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Level structure of S 31: From low excitation energies to the region of interest for hydrogen burning in novae through the P 30 (p, γ) S 31 reaction

Doherty, DT, Woods, PJ, Lotay, G, Seweryniak, D, Carpenter, MP, Chiara, CJ, David, HM, Janssens, RVF, Trache, L and Zhu, S (2014) Level structure of S 31: From low excitation energies to the region of interest for hydrogen burning in novae through the P 30 (p, γ) S 31 reaction Physical Review C - Nuclear Physics, 89 (4).

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Abstract

Comprehensive measurements of the excitation energy and spin-parity assignments for states in S31 are presented, from the first excited state, up to energies relevant for the P30(p,γ)S31 reaction in ONe novae. This reaction rate strongly influences heavy element abundances in novae ejecta. States in S31 are paired with their P31 analogues using γ rays detected with the Gammasphere detector array following the Si28(He4, n) fusion-evaporation reaction. The evolution of mirror energy differences is explored and the results are compared with new shell-model calculations. The excellent agreement observed in this work between experimental data and shell-model calculations provides confidence in using computed estimates in situations where experimental data are unavailable. © 2014 American Physical Society.

Item Type: Article
Authors :
NameEmailORCID
Doherty, DTUNSPECIFIEDUNSPECIFIED
Woods, PJUNSPECIFIEDUNSPECIFIED
Lotay, Gg.lotay@surrey.ac.ukUNSPECIFIED
Seweryniak, DUNSPECIFIEDUNSPECIFIED
Carpenter, MPUNSPECIFIEDUNSPECIFIED
Chiara, CJUNSPECIFIEDUNSPECIFIED
David, HMUNSPECIFIEDUNSPECIFIED
Janssens, RVFUNSPECIFIEDUNSPECIFIED
Trache, LUNSPECIFIEDUNSPECIFIED
Zhu, SUNSPECIFIEDUNSPECIFIED
Date : 23 April 2014
Identification Number : https://doi.org/10.1103/PhysRevC.89.045804
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:40
Last Modified : 17 May 2017 15:12
URI: http://epubs.surrey.ac.uk/id/eprint/840047

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