Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Masaki Tejima"'
Autor:
Katsushi Hasegawa, Yoshitugu Arakaki, Shuei Yamada, Masanobu Yamamoto, Kenichirou Satou, Yasuyuki Sugiyama, Katsuya Okamura, Tetsushi Shimogawa, Yoichiro Hori, Yoshinori Kurimoto, Kazuki Miura, Takeshi Toyama, Kazuhito Ohmi, Eiichi Yanaoka, Masayuki Shimamoto, Yoichi Sato, T. Koseki, Takao Oogoe, Takuro Kimura, Masashi Okada, Takeshi Nakamura, Masahito Tomizawa, Masaki Tejima, Masashi Shirakata, Aine Kobayashi, Takuya Sugimoto, Masahiko Uota, Tatsunobu Shibata, Masashi Furusawa, Fujio Naito, Masahiro Nomura, Shigeru Murasugi, Chihiro Ohmori, Yoshinori Hashimoto, Ryotaro Muto, Susumu Igarashi, Yuichi Morita, Kazuaki Niki, Yoshihiro Sato, Asato Orii, Keigo Hara, Koji Ishii, Noriyuki Matsumoto, Masahito Yoshii, Hideaki Hotchi, Fumihiko Tamura, Kenichi Sato, Norihiko Kamikubota, Taihei Shimada, Noboru Yamamoto, Kotomi Kadowaki, Jumpei Takano, Chikashi Kubota, Yoichi Takiyama
Publikováno v:
Progress of Theoretical and Experimental Physics. 2021
The J-PARC Main Ring (MR) has supplied the high-intensity proton beam for the T2K long-baseline neutrino experiment since 2010. The present beam power is 510 kW and the total number of protons on the target reaches $3.64\times10^{21}$. To observe cha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3d5be32b3e5fd6549da002a7042f4ff
https://doi.org/10.1093/ptep/ptab011
https://doi.org/10.1093/ptep/ptab011
Autor:
Naoki Hayashi, R. Saeki, R. Toyokawa, Seongsu Lee, Takeshi Toyama, Y. Teruyama, S. Hatakeyama, M. Kawase, Dai Arakawa, S. Hiroki, Shigenori Hiramatsu, Hiroki Takahashi, Masaki Tejima, Kenichirou Satou
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 677:94-106
The J-PARC RCS is a 25 Hz Rapid-Cycling proton Synchrotron and its designed beam power is 1 MW. The beam position monitor (BPM) system at J-PARC RCS is described in this paper. The pre-defined diameter of the BPM detectors is larger than 250 mm, howe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebf3a2199f924cb96969c9d9416642d0
https://doi.org/10.1016/j.nima.2012.02.013
https://doi.org/10.1016/j.nima.2012.02.013
Autor:
Tadashi Koseki, Masaki Tejima, Masashi Shirakata, Yoshinori Hashimoto, Shin-ichi Meigo, Susumu Igarashi, Fumihiko Tamura, Hiroyuki Harada, Yoichi Sato
Publikováno v:
Proceedings of the 2nd International Symposium on Science at J-PARC — Unlocking the Mysteries of Life, Matter and the Universe —.
The Japan Proton Accelerator Research Complex (J-PARC) 3-50 Beam Transport line (3-50BT) is a beam transport line from 3-GeV rapid-cycling synchrotron (RCS) to 50-GeV main ring (MR). The RCS is a high-intensity proton accelerator, where the designed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac0170b1085b774a7c77e50e3847b6af
https://doi.org/10.7566/jpscp.8.012010
https://doi.org/10.7566/jpscp.8.012010
Autor:
Toshiyuki Mitsuhashi, Toshihiro Mimashi, H. Mizuno, M. Arinaga, Eiji Kikutani, Hitomi Ikeda, Masaki Tejima, Makoto Tobiyama, K. Mori, Shigenori Hiramatsu, Hitoshi Ishii, T. Ieiri, J.W. Flanagan
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 499:100-137
For the stable high-luminosity operation and luminosity increase, the electron and positron storage rings of the KEK B-Factory (KEKB) is equipped with various beam instrumentations, which have been working well since the start of the commissioning in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea0d3aaaa4f74f6dfbbbcec503d0f82d
https://doi.org/10.1016/s0168-9002(02)01783-7
https://doi.org/10.1016/s0168-9002(02)01783-7
Autor:
Minoru Yoshida, Shigenori Hiramatsu, E. Perevedentsev, Shigeki Kato, Katsunobu Oide, Naoko Iida, Eiji Kikutani, Tatsuro Nakamura, Masafumi Tawada, Toshihiro Matsumoto, Mitsuo Kikuchi, Y. Wu, Masaaki Suetake, Kazuhito Ohmi, S. Uno, Noboru Yamamoto, Tsuyoshi Suwada, J. Haba, Toshiyuki Mitsuhashi, Takuya Kamitani, S. Yoshimoto, S. Kamada, Atsushi Enomoto, Kenji Hosoyama, Kazunori Akai, Shin-ichi Kurokawa, Kazuro Furukawa, Hitomi Ikeda, Yukiyoshi Ohnishi, Frank Zimmermann, N. Akasaka, J.W. Flanagan, Makoto Tobiyama, Yujiro Ogawa, Yoshihiro Funakoshi, Mika Masuzawa, Norihito Ohuchi, T. Ieiri, Satoshi Ohsawa, Masakazu Yoshioka, H. Fukuma, Toshihiro Mimashi, Yusuke Suetsugu, Haruyo Koiso, Masaki Tejima, Kotaro Satoh, Takaaki Furuya
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 499:191-227
KEKB has been operated since December, 1998, to deliver BB pairs for a physics detector. In this paper,we describe the commissioning procedure of KEKB.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d42b80ec95627d88b6d055dbcf2714d4
