Shape study of the N = Z nucleus Kr-72 via beta decay

J. A. Briz; E. Nacher; M. J. G. Borge; A. Algora; B. Rubio; Ph Dessagne; A. Maira; D. Cano-Ott; S. Courtin; D. Escrig; L. M. Fraile; W. Gelletly; A. Jungclaus; G. Le Scornet; F. Marechal; Ch Miehe; E. Poirier; A. Poves; P. Sarriguren; J. L. Tain; O. Tengblad

doi:10.1103/PhysRevC.92.054326

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Shape study of the N = Z nucleus Kr-72 via beta decay

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Shape study of the N = Z nucleus Kr-72 via beta decay

J. A. Briz, E. Nacher, M. J. G. Borge, A. Algora, B. Rubio, Ph Dessagne, A. Maira, D. Cano-Ott, S. Courtin, D. Escrig, …

Physical review. C, Nuclear physics, Vol.92(5), 054326

30/11/2015

DOI: https://doi.org/10.1103/PhysRevC.92.054326

Abstract

Physical Sciences

Physics

Physics, Nuclear

Science & Technology

The beta decay of the N = Z nucleus Kr-72 has been studied with the total absorption spectroscopy technique at ISOLDE (CERN). A total B(GT) = 0.79(4)g(A)(2)/4 pi has been found up to an excitation energy of 2.7 MeV. The B(GT) distribution obtained is compared with predictions from state-of-the-art theoretical calculations to learn about the ground state deformation of Kr-72. Although a dominant oblate deformation is suggested by direct comparison with quasiparticle random phase approximation (QRPA) calculations, beyond-mean-field and shell-model calculations favor a large oblate-prolate mixing in the ground state.

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Title: Shape study of the N = Z nucleus Kr-72 via beta decay
Creators: J. A. Briz - Instituto de Estructura de la Materia
E. Nacher - Instituto de Estructura de la Materia
M. J. G. Borge - Instituto de Estructura de la Materia
A. Algora - Universitat de València
B. Rubio - Universitat de València
Ph Dessagne - Centre National de la Recherche Scientifique
A. Maira - Instituto de Estructura de la Materia
D. Cano-Ott - Univ Valencia, CSIC, Inst Fis Corpuscular, E-46071 Valencia, Spain
S. Courtin - Centre National de la Recherche Scientifique
D. Escrig - Instituto de Estructura de la Materia
L. M. Fraile - Universidad Complutense de Madrid
W. Gelletly - University of Surrey
A. Jungclaus - Instituto de Estructura de la Materia
G. Le Scornet - European Organization for Nuclear Research
F. Marechal - Centre National de la Recherche Scientifique
Ch Miehe - Centre National de la Recherche Scientifique
E. Poirier - Centre National de la Recherche Scientifique
A. Poves - Autonomous University of Madrid
P. Sarriguren - Instituto de Estructura de la Materia
J. L. Tain - Univ Valencia, CSIC, Inst Fis Corpuscular, E-46071 Valencia, Spain
O. Tengblad - Instituto de Estructura de la Materia
Publication Details: Physical review. C, Nuclear physics, Vol.92(5), 054326
Publisher: Amer Physical Soc
Number of pages: 10
Date published: 30/11/2015
Grant note: FPA2007-62170 / Ministerio de Ciencia e Innovacion (Spain); Ministry of Science and Innovation, Spain (MICINN); Spanish Government ST/F012012/1 / STFC-UK; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) 262010 / European Union via ENSAR FPA2012-32443; FPA2011-24553; FPA2011-29854-C04-01; FPA2013-41267-P; FPA2014-52823-C2-1-P; FIS2011-23565 / Spanish Ministerio de Economia y Competitividad (MINECO); Spanish Government ST/F012012/1; ST/L005743/1 / Science and Technology Facilities Council; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) ST/F012012/1; ST/L005743/1 / STFC; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC)
Identifiers: 99928823902346
Academic Unit: School of Maths and Physics
Language: English
Resource Type: Journal article

Shape study of the N = Z nucleus Kr-72 via beta decay

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