Rejection-based sampling of inelastic neutron scattering

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ID: 269156
2019
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Abstract
Distributions of inelastically scattered neutrons can be quantum dynamically described by a scattering kernel. We present an accurate and computationally efficient rejection method for sampling a given scattering kernel of any isotropic material. The proposed method produces continuous neutron energy and angular distributions, typically using just a single interpolation per sampling. We benchmark the results of this method against those from accurate analytical models and one of the major neutron transport codes. We also show the results of applying this method to the conventional discrete double differential cross sections.
Reference Key
damián2019journalrejection-based Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors X.-X. Cai,T. Kittelmann,E. Klinkby,J.I. Márquez Damián;X.-X. Cai;T. Kittelmann;E. Klinkby;J.I. Márquez Damián;
Journal journal of computational physics
Year 2019
DOI
10.1016/j.jcp.2018.11.043
URL
https://sciprofiles.com/publication/view/aa35d4a9b073be6c005f31b468a69d44##
Keywords
kernel interpolation scattering neutron differential inelastic angular isotropic computationally discrete kernel interpolation scattering neutron differential inelastic angular isotropic computationally discrete

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