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Neutron angular distribution in ($$gamma$$, n) reactions with linearly polarized $$gamma$$-ray beam generated by laser Compton scattering

Horikawa, Ken*; Miyamoto, Shuji*; Mochizuki, Takayasu*; Amano, So*; Li, D.*; Imasaki, Kazuo*; Izawa, Yasukazu*; Ogata, Kazuyuki*; Chiba, Satoshi*; Hayakawa, Takehito

It was predicted in 1950's, the neutron angular distribution in ($$gamma$$, n) reactions with a 100% linearly polarized $$gamma$$-ray beam should be anisotropic and described by a simple function of a + b sin$$^{2}$$$${theta}$$ at 90$$^{circ}$$ on the beam axis but it has not been experimentally confirmed for middle-heavy nuclides over than half a century. We have verified experimentally this angular distribution on $$^{197}$$Au, $$^{127}$$I, and natural Cu using linearly polarized laser Compton scattering $$gamma$$-rays at NewSUBARU.

Language

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English

Journal

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Physics Letters B

Volume

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737

Number

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Pages

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p.109 - 113

Publication Year/Month

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2014/10

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Patent information

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Paper URL

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https://doi.org/10.1016/j.physletb.2014.08.024

DOI for research data

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Keywords

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no keyword

Research Facility

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Press Release

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レーザーコンプトン散乱ガンマ線を用いて50年前に予言された光核反応理論を実証; 超新星ニュートリノ反応の解明や核セキュリティへの応用が期待される

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:73.11

Category:Astronomy & Astrophysics

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