EPJ Web Conf.
Volume 239, 2020ND 2019: International Conference on Nuclear Data for Science and Technology
|Number of page(s)||6|
|Section||Nuclear Reaction Theory, Models and Codes|
|Published online||30 September 2020|
Multiband coupling and nuclear softness in optical model calculations for even-even and odd-A actinides
1 Joint Institute for Energy and Nuclear Research, 220109, Minsk-Sosny, Belarus
2 NAPC-Nuclear Data Section, International Atomic Energy Agency, Vienna A-1400, Austria
3 Departamento de Física Atómica, Molecular y Nuclear, Universidad de Sevilla, E-41080 Sevilla, Spain
4 Laboratory for Advanced Nuclear Energy, Institute of Innovative Research, Tokyo Institute of Technology, Japan
Published online: 30 September 2020
A new dispersive multiband coupled channels optical model with soft-rotator “effective” deformations is proposed to describe nucleon scattering on even-even and odd-A actinides. The impact of the introduction of axial and non-axial dynamical deformations that describe nuclear softness is discussed. Softness and multiband coupling are shown to change compound-nucleus formation cross section by up to ≈ 10% for incident neutron energies below 1 MeV.
© The Authors, published by EDP Sciences, 2020
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