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Transverse asymmetry of $$gamma$$ rays from neutron-induced compound states of $$^{140}$$La

Yamamoto, Tomoki*; Okudaira, Takuya; Endo, Shunsuke   ; Fujioka, Hiroyuki*; Hirota, Katsuya*; Ino, Takashi*; Ishizaki, Kohei*; Kimura, Atsushi   ; Kitaguchi, Masaaki*; Koga, Jun*; Makise, So*; Niinomi, Yudai*; Oku, Takayuki   ; Sakai, Kenji ; Shima, Tatsushi*; Shimizu, Hirohiko*; Takada, Shusuke*; Tani, Yuika*; Yoshikawa, Hiromoto*; Yoshioka, Tamaki*

An sp-mixing model, which describes a compound nuclear reaction by mixing partial waves, predicts a correlation term in this reaction. The correlation term $$sigma_n$$ $$cdot$$ ($$k_n$$ $$times$$ $$k_gamma$$) in the $$^{139}$$La(n,$$gamma$$) reaction has been studied by measuring $$gamma$$-ray and neutron energies utilizing epithermal polarized neutrons and germanium detectors. The transverse asymmetry for single $$gamma$$-ray transition was measured to be 0.60 $$pm$$ 0.19 in the p-wave resonance.

Language

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English

Journal

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Physical Review C

Volume

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101

Number

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6

Pages

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p.064624_1 - 064624_8

Publication Year/Month

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2020/06

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Held date

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Location (city)

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Patent information

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PDF

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Paper URL

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https://doi.org/10.1103/PhysRevC.101.064624

DOI for research data

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Keywords

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中性子ビーム; 偏極中性子; 原子核反応

Research Facility

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J-PARC物質・生命科学実験施設  

Press Release

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中性子で迫る宇宙創成の謎; 大強度偏極熱外中性子で、原子核内での対称性の破れの増幅現象に迫る

Article of JAEA R&D Review

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Cooperating Institute

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Accesses

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- Accesses

InCites™

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Percentile:73.66

Category:Physics, Nuclear

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