EPJ Web Conf.
Volume 219, 2019International Workshop on Particle Physics at Neutron Sources (PPNS 2018)
|Number of page(s)||4|
|Section||Searches for Time-Reversal-Violation in Nuclei|
|Published online||12 December 2019|
Measurement of the angular distribution of γ-rays emitted from the compound state after neutron capture by 81Br for a search of T-violation
1 Department of Physics, Nagoya University, Furocho, Chikusa, Nagoya, Aichi, 464–8601, Japan
2 Kobayashi-Maskawa Institute, Nagoya University, Furocho, Chikusa, Nagoya, Aichi, 464–8601, Japan
3 Research Center of Advanced Particle Physics, Kyushu University, 744 Motooka, Nishi, Fukuoka, Fukuoka 819–0395, Japan
4 Department of Physics, Kyushu University, 744 Motooka, Nishi, Fukuoka, Fukuoka 819–0395, Japan
5 J-PARC center, Japan Atomic Energy Agency, Tokai, Ibaraki 319–1184, Japan
6 Nuclear Science and Engineering Directorate, Japan Atomic Energy Agency, Tokai, Ibaraki 319–1184, Japan
7 Institute of Material Structure Science, High Energy Accelerator Organization (KEK), Oho 1-1, Tsukuba, Ibaraki 305-0801, Japan
a e-mail: firstname.lastname@example.org
Published online: 12 December 2019
It is known that parity violation can be enhanced in compound nuclei due to mixing of s- and p-waves, and it is suggested that time reversal invariance (T) violation is enhanced by the same mechanism. We are planing a T-violation search using compound nuclei produced in neutron capture reactions. Although 81Br is one of the candidate target nuclei, its sensitivity to T-violation has not yet been determined. For an estimate of the latter, a measurement of the angular distribution of γ-rays emitted in the 81Br(n,γ) reaction was carried out in November 2017, of which we report first results.
© The Authors, published by EDP Sciences, 2019
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