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arXiv · 1108.3409

The γ-ray production in neutral-current neutrino oxygen interaction in the energy range above 100 MeV

T. Mori·R. Yamaguchi·M. Sakuda·A. M. Ankowski·O. Benhar
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Abstract

We calculate the cross section of the gamma-ray production from neutral-current neutrino-oxygen quasi-elastic interaction, $ν+\^{16}O \rightarrow ν+p+^{15}N*$, or $ν+^{16}O \rightarrow ν+n+^{15}O*$, in which the residual nuclei (15N* or 15O*) lead to the gamma-ray emission with gamma-ray energy >6 MeV at the branching ratio of 41%. Above 200 MeV, this cross section dominates over that of gamma-ray production from the inelastic reaction, $ν+^{16}O->ν+^{16}O*$. In the present calculation, spectral function and the spectroscopic factors of $1p_{1/2}, 1p_{3/2} and 1s_{1/2}$ states are essential. The gamma-ray production is dominated by the deexcitation of $1p_{3/2}$ state of the residual nucleus.

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T. Mori, R. Yamaguchi, M. Sakuda, A. M. Ankowski, O. Benhar. 2011-08-17. The γ-ray production in neutral-current neutrino oxygen interaction in the energy range above 100 MeV. https://doi.org/10.1063/1.3661571

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