2020
DOI: 10.1051/epjconf/202023903003
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Multiband coupling and nuclear softness in optical model calculations for even-even and odd-A actinides

Abstract: 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.

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Cited by 3 publications
(3 citation statements)
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“…The development of DCCOMP has continued over the years until its present formulation; full DCCOMP formalism and main accomplishments for actinides were presented in Refs. [35][36][37].…”
Section: Dispersive Coupled-channel Optical Model Potential (Dccomp)mentioning
confidence: 99%
See 1 more Smart Citation
“…The development of DCCOMP has continued over the years until its present formulation; full DCCOMP formalism and main accomplishments for actinides were presented in Refs. [35][36][37].…”
Section: Dispersive Coupled-channel Optical Model Potential (Dccomp)mentioning
confidence: 99%
“…Additionally, the development of multi-band coupling optical model potentials [35][36][37]53,54] based on the use of dispersive relations allowed to close the circle and improve the theoretical description of the total inelastic scattering cross sections in the important for reactor applications region from 50 keV up to 6 MeV as shown in Fig. 10 and discussed in Refs.…”
Section: Description Of Inelastic Scattering On Actinidesmentioning
confidence: 99%
“…It proved the importance of multi-band coupling, nucleus stretching and dynamic volume conservation effects for the calculation of opticalmodel cross sections in deformed nuclides. Finally, this approach was extended in reference [16] to describe nucleon scattering on odd-A nuclides, by calculating the odd-A nucleus 'effective' deformations from the corresponding even-even core. As a result, vibrational and GS bands built on the same single-particle state can be coupled for odd-A targets.…”
Section: Introductionmentioning
confidence: 99%