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Predicting the optical observables for nucleon scattering on even-even actinides

Opened Access Predicting the optical observables for nucleon scattering on even-even actinides

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Autor: Martyanov, D. S.
Soukhovitskiĩ, E. Sh.
Capote, Roberto
Quesada Molina, José Manuel
Chiba, Satoshi
Departamento: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Fecha: 2017
Publicado en: Chinese Physics C, 41 (9), 1-6.
Tipo de documento: Artículo
Resumen: The previously derived Lane consistent dispersive coupled-channel optical model for nucleon scattering on 232Th and 238U nuclei is extended to describe scattering on even-even actinides with Z=90-98. A soft-rotator-model (SRM) description of the low-lying nuclear structure is used, where the SRM Hamiltonian parameters are adjusted to the observed collective levels of the target nucleus. SRM nuclear wave functions (mixed in K quantum number) have been used to calculate the coupling matrix elements of the generalized optical model. The "effective" deformations that define inter-band couplings are derived from the SRM Hamiltonian parameters. Conservation of nuclear volume is enforced by introducing a dynamic monopolar term to the deformed potential, leading to additional couplings between rotational bands. The fitted static deformation parameters are in very good agreement with those derived by Wang and collaborators using the Weizsäcker-Skyrme global mass model (WS4), allowing use of th...
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Cita: Martyanov, D.S., Soukhovitskiĩ, E.S., Capote, R., Quesada Molina, J.M. y Chiba, S. (2017). Predicting the optical observables for nucleon scattering on even-even actinides. Chinese Physics C, 41 (9), 1-6.
Tamaño: 479.9Kb
Formato: PDF

URI: http://hdl.handle.net/11441/64186

DOI: 10.1088/1674-1137/41/9/094105

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