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Ogura, K.*; Asano, Masaharu; Yasuda, Nakahiro*; Yoshida, Masaru
Nuclear Instruments and Methods in Physics Research B, 185(1-4), p.222 - 227, 2001/12
Times Cited Count：32 Percentile：89(Instruments & Instrumentation)no abstracts in English
Nakane, Yoshihiro
JAERI-Research 2000-003, p.110 - 0, 2000/02
JAERI-Research-2000-003.pdf:5.55MB
no abstracts in English
Tsujimura, Norio; Momose, Takumaro; Shinohara, Kunihiko
PNC TN8410 96-036, 20 Pages, 1996/02
None
Tsujimura, Norio; Momose, Takumaro; Shinohara, Kunihiko;
PNC TN8410 95-239, 132 Pages, 1995/09
None
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Np, and 
AmH.H.Saleh*; T.A.Parish*; W.H.Miller*; Oigawa, Hiroyuki; S.Raman*
Nuclear Instruments and Methods in Physics Research B, 103, p.393 - 400, 1995/00
Times Cited Count：2 Percentile：32.12(Instruments & Instrumentation)no abstracts in English
Tsujimura, Norio; Momose, Takumaro; Masuyama, Hisako; ;
PNC TY8601 94-001, 106 Pages, 1994/01
no abstracts in English
Kumata, Masahiro;
Radioisotopes, 40(6), p.240 - 243, 1991/06
no abstracts in English
Kumata, Masahiro; *; ; *; *
JAERI-M 90-179, 21 Pages, 1990/10
no abstracts in English
Kanasaki, Masato
no journal, ,
Solid state nuclear track detectors (SSNTDs) which are represented by CR-39 detector are widely applied to laser-accelerated ion beam characterization. This is because SSNTDs have the great advantages of being insensitive to energetic electrons and photons, and are capable of detecting only protons and heavy ions. SSNTDs can reveal the precise information of laser-accelerated ion beams such as energy spectra and spatial distributions with an appropriate analytical method depending on each situation. In this presentation, we are going to introduce the characterization of laser-accelerated ion beams using SSNTDs, such as the diagnosis method of intense high energy ion beams using back-scattered particles and characterization of laser-accelerated heavy ions using low sensitive detectors, with the current status of laser-driven particle acceleration experiment at Kansai Photon Science Institute, Japan Atomic Energy Agency.
Kanasaki, Masato; Jinno, Satoshi*; Sakaki, Hironao; Faenov, A. Ya.*; Pikuz, T. A.*; Nishiuchi, Mamiko; Kiriyama, Hiromitsu; Kando, Masaki; Kondo, Kiminori; Matsui, Ryutaro; et al.
no journal, ,
In the laser-driven ion acceleration using cluster-gas target, the acceleration mechanism consists of different processes such as, (a) acceleration of ions due to Coulomb explosion of individual clusters, (b) compression and acceleration of background gas ions due to the Coulomb explosion of clusters, (c) magnetic vortex generation and associated pinching near the rear surface, and (d) sheath acceleration at the interface between the medium and vacuum. To reveal the synergetic interplay between the processes (a) and (b), we have conducted ion acceleration experiments using CO
clusters embedded in background H gas with the J-KAREN laser. By a careful analysis of CR-39, we have found that the maximum energies of protons and carbon ions are 1.5 MeV and 1.1 MeV/u, respectively. Based on the experimental results, the acceleration mechanism of background gas ions induced by Coulomb explosion of clusters can be discussed with the help from numerical simulations.
Sato, Shinichiro; Haruyama, Moriyoshi; Onoda, Shinobu; Teraji, Tokuyuki*; Isoya, Junichi*; Kada, Wataru*; Oshima, Takeshi; Hanaizumi, Osamu*
no journal, ,
no abstracts in English
Uchida, Masahiro; Maeda, Tsuyoshi; Takimoto, Misaki; Takada, Chie; Tsujimura, Norio
no journal, ,
no abstracts in English
Kato, Shingo; Ishizuka, Akihiro; Okuyama, Shinichi; Nozaki, Tatsuo; Hayashi, Gaku*; Yasuda, Nakahiro*; Torii, Tatsuo*; Ando, Takasuke*
no journal, ,
no abstracts in English
Hashimoto, Suki*; Sakuma, Shuhei; Hosomi, Kenji; Watanabe, Yuki; Unno, Motoyoshi; Takashima, Hideki
no journal, ,
The standards for passive neutron personal dosimeters do not cover high-dose exposures such as criticality accidents, so the upper limit of the dose for personal neutron dosimeters is 20 mSv. On the other hand, the upper limit of dose during emergency work was raised to 250 mSv during the TEPCO Fukushima Daiichi Nuclear Power Plant accident caused by the Great East Japan Earthquake, so it is desirable that personal neutron dosimeters be able to support the upper limit of 250 mSv. In this study, we confirmed the availability of neutron dose evaluation of 250 mSv by irradiating neutron personal dosimeter using PADC detector called CR-39 with up to 300 mSv.
