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Volume 294 - The 3rd International Symposium on “Quest for the Origin of Particles and the Universe" (KMI2017) - Poster Presentations
Measurement of angular correlation of (n,gamma) reaction with polarized neutrons
T. Yamamoto,* H. M.Shimizu, M. Kitaguchi, K. Hirota, T. Okudaira, S. Takada, A. Okada, T. Yoshioka, T. Ino, K. Sakai, K. Asahi, T. Momose, T. Iwata, M. Hino, T. Shima, Y. Yamagata
*corresponding author
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Pre-published on: 2017 November 22
Published on: 2017 November 24
Large enhanced P violation in a nuclear resonance reaction has been observed by using a polarized neutron beam. Enhanced CP violation is predicted to exist within the same nuclear reaction. We are now preparing to supply a polarized neutron beam for a CP violation search experiment. In the enhancement process of CP violation, we assume that the P violation of the compound nuclear state doesn’t depend on the final state. However this assumption has not been verified yet. We plan to verify the assumption by measuring the $^{139}\rm La$(n,$\gamma$) reaction with a polarized neutron beam at J-PARC MLF BL04. The supplied neutron beam will be polarized by using $^{3}$He spin filter, which will be installed into BL04. We present the states of development for $^{3}$He spin filter and study of the equipment in BL04.
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