Muon-induced fission as a probe of the underlying dynamics in nuclear fission

Fuente: arXiv
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Autores principales: Ross, Christian, Umar, A. S.
Formato: Preprint
Publicado: 2025
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author Ross, Christian
Umar, A. S.
author_facet Ross, Christian
Umar, A. S.
contents Muon-induced fission could be utilized as a probe to study the underlying dynamics of nuclear fission. The probability of muon attachment to the light asymmetric fission fragment is sensitive to fission dynamics, such as the timescale and friction of the fission event, charge asymmetry, and possibly the shape of the fission fragments. We focus on muonic atoms that are formed with actinide nuclei. A relativistic approach is employed, solving the Dirac equation for the muonic wavefunction in the presence of a time-dependent electromagnetic field generated by the fissioning nucleus. Computations are carried out on a 3-D Cartesian lattice with no symmetry assumptions. The results show a strong dependence of the attachment probability on the fission charge asymmetry and a more modest dependence on friction.
format Preprint
id arxiv_https___arxiv_org_abs_2507_02191
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Muon-induced fission as a probe of the underlying dynamics in nuclear fission
Ross, Christian
Umar, A. S.
Nuclear Theory
Muon-induced fission could be utilized as a probe to study the underlying dynamics of nuclear fission. The probability of muon attachment to the light asymmetric fission fragment is sensitive to fission dynamics, such as the timescale and friction of the fission event, charge asymmetry, and possibly the shape of the fission fragments. We focus on muonic atoms that are formed with actinide nuclei. A relativistic approach is employed, solving the Dirac equation for the muonic wavefunction in the presence of a time-dependent electromagnetic field generated by the fissioning nucleus. Computations are carried out on a 3-D Cartesian lattice with no symmetry assumptions. The results show a strong dependence of the attachment probability on the fission charge asymmetry and a more modest dependence on friction.
title Muon-induced fission as a probe of the underlying dynamics in nuclear fission
topic Nuclear Theory
url https://arxiv.org/abs/2507.02191