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JASMIN: Shielding Studies on High Energy Neutron Produced By 120 GeV Protons
Hee-Seock Lee,Toshiya Sanami,Yosuke Iwamoto,Tsuyoshi Kajimoto,Nobuhiro Shigyo,Kiwamu Jensen,Masayuki Hagiwara,Hiroshi Yashima,Yoshimi Kasugai,Erik Ramberg,Richard Coleman,Doug Jensen,Aria Meyhoefer,Ni 대한방사선방어학회 2010 대한방사선방어학회 학술발표회 논문요약집 Vol.2010 No.04
DEVELOPMENT OF POSITION-SENSITIVE PROTON RECOIL TELESCOPE (PSPRT)
Miura, Takako,Baba, Mamoru,Kawata, Naoki,Sanami, Toshiya 대한방사선 방어학회 2001 방사선방어학회지 Vol.26 No.3
We have developed a position-sensitive proton recoil telescope(PSPRT) which employs a position-sensitive photomultiplier (PS-PMT) and a scintillator for both a radiator and a proton-detector. This system is expected to achieve high energy resolution under a large solid angle, because it enables to obtain the information not only on the proton energy but also the recoil angle from the position data for both detectors. The response of the PSPRT for 14.1 MeV mono-energetic neutrons was measured, and the PSPRT proved to be operating as expected.
Itashiki, Yutaro,Imahayashi, Youichi,Shigyo, Nobuhiro,Uozumi, Yusuke,Satoh, Daiki,Kajimoto, Tsuyoshi,Sanami, Toshiya,Koba, Yusuke,Matsufuji, Naruhiro The Korean Association for Radiation Protection 2016 방사선방어학회지 Vol.41 No.4
Background: Carbon ion therapy has achieved satisfactory results. However, patients have a risk to get a secondary cancer. In order to estimate the risk, it is essential to understand particle transportation and nuclear reactions in the patient's body. The particle transport Monte Carlo simulation code is a useful tool to understand them. Since the code validation for heavy ion incident reactions is not enough, the experimental data of the elementary reaction processes are needed. Materials and Methods: We measured neutron production double-differential cross-sections (DDXs) on a carbon bombarded with 430 MeV/nucleon carbon beam at PH2 beam line of HIMAC facility in NIRS. Neutrons produced in the target were measured with NE213 liquid organic scintillators located at six angles of 15, 30, 45, 60, 75, and $90^{\circ}$. Results and Discussion: Neutron production double-differential cross-sections for carbon bombarded with 430 MeV/nucleon carbon ions were measured by the time-of-flight method with NE213 liquid organic scintillators at six angles of 15, 30, 45, 60, 75, and $90^{\circ}$. The cross sections were obtained from 1 MeV to several hundred MeV. The experimental data were compared with calculated results obtained by Monte Carlo simulation codes PHITS, Geant4, and FLUKA. Conclusion: PHITS was able to reproduce neutron production for elementary processes of carbon-carbon reaction precisely the best of three codes.