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CERN Document Server 找到 16 筆記錄  1 - 10下一個  跳到記錄: 檢索需時 1.18 秒. 
1.
Commissioning of the cryogenic hydrogen system in J-PARC: Preliminary operation by helium gas / Aso, T (JAEA, Ibaraki) ; Tatsumoto, H (JAEA, Ibaraki) ; Hasegawa, S (JAEA, Ibaraki) ; Ohtsu, K (JAEA, Ibaraki) ; Uehara, T (JAEA, Ibaraki) ; Kawakami, Y (JAEA, Ibaraki) ; Sakurayama, H (JAEA, Ibaraki) ; Maekawa, F (JAEA, Ibaraki) ; Futakawa, M (JAEA, Ibaraki) ; Ushijima, I (Taiyo Nippon Sanso co.)
A cryogenic hydrogen circulation system to cool the moderators for the spallation neutron source in J-PARC has been constructed. This system provides supercritical hydrogen at the temperature of 20 K and the pressure of 1.5 MPa to three moderators and absorbs nuclear heating produced in the moderators. [...]
2009 - 6 p. - Published in : (2009) , pp. 741-746 Fulltext: PDF;
In : 22nd International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2008, Seoul, Republic of Korea, 21 - 25 Jul 2008, pp.741-746
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2.
Commissioning of the cryogenic hydrogen system in J-PARC: first cool-down operation with helium / Tatsumoto, H (JAEA, Ibaraki) ; Aso, T (JAEA, Ibaraki) ; Kato, T (JAEA, Ibaraki) ; Ohtsu, K (JAEA, Ibaraki) ; Hasegawa, S (JAEA, Ibaraki) ; Maekawa, F (JAEA, Ibaraki) ; Futakawa, M (JAEA, Ibaraki)
In J-PARC, an intense spallation neutron source (JSNS) driven by a 1-MW proton beam has been constructed. A cryogenic hydrogen system, which provides supercritical hydrogen at the temperature of around 20 K and the pressure of 1.5 MPa to the moderators and absorbs nuclear heating in the moderators, has been completed in November 2007 and the commissioning has been started. [...]
2009 - 5 p. - Published in : (2009) , pp. 717-722 Fulltext: PDF;
In : 22nd International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2008, Seoul, Republic of Korea, 21 - 25 Jul 2008, pp.717-722
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3.
Performance test of a helium refrigerator for the cryogenic hydrogen system in J-PARC / Tatsumoto, H (JAEA, Ibaraki) ; Aso, T (JAEA, Ibaraki) ; Kato, T (JAEA, Ibaraki) ; Ohtsu, K (JAEA, Ibaraki) ; Hasegawa, S (JAEA, Ibaraki) ; Maekawa, F (JAEA, Ibaraki) ; Futakawa, M (JAEA, Ibaraki)
In J-PARC, a cryogenic hydrogen system, which plays a role in providing supercritical hydrogen with a pressure of 1.5 MPa and a temperature of 20 K to three moderators, has been designed. The performance test of the helium refrigeration system that is a part of the cryogenic hydrogen system was conducted independently. [...]
2009 - 6 p. - Published in : (2009) , pp. 711-716 Fulltext: PDF;
In : 22nd International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2008, Seoul, Republic of Korea, 21 - 25 Jul 2008, pp.711-716
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4.
Shielding design study for the JAERI/KEK spallation neutron source / Maekawa, F
2000
In : 15th Meeting of the International Collaboration on Advanced Neutron Sources, v.1, Tsukuba, Japan, 6 - 9 Nov 2000, pp.907-916
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5.
Analysis of the AGS experiment on a mercury target with a moderator and a lead reflector bombarded by GeV energy protons / Maekawa, F ; Ikeda, Y ; Ino, T ; Kasugai, Y ; Meigo, S ; Niita, K ; Sato, S ; Takada, H
2000
In : 15th Meeting of the International Collaboration on Advanced Neutron Sources, v.1, Tsukuba, Japan, 6 - 9 Nov 2000, pp.983-992
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6.
Measurement of induced radioactivity in a spallation neutron field of a mercury target for GeV-proton bombardment / Kasugai, Y ; Glasgow, D ; Ikeda, Y ; Ino, T ; Jerde, E ; Kawai, M ; Maekawa, F ; Nakashima, H ; Sakata, H ; Takada, H
2000
In : 15th Meeting of the International Collaboration on Advanced Neutron Sources, v.1, Tsukuba, Japan, 6 - 9 Nov 2000, pp.955-963
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7.
Measurement of spectrum for thermal neutrons produced from H2O moderator coupled with mercury target / Meigo, S ; Ikeda, Y ; Ino, T ; Kasugai, Y ; Maekawa, F ; Nakashima, H ; Sato, S ; Watanabe, N
2000
In : 15th Meeting of the International Collaboration on Advanced Neutron Sources, v.1, Tsukuba, Japan, 6 - 9 Nov 2000, pp.941-954
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8.
Study on bulk shielding for a spallation neutron source facility in the high-intensity proton accelerator project / Maekawa, F
Under the JAERI-KEK High-Intensity Proton Accelerator Project, a spallation neutron source driven by a 3 GeV-1 MW proton beam is planed to be constructed in a main part of the Materials and Life Science Facility. [...]
JAERI-TECH-2002-035. - 2002. - 76 p.
fulltext
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9.
Simulation for developing new pulse neutron spectrometers I. Creation of new McStas components of moderators of JSNS / Tamura, I ; Aizawa, K ; Arai, M ; Harada, M ; Maekawa, F ; Shibata, K ; Soyama, K
Moderators components of the McStas code have been created for the design of JSNS instruments. [...]
JAERI-RESEARCH-2003-008. - 2003. - 42 p.
fulltext
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10.
3-dimensional shielding design for a spallation neutron source facility in the high-intensity proton accelerator project / Tamura, M
Evaluation of shielding performance for a 1 MW spallation neutron source facility in the Materials and Life Science Facility being constructed in the High-Intensity Proton Accelerator Project (J-PARC) is important from a viewpoint of radiation safety and optimization of arrangement of components. [...]
JAERI-TECH-2003-010. - 2003. - 62 p.
fulltext
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