heavy-ion radiotherapy, considerable discussion has been attracted regarding the potential for second cancer induction by secondary neutrons produced in primary heavy-ion fragmentation. It is needed to develop a Monte-Carlo simulation tool to estimate neutron doses and the photon contribution. Since it is notoriously hard to reproduce the spectral cross sections of neutrons and photons by simulations, we have planned experiments to measure energy-angle double-differential cross sections of nuclear reactions. Several simulation studies have been conducted to realize experiments at the synchrotron HIMAC of NIRS, Japan. Expected spectral cross sections of neutrons and photons are discussed by using Monte-Carlo simulation codes, PHITS and EGS5.
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