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Tungsten Alloy Development as Advanced Target Material for High-Power Proton Accelerator
/ Makimura, Shunsuke (KEK, Tsukuba ; J-PARC) ; Kurishita, Hiroaki (KEK, Tsukuba ; J-PARC) ; Niikura, Koichi (Kinzoku Giken, Ebina) ; Jung, Hun-Chea (Kinzoku Giken, Ebina) ; Onoi, Masahiro (Kinzoku Giken, Ebina) ; Nagasawa, Yutaka (Kinzoku Giken, Ebina) ; Ishida, Taku (KEK, Tsukuba ; J-PARC) ; Calviani, Marco (CERN) ; Torregrosa, Claudio (CERN) ; Descarrega, Josep B (CERN)
/RaDIATE Collaboration
Tungsten (W) is a principal candidate as target material because of its high density and extremely high melting point. W inherently has a critical disadvantage of its brittleness at around room temperature (low temperature brittleness), recrystallization embrittlement, and irradiation embrittlement. [...]
2020 - 5 p.
- Published in : JPS Conf. Proc.: 28 (2020) , no. 031002
Fulltext: PDF;
In : 14th International Workshop on Spallation Materials Technology, Fukushima, Japan, 11 - 17 Nov 2018
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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
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Acceleration Voltage Pattern for J-PARC RCS
/ Yamamoto, M (JAEA, Ibaraki) ; Anami, S (KEK, Tsukuba) ; Ezura, E (KEK, Tsukuba) ; Hara, K (KEK, Tsukuba) ; Hasegawa, K (JAEA, Ibaraki) ; Nomura, M (JAEA, Ibaraki) ; Ohmori, C (KEK, Tsukuba) ; Schnase, A (JAEA, Ibaraki) ; Takagi, A (KEK, Tsukuba) ; Tamura, F (JAEA, Ibaraki) et al.
2008 - 3 p.
External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.MOPC132
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J-PARC RCS Non-linear Frequency Sweep Analysis
/ Schnase, A (JAEA, Ibaraki) ; Anami, S (KEK, Tsukuba) ; Ezura, E (KEK, Tsukuba) ; Haga, K (JAEA, Ibaraki) ; Hara, K (KEK, Tsukuba) ; Hasegawa, K (JAEA, Ibaraki) ; Nomura, M (JAEA, Ibaraki) ; Ohmori, C (KEK, Tsukuba) ; Takagi, A (KEK, Tsukuba) ; Tamura, F (JAEA, Ibaraki) et al.
2008 - 3 p.
External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.MOPC120
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The Status of the J-PARC RF Systems
/ Yoshii, M (KEK, Tsukuba) ; Anami, S (KEK, Tsukuba) ; Ezura, E (KEK, Tsukuba) ; Haga, K (JAEA, Ibaraki) ; Hara, K (KEK, Tsukuba) ; Hasegawa, K (JAEA, Ibaraki) ; Nomura, M (JAEA, Ibaraki) ; Ohmori, C (KEK, Tsukuba) ; Schnase, A (JAEA, Ibaraki) ; Takagi, A (KEK, Tsukuba) et al.
2008 - 3 p.
External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.MOPC134
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Beam Acceleration with Full-digital LLRF Control System in the J-PARC RCS
/ Tamura, F (JAEA, Ibaraki) ; Anami, S (KEK, Tsukuba) ; Ezura, E (KEK, Tsukuba) ; Haga, K (JAEA, Ibaraki) ; Hara, K (KEK, Tsukuba) ; Hasegawa, K (JAEA, Ibaraki) ; Nomura, M (JAEA, Ibaraki) ; Ohmori, C (KEK, Tsukuba) ; Schnase, A (JAEA, Ibaraki) ; Takagi, A (KEK, Tsukuba) et al.
2008 - 3 p.
External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.MOPC126
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Radiation Level in the J-PARC Rapid Cycling Synchrotron after First Study
/ Yamamoto, K (JAEA, Ibaraki) ; Hayashi, N (JAEA, Ibaraki) ; Hiroki, S (JAEA, Ibaraki) ; Saeki, R (JAEA, Ibaraki) ; Satoh, K (KEK, Tsukuba) ; Tejima, M (KEK, Tsukuba) ; Toyama, T (JAEA, Ibaraki)
2008 - 3 p.
External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.MOPC133
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Possible Upgrade Scenario for J-PARC Ring RF
/ Ohmori, C (KEK, Tsukuba) ; Hara, K (KEK, Tsukuba) ; Hasegawa, K (JAEA, Ibaraki) ; Nomura, M (JAEA, Ibaraki) ; Schnase, A (JAEA, Ibaraki) ; Takagi, A (KEK, Tsukuba) ; Tamura, F (JAEA, Ibaraki) ; Toda, M (KEK, Tsukuba) ; Yamamoto, M (JAEA, Ibaraki) ; Yoshii, M (KEK, Tsukuba)
2008 - 3 p.
External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.MOPP104
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