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Journal Articles

Development of dose assessment method for high-energy neutrons using intelligent neutron monitor

Satoh, Daiki; Sato, Tatsuhiko; Endo, Akira; Takada, Masashi*; Matsufuji, Naruhiro*; Sato, Shinji*

NIRS-M-203 (CD-ROM), p.198 - 199, 2007/06

An innovative intelligent neutron monitor named "DARWIN" was applied to measuring dose in a high-energy neutron field produced through nuclear spallation by 800-MeV/u Si-ion bombardment with a thick graphite target. The measured dose was compared with calculated dose from neutron spectrum in the field. The comparison validated the reliability of DARWIN for dose measurement against high-energy neutrons.

Journal Articles

Development of dose assessment method for high-energy neutrons using intelligent neutron monitor

Satoh, Daiki; Sato, Tatsuhiko; Endo, Akira; Yamaguchi, Yasuhiro; Matsufuji, Naruhiro*; Sato, Shinji*; Takada, Masashi*

NIRS-M-192, p.224 - 225, 2006/05

Light output of liquid organic scintillator NE213 has been measured for proton, deuteron, triton, $$^3$$He nucleus and alpha particle. A thick graphite target was bombarded with 400-MeV/u C ions to the produce charged particles. Time-of-flight method was adopted to determine the kinetic energy of the charged particles. Light output for proton was also measured using mono-energy beams of 100 and 160 MeV. The experimental results gave a new database of light output.

Journal Articles

Study of light output and response function of liquid organic scintillator for high-energy neutron spectrometry

Satoh, Daiki; Sato, Tatsuhiko; Endo, Akira; Matsufuji, Naruhiro*; Sato, Shinji*; Takada, Masashi*; Ishibashi, Kenji*

Nuclear Science Symposium Conference Record, 2005 IEEE, Vol.3, p.1288 - 1290, 2005/10

The response functions of a BC501A liquid organic scintillator have been measured for incidence of various charged particles to investigate the relationship between the kinetic energy of the charged particles and the light output of BC501A. The experiment was performed at Heavy-Ion Medical Accelerator in Chiba (HIMAC) utilizing spallation reactions by heavy ion bombardment on a graphite target. Charged particles incidental on BC501A were identified with the two-dimensional scatter plot of the time-of-flight and the light output. The light output of the BC501A scintillator was deduced as a function of the kinetic energy of the charged particles, and was compared with the semi-empirical formula. While the experimental data showed a good agreement with the formula for proton and deuteron, the data gave slightly larger values compared with the systematic trend for alpha particle.

Oral presentation

Measurement of light outputs of liquid organic scintillator for various charged particles

Satoh, Daiki; Sato, Tatsuhiko; Endo, Akira; Matsufuji, Naruhiro*; Sato, Shinji*; Takada, Masashi*; Ishibashi, Kenji*

no journal, , 

Light output of liquid organic scintillator has been measured for proton, deuteron, triton, $$^{3}$$He nucleus and alpha particle at Heavy-Ion Medical Accelerator in Chiba (HIMAC) of National Institute of Radiological Sciences (NIRS) in Japan. A set of light output functions has been developed according to the present experimental data.

Oral presentation

SVD in plasma shape reconstruction by CCS method

Nakamura, Kazuo*; Matsufuji, Shinji*; Tomoda, Seiji*; Wang, F.*; Mitarai, Osamu*; Kurihara, Kenichi; Kawamata, Yoichi; Sueoka, Michiharu; Sato, Konosuke*; Zushi, Hideki*; et al.

no journal, , 

no abstracts in English

Oral presentation

SVD in plasma shape reconstruction by CCS method

Nakamura, Kazuo*; Matsufuji, Shinji*; Tomoda, Seiji*; Wang, F.*; Mitarai, Osamu*; Kurihara, Kenichi; Kawamata, Yoichi; Sueoka, Michiharu; Sato, Konosuke*; Zushi, Hideki*; et al.

no journal, , 

no abstracts in English

Oral presentation

Feature of SVD in plasma shape reconstruction by CCS method

Nakamura, Kazuo*; Matsufuji, Shinji*; Tomoda, Seiji*; Wang, F.*; Mitarai, Osamu*; Kurihara, Kenichi; Kawamata, Yoichi; Sueoka, Michiharu; Sato, Konosuke*; Zushi, Hideki*; et al.

no journal, , 

no abstracts in English

Oral presentation

Characteristics of SVD in ST plasma shape reproduction method based on CCS

Nakamura, Kazuo*; Matsufuji, Shinji*; Tomoda, Seiji*; Wang, F.*; Mitarai, Osamu*; Kurihara, Kenichi; Kawamata, Yoichi; Sueoka, Michiharu; Hasegawa, Makoto*; Tokunaga, Kazutoshi*; et al.

no journal, , 

no abstracts in English

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