Journal Article Spatial anisotropy of neutrons emitted from the 56Fe(γ , n)55Fe reaction with a linearly polarized γ -ray beam

Hayakawa, T.  ,  Shizuma, T.  ,  Miyamoto, S.  ,  Amano, S.  ,  Takemoto, A.  ,  Yamaguchi, M.  ,  Horikawa, K.  ,  Akimune, H.  ,  Chiba, S.  ,  Ogata, K.  ,  Fujiwara, M.

93 ( 4 )  , p.044313 , 2016-04
ISSN:0556-2813
Description
We have measured the azimuthal anisotropy of neutrons emitted from the 56Fe(γ,n)55Fe reaction with a linearly polarized γ -ray beam generated by laser Compton scattering at NewSUBARU. Neutron yields at the polar angleof 90◦ have been measured as a function of the azimuthal angle φ between the detector and the linear polarization plane of the γ -ray beam. The azimuthal anisotropy of neutrons measured at φ = 0◦, 10◦, 25◦, 45◦, 60◦, 70◦, and 90◦ has been well reproduced using a theoretically predicted function of a + b cos(2φ).

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