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CERN Document Server 6 notices trouvées  La recherche a duré 0.85 secondes. 
1.
Design Studies on a High-Power Wide-Band RF Combiner for Consolidation of the Driver Amplifier of the J-PARC RCS / Okita, Hidefumi (KEK, Tsukuba ; J-PARC) ; Hara, Keigo (KEK, Tsukuba ; J-PARC) ; Hasegawa, Katsushi (KEK, Tsukuba ; J-PARC) ; Nomura, Masahiro (KEK, Tsukuba ; J-PARC) ; Ohmori, Chihiro (KEK, Tsukuba ; J-PARC) ; Paoluzzi, Mauro (CERN) ; Shimada, Taihei (KEK, Tsukuba ; J-PARC) ; Sugiyama, Yasuyuki (KEK, Tsukuba ; J-PARC) ; Tamura, Fumihiko (KEK, Tsukuba ; J-PARC) ; Yamamoto, Masanobu (KEK, Tsukuba ; J-PARC) et al.
A power upgrade of the existing 8 kW solid-state driver amplifier is required for the acceleration of high intensity proton beams in the J-PARC 3 GeV rapid cycling synchrotron (RCS). The development of a 25 kW amplifier with gallium nitride (GaN) HEMTs and based on 6.4 kW modules is ongoing. [...]
2022 - 3 p. - Published in : JACoW IPAC 2022 (2022) 1333-1335 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.1333-1335
Notice détaillée - Notices similaires
2.
20-Year Collaboration on Synchrotron RF Between CERN and J-PARC / Ohmori, Chihiro (J-PARC) ; Brucoli, Matteo (CERN) ; Brugger, Markus (CERN) ; Damerau, Heiko (CERN) ; Danzeca, Salvatore (CERN) ; Hasegawa, Katsushi (J-PARC) ; Morita, Yuichi (J-PARC) ; Okita, Hidefumi (J-PARC) ; Paoluzzi, Mauro (CERN) ; Rossi, Carlo (CERN) et al.
in 2002, KEK/J-PARC and CERN started the collaboration on the RF systems of Low Energy Ion Ring to use magnetic alloy loaded cavities in 2002 for heavy ion collision program at LHC. It was an exchange of our expertise on the wideband cavities and high-power solid-state amplifiers. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 3130 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.3130
Notice détaillée - Notices similaires
3.
J-PARC Contributions to the LHC Injector Upgrade (LIU) Project / Ohmori, Chihiro (J-PARC) ; Paoluzzi, Mauro (CERN) ; Tamura, Fumihiko (J-PARC ; JAEA, Ibaraki) ; Hasegawa, Katsushi (J-PARC) ; Sugiyama, Yasuyuki (J-PARC) ; Shirakata, Masashi (J-PARC) ; Yoshii, Masahito (J-PARC)
The LHC Injector Upgrade (LIU) was launched in 2010 in synergy with the High Luminosity LHC (HL-LHC) project.^2) It includes the consolidation/upgrade of the PS Booster RF systems:^3,4) all the existing ferrite-loaded RF cavities are being replaced with wideband RF systems during the 2019–2020 long shut down. The magnetic-annealed cores improve the cavity performance and reduce the number of the straight sections for RF systems. [...]
2021 - 6 p. - Published in : JPS Conf. Proc. 33 (2021) 011006-1-011006-6 Fulltext: PDF;
In : J-PARC Symposium 2019, Tsukuba, Japan, 23 - 26 Sep 2019, pp.011006-1-011006-6
Notice détaillée - Notices similaires
4.
LIU (LHC入射器アップグレード)-RFの現状と CERNメイラン地区加速器の広帯域化 / Ohmori, Chihiro (KEK, Tsukuba) ; Poluzzi, Mauro (CERN) ; Tamura, Fumihiko (JAEA, Ibaraki) ; Hasegawa, Katsushi (KEK, Tsukuba) ; Sugiyama, Yasuyuki (KEK, Tsukuba) ; Yoshii, Masahito (KEK, Tsukuba)
We collaborate from 2012 for the LIU-LHC Injector Upgrade Project which is required for the HiLumi LHC. This paper summarize the status of LIU-RF collaboration based on a wideband cavity loaded with a magnetic alloy material. [...]
PASJ2017-TUOL01.- 2017 - 5 p. Fulltext: PDF; External link: Fulltext
In : 14th Annual Meeting of Particle Accelerator Society of Japan, Sapporo, Japan, 1 - 3 Aug 2017
Notice détaillée - Notices similaires
5.
Beam Test of the CERN PSB Wide-band RF System Prototype in the J-PARC MR / Tamura, Fumihiko (JAEA, Ibaraki ; KEK, Tsukuba) ; Hasegawa, Katsushi (JAEA, Ibaraki ; KEK, Tsukuba) ; Ohmori, Chihiro (JAEA, Ibaraki ; KEK, Tsukuba) ; Yoshii, Masahito (JAEA, Ibaraki ; KEK, Tsukuba) ; Paoluzzi, Mauro (CERN)
In the framework of the LHC Injectors Upgrade project (LIU), a complete replacement of the existing narrow-band rf systems of CERN PSB with wide-band magnetic alloy (MA) loaded rf systems is in progress. A single gap MA loaded rf system prototype, which uses solid-state power amplifier and includes fast rf feedback for beam loading compensation, has been installed in the J-PARC MR to investigate the system behavior with high intensity proton beams. [...]
2014 - 3 p. - Published in : , pp. THPME065 Fulltext: PDF; External link: Published version from JACoW
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.THPME065
Notice détaillée - Notices similaires
6.
New Cutting Scheme of Magnetic Alloy Cores for J-PARC Synchrotrons / Ohmori, Chihiro (KEK, Ibaraki) ; Anami, Shozo (KEK, Ibaraki) ; Ezura, Eizi (KEK, Ibaraki) ; Funahashi, Yoshisato (KEK, Ibaraki) ; Hara, Keigo (KEK, Ibaraki) ; Hasegawa, Katsushi (KEK, Ibaraki) ; Morita, Yuichi (ICEPP, Tokyo) ; Nomura, Masahiro (JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken) ; Schnase, Alexander (JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken) ; Takagi, Akira (KEK, Ibaraki) et al.
2006 - 3 p. External link: Published version from JACoW
In : 10th European Particle Accelerator Conference, Edinburgh, UK, 26 - 30 Jun 2006, pp.1313
Notice détaillée - Notices similaires

Voir aussi: noms d'auteurs similaires
125 Hasegawa, K
2 Hasegawa, K I
9 Hasegawa, K.
1 Hasegawa, Katsuo
5 Hasegawa, Kazuo
3 Hasegawa, Kazuya
3 Hasegawa, Keisuke
3 Hasegawa, Keizo
13 Hasegawa, Kenji
1 Hasegawa, Koji
2 Hasegawa, Kouhei
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