Journal of Radiation Protection and Research

The Korean Association for Radiation Protection (대한방사선방어학회)
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Measurement of Neutron Production Double-differential Cross-sections on Carbon Bombarded with 430 MeV/Nucleon Carbon Ions

  • Itashiki, Yutaro (Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University) ;
  • Imahayashi, Youichi (Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University) ;
  • Shigyo, Nobuhiro (Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University) ;
  • Uozumi, Yusuke (Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University) ;
  • Satoh, Daiki (Nuclear Science and Engineering Center, Japan Atomic Energy Agency) ;
  • Kajimoto, Tsuyoshi (Division of Energy and Environmental Engineering, Hiroshima University) ;
  • Sanami, Toshiya (Radiation Science Center, High Energy Accelerator Research Organization) ;
  • Koba, Yusuke (National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology) ;
  • Matsufuji, Naruhiro (National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology)
  • Received : 2015.07.17
  • Accepted : 2016.10.24
  • Published : 2016.12.31
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Abstract

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.

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References

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