18-22 October 2021
Matsue, Shimane Prefecture, Japan
Asia/Tokyo timezone

T-violation in neutron scattering

21 Oct 2021, 11:30
30m
Matsue, Shimane Prefecture, Japan

Matsue, Shimane Prefecture, Japan

Matsue City, Shimane Prefecture, Japan
Plenary Presentation (by invitation only) Plenary presentations Plenary Presentations

Speaker

Masaaki Kitaguchi (Nagoya University)

Description

The fundamental symmetry violation can be studied by using nuclear reactions with polarized neutrons beam and target nuclei. The large enhancement of the parity violation was observed in the neutron capture reactions for some nuclei. It is predicted that time reversal symmetry violation is also enhanced with the same mechanism. Our recent results of 139La(n, γ) reaction suggested that the enhancement is large enough to search T-violation with high sensitivity, which can be reach to the sensitivity of neutron electric dipole moment and which has different systematics. We are performing the research and development for the T-violation search experiment at J-PARC, for example, details of nuclear reactions with candidate nuclei and that of experimental setup. We are also developing the polarization technique for both of neutron beam and target nuclei, so-called spin exchange optical pumping and dynamic nuclear polarization, respectively.

Primary authors

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