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: F07.00005 : Development of the solid deuteron target for measuring the gamma-decay probability of the 3-1 state in 12C with deuteron inelastic scattering
10:15 AM–10:30 AM
Presenter:
Yuya Honda
(Department of Physics, School of Science, Osaka University)
Authors:
Yuya Honda
(Department of Physics, School of Science, Osaka University)
Takahiro Kawabata
(Department of Physics, School of Science, Osaka University)
Yohei Matsuda
(Department of Physics, School of Science and Engineering, Konan University)
Tatsuya Furuno
(Department of Physics, School of Science, Osaka University)
Kosuke sakanashi
(Department of Physics, School of Science, Osaka University)
Motoki Murata
(RCNP, Osaka University)
Shintaro Okamoto
(Department of Physics, School of Science, Kyoto University)
Yuki FUJIKAWA
(Department of Physics, School of Science, Kyoto University)
Kenjiro Miki
(Department of Physics, School of Science, Tohoku University)
Koki Kameya
(Department of Physics, School of Science, Tohoku University)
Ren Urayama
(Department of Physics, School of Science, Tohoku University)
Masatoshi Itoh
(CYRIC, Tohoku University)
Satoshi Adachi
(CYRIC, Tohoku University)
Shohei Yonekura
(CYRIC, Tohoku University)
Shumpei Yamazaki
(CYRIC, Tohoku University)
Genki Hosoya
(CYRIC, Tohoku University)
In this study, we aim to precisely determine the radiative-decay probability of the 3-1 state through simultaneous measurement of the scattered 12C and the recoil deuteron emitted from the inelastic deuteron scattering under inverse kinematics conditions. We have already conducted a simulation study to search for the optimum experimental condition. We considered utilizing solid deuterium, which offers a high S/N ratio, as a deuteron target. The target should have a certain surface area to avoid backgrounds due to beam halo. Additionally, from the perspective of angular resolution of recoiled deuterons, it is necessary to have a thin target thickness. Therefore, we have undertaken the challenge of developing a thin and large-area solid deuterium target with dimensions of about 15 mm × 15 mm and a thickness of 0.5 mm. Because the solid deuterium might melt due to heating by the beam, we have examined the maximum beam intensity that the solid deuterium target can withstand using the heat conduction equation. In this talk, we will report on the current status of our development efforts.
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