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Two-proton removal from 44S and the structure of 42Si

Tostevin, JA, Brown, BA, and Simpson, EC, (2013) Two-proton removal from 44S and the structure of 42Si Physical Review C: Nuclear Physics, 87 (2), 027601.

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Abstract

Newly published 42Si γ-ray spectra and a final-state-inclusive 42Si production cross section value, obtained in a higher-statistics intermediate-energy two-proton removal experiment from 44S, are considered in terms of the final-state-exclusive cross sections computed using proposed shell-model effective interactions for nuclei near N=28. Specifically, we give cross section predictions when using the two nucleon amplitudes of the two-proton overlaps 〈42Si(Jπ) | 44S〉 computed using the newly proposed sdpf-mu shell-model Hamiltonian. We show that these partial cross sections or their longitudinal momentum distributions should enable a less-tentative interpretation of the measured gamma-ray spectra and provide a more quantitative assessment of proposed shell-model Hamiltonians in this interesting and challenging region of the chart of nuclides.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
AuthorsEmailORCID
Tostevin, JAUNSPECIFIEDUNSPECIFIED
Brown, BA, UNSPECIFIEDUNSPECIFIED
Simpson, EC, UNSPECIFIEDUNSPECIFIED
Date : 4 February 2013
Identification Number : 10.1103/PhysRevC.87.027601
Related URLs :
Additional Information : Copyright 2013 The American Physical Society.
Depositing User : Symplectic Elements
Date Deposited : 11 Feb 2013 17:17
Last Modified : 23 Sep 2013 20:00
URI: http://epubs.surrey.ac.uk/id/eprint/753844

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