Neutron gas and pairing

M. Anguiano, A. M. Lallena, R. Bernard, and G. Co'
Phys. Rev. C 99, 034302 – Published 1 March 2019

Abstract

We study the emergence of neutron gas effects in the description of nuclei with large neutron excess within the Bardeen-Cooper-Schrieffer approach. We consider Ni and Sn isotopes where, in the literature, these effects have been found. We investigate the role of the single-particle states with positive energy generating the neutron gas, and we find that the contribution of these states is numerically irrelevant for the various observables that we evaluate.

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  • Received 12 December 2018

DOI:https://doi.org/10.1103/PhysRevC.99.034302

©2019 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

M. Anguiano1, A. M. Lallena1, R. Bernard2,3, and G. Co'4,5

  • 1Departamento de Física Atómica, Molecular y Nuclear, Universidad de Granada, E-18071 Granada, Spain
  • 2École Normale Supérieure Paris-Saclay, 61 Avenue du Président Wilson, F-94230 Cachan, France
  • 3CEA, DAM Ile-de-France, F-91297 Arpajon, France
  • 4Dipartimento di Matematica e Fisica “E. De Giorgi”, Università del Salento, I-73100 Lecce, Italy
  • 5INFN Sezione di Lecce, Via Arnesano, I-73100 Lecce, Italy

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Issue

Vol. 99, Iss. 3 — March 2019

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