K. Watanabe
Osaka University
6 Papers
54 Citations
K. Watanabe is an academic researcher from Osaka University. The author has contributed to research in topics: Scintillator & Neutron. The author has an hindex of 4, co-authored 6 publications.
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Papers
Pr or Ce-doped, fast-response and low-afterglow cross-section-enhanced scintillator with 6Li for down-scattered neutron originated from laser fusion
K. Watanabe,Yasunobu Arikawa,Kohei Yamanoi,Marilou Cadatal-Raduban,Takahiro Nagai,Masahiro Kouno,Kohei Sakai,Tomoharu Nazakato,Toshihiko Shimizu,Nobuhiko Sarukura,Mitsuo Nakai,Takayoshi Norimatsu,Hiroshi Azechi,Akira Yoshikawa,Takahiro Murata,Shigeru Fujino,Hideki Yoshida,Nobuhiko Izumi,Nakahiro Satoh,Hirofumi Kan +19 more
TL;DR: In this article, the authors explore the potential of Pr- or Ce-doped 20Al(PO3)3-80LiF (APLF80+3Pr or +3Ce) scintillator to observe the lower edge of down-scattered neutron and discriminate fusion originated neutron from strong X-ray signals.
22
Note: Light output enhanced fast response and low afterglow 6Li glass scintillator as potential down-scattered neutron diagnostics for inertial confinement fusion
Yasunobu Arikawa,Kohei Yamanoi,Takahiro Nagai,K. Watanabe,Masahiro Kouno,Kohei Sakai,Tomoharu Nakazato,Toshihiko Shimizu,Marilou Raduban Cadatal,Elmer Estacio,Nobuhiko Sarukura,Mitsuo Nakai,Takayoshi Norimatsu,Hiroshi Azechi,Takahiro Murata,Shigeru Fujino,Hideki Yoshida,Nobuhiko Izumi,Nakahiro Satoh,Hirofumi Kan +19 more
TL;DR: An APLF80+3Ce scintillator material holds promise for applications in neutron imaging diagnostics at the energy regions of 0.27 MeV of DD fusion down-scattered neutron peak at the world's largest inertial confinement fusion facilities.
17
Fast-response, Low-Afterglow 4,4'''-Bis[(2-butyloctyl)oxy]-1,1':4',1'':4'',1'''-quarterphenyl Dye-Based Liquid Scintillator for High-Contrast Detection of Laser Fusion-Generated Neutrons
Takahiro Nagai,Yusuke Ioka,Ai Hasegawa,Kazuhiro Wada,Shingo Takaoku,Masatoshi Takata,Katsuya Noritake,Yuki Minami,K. Watanabe,Kohei Yamanoi,Yasunobu Arikawa,H. Hosoda,Hirotaka Nakamura,Takeshi Watari,Marilou Cadatal-Raduban,Mayuko Koga,Toshihiko Shimizu,Nobuhiko Sarukura,Hiroyuki Shiraga,Mitsuo Nakai,Takayoshi Norimatsu,Hiroshi Azechi +21 more
TL;DR: In this article, an ideal neutron scintillator for time-of-flight (TOF) measurement in a laser fusion experiment has been presented, which has a 0.76-ns fast decay component and a negligible slow decay component or afterglow.
16
Fast-Response and Low-Afterglow Cerium-Doped Lithium 6 Fluoro-Oxide Glass Scintillator for Laser Fusion-Originated Down-Scattered Neutron Detection
Takahiro Murata,Yasunobu Arikawa,K. Watanabe,Kohei Yamanoi,Marilou Cadatal-Raduban,Takahiro Nagai,Masahiro Kouno,K. Sakai,Tomoharu Nakazato,T. Shimizu,Nobuhiko Sarukura,Mitsuo Nakai,Takayoshi Norimatsu,Hiroaki Nishimura,Hiroshi Azechi,Akira Yoshikawa,Shigeru Fujino,Hideki Yoshida,Nobuhiko Izumi,Nakahiro Sato,H. Kan +20 more
TL;DR: In this paper, the decay constant of APLF80 + 3Ce with 5.5 MeV alpha particles from 241Am radioisotope excitation was measured to be 32.1 ns.
9
Multichannel down-scattered neutron detector for areal density measurement
Yasunobu Arikawa,H. Hosoda,Takao Nagai,K. Watanabe,K. Yamanoi,Marilou Cadatal-Raduban,Toshihiko Shimizu,Nobuhiko Sarukura,Mitsuo Nakai,Takayoshi Norimatsu,Hiroshi Azechi,Nobuhiko Izumi,Tsuyoshi Murata,Tsuyoshi Murata,Toshihisa Suyama,Akira Yoshikawa,Kei Kamada,Yoshiyuki Usuki,Nakahiro Satoh,H. Kan +19 more
- 01 Dec 2013
TL;DR: In this paper, a down-scattered neutron detector operating in the multichannel counting mode was developed for areal density (ρ R) measurement, which was tested in a fusion experiment at the GEKKO XII facility, Osaka University, Osaka, Japan.