0+ states in Ni-isotopes described by the broken-pair approximation and the generator coordinate method

C. D. Siegal, Y. K. Gambhir

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Abstract

Two distinct methods, the Broken-Pair Approximation (BPA) and the Generator Coordinate Method (GCM), have been compared for the 0+ states of Ni-isotopes. The states are obtained in terms of valence neutrons occupying 2p 3 2, 1f 5 2, 2p 1 2 and 1g 9 2 single particle (sp) levels outside the assumed N = Z = 28 inert core using (a) the pairing force and (b) the renormalized non-local separable Tabakin interaction. The ground state properties are discussed. The resulting wavefunctions havebeen used to calculate the angular distribution, total cross-section and the related quantities for the two-nucleon transfer reactions. The analysis of the results points toward the requirements for the applicability of these methods.

Original languageEnglish
Pages (from-to)151-155
Number of pages5
JournalPhysics Letters B
Volume39
Issue number2
DOIs
Publication statusPublished - 17-04-1972

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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