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Featured researches published by Daisuke Satoh.


Archive | 2017

Progress of 7-GeV SuperKEKB Injector Linac Upgrade and Commissioning

K. Furukawa; M. Ikeda; Yoshio Arakida; Hiromitsu Nakajima; K. Kakihara; Fusashi Miyahara; Masanori Satoh; A. Shirakawa; Y. Ohnishi; Rui Zhang; H. Katagiri; Takuya Natsui; Dai Arakawa; Yoshiharu Yano; Toshiyasu Higo; M.Kurashina; Katsuhiko Mikawa; H. Matsushita; Y. Ogawa; T. Kamitani; Shuji Matsumoto; Tateru Takenaka; Yoshisato Funahashi; Atsushi Enomoto; Nobu Toge; Hiroshi Kaji; Maya Nishida; Hiroyasu Ego; Xiangyu Zhou; Masato Kawamura

KEK injector linac is being upgraded for the SuperKEKB project, which aims at a 40-fold increase in luminosity over the previous project KEKB. SuperKEKB asymmetric electron and positron collider with its extremely high luminosity requires a high current, low emittance and low energy spread injection beam from the injector. Electron beams will be generated by a new type of RF gun, that will inject a much higher beam current to correspond to a large stored beam current and a short lifetime in the storage ring. The positron source is another major challenge that enhances the positron bunch intensity from 1 to 4 nC by increasing the positron capture efficiency, and the positron beam emittance is reduced by introducing a damping ring, followed by the bunch compressor and energy compressor. The recent status of the upgrade and beam commissioning is reported.


Archive | 2014

SuperKEKB POSITRON SOURCE CONSTRUCTION STATUS

T. Kamitani; M. Akemoto; Dai Arakawa; Yoshio Arakida; A. Enomoto; Shigeki Fukuda; Y. Funakoshi; K. Furukawa; Toshiyasu Higo; Hiroyuki Honma; N. Iida; M. Ikeda; E. Kadokura; H. Kaji; K. Kakihara; H. Katagiri; M. Kikuchi; H. Koiso; M.Kurashina; S. Matsumoto; T. Matsumoto; H. Matsushita; S. Michizono; Katsuhiko Mikawa; T. Mimashi; T. Miura; Fusashi Miyahara; T. Mori; A. Morita; Hideo Nakajima


Archive | 2012

POSITRON INJECTOR LINAC UPGRADE FOR SUPERKEKB

T. Kamitani; M. Akemoto; Yoshio Arakida; Dai Arakawa; A. Enomoto; Shigeki Fukuda; K. Furukawa; Y. Higashi; Toshiyasu Higo; Hiroyuki Honma; N. Iida; M. Ikeda; E. Kadokura; K. Kakihara; H. Katagiri; M.Kurashina; H. Matsushita; S. Matsumoto; T. Matsumoto; S. Michizono; Katsuhiko Mikawa; Takako Miura; Fusashi Miyahara; T. Mori; Hideo Nakajima; K. Nakao; Takuya Natsui; S. Ohsawa; Y. Ogawa; M. Satoh


5th Int. Particle Accelerator Conf. (IPAC'14), Dresden, Germany, June 15-20, 2014 | 2014

UPGRADE STATUS OF INJECTOR LINAC FOR SuperKEKB

Takako Miura; M. Akemoto; Dai Arakawa; Yoshio Arakida; Atsushi Enomoto; Shigeki Fukuda; Y. Funakoshi; K. Furukawa; Toshiyasu Higo; Hiroyuki Honma; Ryo Ichimiya; N. Iida; M. Ikeda; E. Kadokura; Hiroshi Kaji; K. Kakihara; T. Kamitani; H. Katagiri; M.Kurashina; Shuji Matsumoto; T. Matsumoto; H. Matsushita; S. Michizono; Katsuhiko Mikawa; Fusashi Miyahara; Hiromitsu Nakajima; K. Nakao; Takuya Natsui; Y. Ogawa; Y. Ohnishi


7th Int. Particle Accelerator Conf. (IPAC'16), Busan, Korea, May 8-13, 2016 | 2016

Optimization of C-band RF Input Coupler as a Mode Converter for 20-K Cryocooled Photocathode RF Gun

T. Tanaka; Masafumi Fukuda; Manabu Inagaki; Ryoko Nagashima; Keisuke Nakao; Kyoko Nogami; Takeshi Sakai; Daisuke Satoh; Toshikazu Takatomi; Kento Takatsuka; Nobuhiro Terunuma; Junji Urakawa; Mitsuhiro Yoshida


7th Int. Particle Accelerator Conf. (IPAC'16), Busan, Korea, May 8-13, 2016 | 2016

Commissioning Status of SuperKEKB Injector Linac

Masanori Satoh; M. Akemoto; Dai Arakawa; Yoshio Arakida; Atsushi Enomoto; Yoshinori Enomoto; Shigeki Fukuda; Y. Funakoshi; K. Furukawa; Toshiyasu Higo; Hiroyuki Honma; N. Iida; M. Ikeda; Hiroshi Iwase; Hiroshi Kaji; K. Kakihara; T. Kamitani; H. Katagiri; Shingo Kazama; M. Kikuchi; H. Koiso; Shuji Matsumoto; T. Matsumoto; H. Matsushita; S. Michizono; Katsuhiko Mikawa; T. Mimashi; Takako Miura; Fusashi Miyahara; Takashi Mori


Archive | 2018

A photoconductive semiconductor switch driven ion beam injector for radiobiological experiments

Daisuke Satoh; Naoki Ikeda; Mitsuhiro Yoshida; Mitsuru Uesaka


Journal of Physics: Conference Series | 2017

Characterization of cold model cavity of cryocooled C-band 2.6-cell RF gun at 20 K

T. Tanaka; Keisuke Nakao; Toshikazu Takatomi; Nobuhiro Terunuma; Junji Urakawa; K. Nogami; K. Hayakawa; Takeshi Sakai; Daisuke Satoh; Masafumi Fukuda; Kento Takatsuka; Y. Hayakawa; Mitsuhiro Yoshida


28th Linear Accelerator Conf. (LINAC'16), East Lansing, MI, USA, 25-30 September 2016 | 2017

Low-Temperature Properties of 2.6-Cell Cryogenic C-Band RF-Gun Cold Model Cavity

Takeshi Sakai; Masafumi Fukuda; Manabu Inagaki; Keisuke Nakao; Kyoko Nogami; Daisuke Satoh; Toshikazu Takatomi; Kento Takatsuka; T. Tanaka; Nobuhiro Terunuma; Junji Urakawa; Mitsuhiro Yoshida


7th International Particle Accelerator Conference (IPAC'16), Busan, Korea, May 8-13, 2016 | 2016

Fiber Laser Development for Dielectric Laser-driven Accelerator and Electron Beam Source

Hayato Okamoto; Kazuyoshi Koyama; Shohei Otsuki; Daisuke Satoh; Tatsunori Shibuya; Mitsuru Uesaka; Mitsuhiro Yoshida

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