Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Kabe, Atsushi"'
Autor:
Kobayashi, Tetsuya, Akai, Kazunori, Deguchi, Hisakuni, Hayashi, Kazutaka, Hirosawa, Kouki, Kabe, Atsushi, Mizuno, Junichi, Nakanishi, Kota, Nishiwaki, Michiru, Odagiri, Jun-Ichi
For SuperKEKB, new low level RF (LLRF) control systems has ben developed and they worked successfully in the first beam commissioning (Phase-1) of SuperKEKB, which was accomplished in 2016. Damping ring (DR) was newly constructed for positron beam in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f5723a6b81a5e6b57ea3ccce0115af5
Autor:
Kobayashi, Tetsuya, Akai, Kazunori, Ebihara, Kiyokazu, Hirosawa, Kouki, Kabe, Atsushi, Nakanishi, Kota, Nishiwaki, Michiru, Odagiri, Jun-Ichi, Yoshimoto, Shin-Ichi
First beam commissioning of SuperKEKB (Phase-1), which had started in February 2016 and continued until the end of June, has been successfully accomplished. Target beam current for Phase-1 needed for sufficient vacuum scrubbing was achieved in both 7
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f52be79e8e9566f1a96fded1e449edd
Autor:
Morita, Yoshiyuki, Akai, Kazunori, Furuya, Takaaki, Kabe, Atsushi, Mitsunobu, Shinji, Nishiwaki, Michiru
The Q factors of the eight superconducting accelerating cavities gradually degraded during the long-term operation of the KEKB accelerator. Since we will re-use those SRF cavities for the SuperKEKB, the performance degradation will be a serious probl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0dc79f5f6b2c9b166a5ca7b399bd9796
Autor:
Nishiwaki, Michiru, Akai, Kazunori, Furuya, Takaaki, Kabe, Atsushi, Mitsunobu, Shinji, Morita, Yoshiyuki
Upgrade works for SuperKEKB is in the final stage and the commissioning operation will start in this JFY. Eight superconducting accelerating cavities were operated for more than ten years at KEKB electron ring and are to be used at SuperKEKB. The cav
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a656c044ab600da03eeaf5667027ea00
Autor:
Kobayashi, Tetsuya, Akai, Kazunori, Deguchi, Hisakuni, Ebihara, Kiyokazu, Hayashi, Kazutaka, Iwaki, Takashi, Kabe, Atsushi, Nakanishi, Kota, Nishiwaki, Michiru, Odagiri, Jun-Ichi, Ryoshi, Masatsugu
Beam commissioning of the SuperKEKB will be started in JFY2015. A new LLRF control system, which is an FPGA-based digital RF feedback control system on the MicroTCA platform, has been developed for high current beam operation of the SuperKEKB. The ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ac1b511e401f34b567418b074bab87a
Autor:
Kobayashi, Tetsuya, Akai, Kazunori, Deguchi, Hisakuni, Ebihara, Kiyokazu, Hayashi, Kazutaka, Iwaki, Takashi, Kabe, Atsushi, Nakanishi, Kota, Nishiwaki, Michiru, Odagiri, Jun-Ichi, Ryoshi, Masatsugu
Beam commissioning of the SuperKEKB will be started in 2015. A new LLRF control system, which is an FPGA-based digital RF feedback control system on the MicroTCA platform, has been developed to satisfy the requirement for high current beam operation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05bcc0939b3eee424bab2aa273acc490
Autor:
Morita, Yoshiyuki, Akai, Kazunori, Furuya, Takaaki, Kabe, Atsushi, Mitsunobu, Shinji, Nishiwaki, Michiru, Takano, Susumu
Eight superconducting accelerating cavities have been stably operated in the KEKB with sufficiently low trip rates. Two superconducting crab cavities were installed in 2007 and soon the crab crossing operation started. Recently the KEKB luminosity re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::abfd0e0f5c699e21dbb7753c33ad8cd3
Autor:
Fujita, Takahiro, Akai, Kazunori, Ebihara, Kiyokazu, Furuya, Takaaki, Hanaki, Hirofumi, Hara, Kazufumi, Honma, Teruya, Hosoyama, Kenji, Kabe, Atsushi, Kojima, Yuuji, Matsuoka, Masanori, Mitsunobu, Shinji, Monde, Masatsugu, Morita, Yoshiyuki, Nakai, Hirotaka, Nakanishi, Kota, Nakazato, Toshiharu, Ono, Masaaki, Sennyu, Katsuya, Yamamoto, Yasuchika, Yanagisawa, Takeshi
We have been developing a system to generate a short pulse X-ray using crab cavities at SPring-8 Storage Ring. The ring holds 30-m long straight sections and the vertical beam size at the center of the straight sections is 6.5 micrometers in standard
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::286ba3cc16b7519f259ac09a6bc92d42
Hydrogen absorbed in niobium was measured using effect of hydrogen Q-degradation. A niobium cavity was designed and manufactured for this experiment. Hydrogen was introduced from outside of the cavity by electrolysis of diluted sulfuric acid on the o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52c1a9605332837fbffbd9676af91608
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