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Unified description of the coupled-channels and statistical Hauser-Feshbach nuclear reaction theories for low energy neutron incident reactions

  • Regular Article – Theoretical Physics
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Abstract

We incorporate the coupled-channels optical model into the statistical Hauser-Feshbach nuclear reaction theory, where the scattering matrix is diagonalized by performing the Engelbrecht-Weidenmüller transformation. This technique has been implemented in the coupled-channels optical model code ECIS by J. Raynal, and we extend this method so that all the open channels in a nucleon-induced reaction on a deformed nucleus can be calculated consistently.

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Data Availability Statement

This manuscript has no associated data or the data will not be deposited. [Authors’ comment: This work is theoretical, and all the relevant equations are given in the article.]

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Acknowledgements

The author is grateful to E. Bauge, S. Hilaire, and P. Chau of CEA Bruyères-le-Châtel and P. Talou of LANL for encouraging this work. This work was carried out under the auspices of the National Nuclear Security Administration of the U.S. Department of Energy at Los Alamos National Laboratory under Contract No. 89233218CNA000001.

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  1. Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA

    Toshihiko Kawano

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Correspondence to Toshihiko Kawano.

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Communicated by Nicolas Alamanos.

This article belongs to the Special Issue on: “Nuclear Reaction Studies: a Tribute to Jacques Raynal”.

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Kawano, T. Unified description of the coupled-channels and statistical Hauser-Feshbach nuclear reaction theories for low energy neutron incident reactions. Eur. Phys. J. A 57, 16 (2021). https://doi.org/10.1140/epja/s10050-020-00311-9

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