Interplay between tensor force and deformation in even-even nuclei

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• 作者：Ré ; mi N. Bernard ; ^{rbernard@ugr.es" class="auth_mail" title="E-mail the corresponding author} ; Marta Anguiano
• 关键词：Mean-field calculation ; Tensor interaction ; Axial deformation ; Pairing ; Slater approximation
• 刊名：Nuclear Physics A
• 出版年：2016
• 出版时间：September 2016
• 年：2016
• 卷：953
• 期：Complete
• 页码：32-64
• 全文大小：2490 K

文摘

In this work we study the effect of the nuclear tensor force on properties related with deformation. We focus on isotopes in the Mg, Si, S, Ar, Sr and Zr chains within the Hartree–Fock–Bogoliubov theory using the D1ST2a Gogny interaction. Contributions to the tensor energy in terms of saturated and unsaturated subshells are analyzed. Like–particle and proton–neutron parts of the tensor term are independently examinated. We found that the tensor term may considerably modify the potential energy landscapes and change the ground state shape. We analyze too how the pairing characteristics of the ground state change when the tensor force is included.