Bulletin of the American Physical Society
6th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Sunday–Friday, November 26–December 1 2023; Hawaii, the Big Island
Session F07: Instrumentation: Targets and Sources
9:00 AM–11:30 AM,
Thursday, November 30, 2023
Hilton Waikoloa Village
Room: Queens 6
Chair: Rebecca Toomey, Lawrence Livermore National Laboratory
Abstract: F07.00004 : Cryogenic hydrogen gas target for a high-intensity monoenergetic neutron source*
10:00 AM–10:15 AM
Presenter:
Shumpei Yamazaki
(CYRIC, Tohoku University)
Authors:
Shumpei Yamazaki
(CYRIC, Tohoku University)
Masatoshi Itoh
(CYRIC, Tohoku University)
Satoshi Adachi
(CYRIC, Tohoku University)
Shohei Yonekura
(CYRIC, Tohoku University)
Genki Hosoya
(CYRIC, Tohoku University)
Ryota Saito
(CYRIC, Tohoku University)
Takahiro Kawabata
(Department of Physics, Osaka University)
In order to obtain a high-intensity monoenergetic neutron beam, we developed a cryogenic hydrogen gas target. The hydrogen gas is cooled to below 77K by a GM refrigerator and the target temperature is monitored by thermocouples. We performed a thermal test of the cryogenic target with heaters to simulate the primary beam energy loss, so that we confirmed the target withstands the beam heat load. We also conducted a performance test with an actual beam at CYRIC in Tohoku University. We measured the monoenergetic neutron intensity and the energy spectrum by the time of flight method. I will report on the development of the gas target and the results of performance tests.
*This work was supported by JSPS KAKENHIs Grant No. JP20H01908 and partly by JSPS KAKENHI Grant No. JP19H05604.
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