https://doi.org/10.1016/s0168-9002(02)01788-6
https://doi.org/10.1016/s0168-9002(02)01788-6
Publikováno v:
Geographical Review of Japa,. Ser. A, Chirigaku Hyoron. 70:92-107
The simplest expression of the urban surface is alternation of buildings and streets. The space above a street between buildings is called an urban canyon. Air circulation in an urban canyon, which affects the behavior of air pollutants emitted by mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69563bbf24d064298d001a052d25075e
https://doi.org/10.4157/grj1984a.70.2_92
https://doi.org/10.4157/grj1984a.70.2_92
Autor:
Masahiko Uota, Yong Ho Chin, Hidetoshi Nakagawa, Katsushi Hasegawa, Shuichiro Hatakeyama, Kenichi Sato, Alexander Molodozhentsev, Yuichi Morita, Tadashi Koseki, Masanobu Yamamoto, Yoshitugu Arakaki, Masaki Tejima, Fujio Naito, Fumihiko Tamura, Takuya Sugimoto, H. Someya, Shuei Yamada, Yoichiro Hori, Yoshinori Kurimoto, Kenichirou Satou, Takeshi Toyama, Norihiko Kamikubota, Kuanjyun Fan, Susumu Igarashi, Yuu Kuniyasu, Hiroyuki Harada, Masashi Shirakata, Alexander Schnase, Eiichi Yanaoka, T. Oogoe, Kazuhito Ohmi, Chihiro Ohmori, Hiroshi Matsumoto, Tetsushi Shimogawa, Takuro Kimura, Yoichi Sato, Chikashi Kubota, Makoto Toda, Ryotaro Muto, Noboru Yamamoto, Yasuhiro Takeda, Shu Nakamura, Kazufumi Ooya, Masahito Tomizawa, Katsuya Okamura, Masahito Yoshii, Yoshinori Hashimoto, Yoshihiro Sato, K. Koseki, Seishu Lee, Junpei Takano, Yoichi Takiyama, Shigeru Murasugi, Kazuaki Niki, Keigo Hara, Koji Ishii, Masahiro Nomura, Masashi Okada, Taihei Shimada, Masayuki Shimamoto, Hideaki Hotchi
Publikováno v:
Progress of Theoretical and Experimental Physics. 2012
The slow cycling main ring synchrotron (MR) is located the furthest downstream in the J-PARC accelerator cascade. It became available for user operation in 2009 and provides high-intensity 30 GeV proton beams for various experiments on particle and n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfd548323b04dbd7c760decd4bcce041
https://doi.org/10.1093/ptep/pts071
https://doi.org/10.1093/ptep/pts071
Autor:
Haruyo Koiso, Masaki Tejima, K. Ohmi, J.W. Flanagan, Mika Masuzawa, Makoto Tobiyama, T. Ieiri, Y. Funakoshi, Katsunobu Oide, Masafumi Tawada
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 10, Iss 10, p 101001 (2007)
An orbit feedback system around the interaction point (IP) has been developed and successfully employed at KEKB for more than 6 years. The purpose of the system is to maintain an optimum geometrical relationship of orbits of two beams at the IP and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dfd69ca0913e088a4ab9db02bd45f4a6
https://doaj.org/article/b0697dd21a6542689103a75f7ad84a6a
https://doaj.org/article/b0697dd21a6542689103a75f7ad84a6a
Autor:
H. Nakanishi, Tadayuki Takahashi, Tatsuya Kageyama, Yoichi Sato, M. Tadano, Yukinori Kobayashi, Toshiyuki Mitsuhashi, Kentaro Harada, S. Isagawa, K. Umemori, Weixing Cheng, Kimichika Tsuchiya, T. Ieiri, Akira Ueda, Tatsuro Nakamura, Hiroshi Sakai, K. Kudo, Katsunobu Oide, Masaaki Izawa, Masaki Tejima, Mitsuo Kikuchi, H. Sasaki, Masaaki Ono, M. Yoshida, S. Takasaki, Tsukasa Miyajima, Kaiichi Haga, Tohru Honda, Y. Sakamoto, Hideki Maezawa, S. Sakanaka, Takashi Nogami, H. Miyauchi, A. Mishina, Toshiyuki Ozaki, Tatsuro Shioya, Shigeru Yamamoto, Takashi Uchiyama, C. O. Pak, Shinya Nagahashi, Seiji Asaoka, Yasunori Tanimoto, Takashi Obina, T. Kasuga, S. Yoshimoto
Publikováno v:
2007 IEEE Particle Accelerator Conference (PAC).
The present operational status of the Photon Factory storage ring (PF-ring) and the Photon Factory advanced ring (PF-AR) in KEK is reported. The scheduled user times of them were more than 4000 hours in FY2006. In the last summer shutdown, new undula
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5c92924a41b92459a6e27ea0f72c507
https://doi.org/10.1109/pac.2007.4440968
https://doi.org/10.1109/pac.2007.4440968
Autor:
Shigenori Hiramatsu, Yusuke Suetsugu, Masaki Tejima, Hitoshi Fukuma, Makoto Tobiyama, Kyo Shibata
Publikováno v:
2007 IEEE Particle Accelerator Conference (PAC).
The longitudinal impedance of KEK B-factory (KEKB) button-type beam position monitors (BPMs) was recalculated by MAFIA in preparation for a future plan to increase the beam current. The diameter and the gap of the button electrode were 12 mm and 1 mm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29c35fc2ec12c69e55e603a5d1cc1876
https://doi.org/10.1109/pac.2007.4439957
https://doi.org/10.1109/pac.2007.4439957