Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Motoki Ooi"'
Publikováno v:
Physical Review Accelerators and Beams, Vol 23, Iss 6, p 062802 (2020)
As hadron accelerators achieve increasing beam power, damage to targets is becoming increasingly severe. To mitigate this damage, nonlinear beam optics based on octupole magnets is attractive. Nonlinear optics can decrease the beam-focusing hazard du
Externí odkaz:
https://doaj.org/article/7db03a3b715440dcb016e247b1346d21
Autor:
Hiroshi Takada, Katsuhiro Haga, Makoto Teshigawara, Tomokazu Aso, Shin-Ichiro Meigo, Hiroyuki Kogawa, Takashi Naoe, Takashi Wakui, Motoki Ooi, Masahide Harada, Masatoshi Futakawa
Publikováno v:
Quantum Beam Science, Vol 1, Iss 2, p 8 (2017)
At the Japan Proton Accelerator Research Complex (J-PARC), a pulsed spallation neutron source provides neutrons with high intensity and narrow pulse width pulse to promote researches on a variety of science in the Materials and Life Science Experimen
Externí odkaz:
https://doaj.org/article/9d36a8b45b6c43199f42ef165afc1413
Design and actual performance of J-PARC 3 GeV rapid cycling synchrotron for high-intensity operation
Autor:
Kazami Yamamoto, Michikazu Kinsho, Naoki Hayashi, Pranab Kumar Saha, Fumihiko Tamura, Masanobu Yamamoto, Norio Tani, Tomohiro Takayanagi, Junichiro Kamiya, Yoshihiro Shobuda, Masahiro Yoshimoto, Hiroyuki Harada, Hiroki Takahashi, Yasuhiro Watanabe, Kota Okabe, Masahiro Nomura, Taihei Shimada, Takamitsu Nakanoya, Ayato Ono, Katsuhiro Moriya, Yoshio Yamazaki, Kazuaki Suganuma, Kosuke Fujirai, Nobuhiro Kikuzawa, Shin-Ichiro Meigo, Motoki Ooi, Shuichiro Hatakeyama, Tomohito Togashi, Kaoru Wada, Hideaki Hotchi, Masahito Yoshii, Chihiro Ohmori, Takeshi Toyama, Kenichirou Satou, Yoshiro Irie, Tomoaki Ueno, Koki Horino, Toru Yanagibashi, Riuji Saeki, Atsushi Sato, Osamu Takeda, Masato Kawase, Takahiro Suzuki, Kazuhiko Watanabe, Tatsuya Ishiyama, Shinpei Fukuta, Yuki Sawabe, Yuichi Ito, Yuko Kato, Kazuo Hasegawa, Hiromitsu Suzuki, Fumiaki Noda
Publikováno v:
Journal of Nuclear Science and Technology. 59:1174-1205
Publikováno v:
Journal of Neutron Research. 22:337-343
The general control system (GCS) in the Materials and Life Science Experimental Facility (MLF) at the Japan Proton Accelerator Research Complex (J-PARC) has a data storage (DS) server that stores operational data on the status of neutron and muon tar
Publikováno v:
Journal of Nuclear Science and Technology. 56:573-579
In pulsed neutron sources, a neutron absorber called decoupler, which is characterized by a decoupling energy (Ed), is attached to the moderator to sharpen the neutron pulses for achieving good neu...
Autor:
Akihiko Watanabe, Kenji Sakai, Takeshi Nakatani, Katsuhiro Haga, Yasuo Kobayashi, Tetsuya Kai, Motoki Ooi
Publikováno v:
Proceedings of the 3rd J-PARC Symposium (J-PARC2019).
Publikováno v:
Physical Review Accelerators and Beams, Vol 23, Iss 6, p 062802 (2020)
As hadron accelerators achieve increasing beam power, damage to targets is becoming increasingly severe. To mitigate this damage, nonlinear beam optics based on octupole magnets is attractive. Nonlinear optics can decrease the beam-focusing hazard du
Autor:
Motoki Ooi, Makoto Teshigawara, Yoshie Otake, Masahide Harada, Baolong Ma, Takao Hashiguchi, Yujiro Ikeda, Yasuo Wakabayashi, Shin Takeda, Yutaka Yamagata
Publikováno v:
EPJ Web of Conferences, Vol 231, p 04004 (2020)
Cold neutrons with energy less than several meV are good probes for material research, and they have been available on large neutron facilities, whereas it is not commonly available on compact accelerator-driven neutron source. RIKEN Accelerator-driv
Autor:
Motoki Ooi, Kenichi Oikawa, Makoto Teshigawara, Hiroshi Takada, Yujiro Ikeda, Masahide Harada
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 1000:165252
This study explores high-energy neutron components of the extracted neutron beam at J-PARC pulsed neutron source using the foil activation method with threshold reactions. Foils of aluminum, gold, bismuth, niobium, and thulium were used to cover the
Measurements of neutronic characteristics of rectangular and cylindrical coupled hydrogen moderators
Publikováno v:
Journal of Nuclear Science and Technology. 55:283-289
Extensive simulation calculations were performed in the design studies of the coupled hydrogen moderator for the pulsed spallation neutron source of the Japan Proton Accelerator Research Facility (...