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Volume 294 - The 3rd International Symposium on “Quest for the Origin of Particles and the Universe" (KMI2017) - Poster Presentations
Comparison of $\gamma$ production from thermal neutron capture of gadolinium with the MonteCarlo simulation
K. Hagiwara,* T. Tanaka, P. K. Das, T. Yano, Y. Yamada, I. Ou, T. Mori, T. Kayano, M. S. Reen, R. Dhir, Y. Koshio, M. Sakuda, A. Kimura, S. Nakamura, N. Iwamoto, H. Harada
*corresponding author
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Pre-published on: 2017 November 22
Published on: 2017 November 24
Abstract
The $\gamma$-ray spectrum produced from the thermal neutron capture on enriched gadolinium targets ($^{155}$Gd and $^{157}$Gd) were measured using the ANNRI Germanium Spectrometer at J-PARC. We have also built a $\gamma$-ray emission model of $^{158}$Gd decay, in which the $\gamma$-rays were classified into the discrete prompt $\gamma$ rays and continuum spectrum. We compared the data and our model, and found a fair agreement between them at the level of 26% over the $\gamma$-ray energy from 0.2 MeV to 8.0 MeV. In this proceedings, the measured spectra and the model are described.
DOI: https://doi.org/10.22323/1.294.0035
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