β decay of the exotic Tz =-2 nuclei 48Fe, 52Ni, and 56Zn

S. E. A. Orrigo; B. Rubio; Y. Fujita; W. Gelletly; J. Agramunt; A. Algora; P. Ascher; B. Bilgier; B. Blank; L. Caceres; R. B. Cakirli; E. Ganioglu; M. Gerbaux; J. Giovinazzo; S. Grevy; O. Kamalou; H. C. Kozer; L. Kucuk; T. Kurtukian-Nieto; F. Molina; L. Popescu; A. M. Rogers; G. Susoy; C. Stodel; T. Suzuki; A. Tamii; J. C. Thomas

doi:10.1103/PhysRevC.93.044336

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β decay of the exotic Tz =-2 nuclei 48Fe, 52Ni, and 56Zn

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β decay of the exotic Tz =-2 nuclei 48Fe, 52Ni, and 56Zn

S. E. A. Orrigo, B. Rubio, Y. Fujita, W. Gelletly, J. Agramunt, A. Algora, P. Ascher, B. Bilgier, B. Blank, L. Caceres, …

Physical review. C, Vol.93(4), 044336

27/04/2016

DOI: https://doi.org/10.1103/PhysRevC.93.044336

Abstract

Physical Sciences

Physics

Physics, Nuclear

Science & Technology

The results of a study of the beta decays of three proton-rich nuclei with T-z = -2, namely Fe-48, Ni-52, and Zn-56, produced in an experiment carried out at GANIL, are reported. In all three cases we have extracted the half-lives and the total beta-delayed proton emission branching ratios. We have measured the individual beta-delayed protons and beta-delayed. rays and the branching ratios of the corresponding levels. Decay schemes have been determined for the three nuclei, and new energy levels are identified in the daughter nuclei. Competition between beta-delayed protons and. rays is observed in the de-excitation of the T = 2 isobaric analog states in all three cases. Absolute Fermi and Gamow-Teller transition strengths have been determined. The mass excesses of the nuclei under study have been deduced. In addition, we discuss in detail the data analysis taking as a test case Zn-56, where the exotic beta-delayed gamma-proton decay has been observed.

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Title: β decay of the exotic Tz =-2 nuclei 48Fe, 52Ni, and 56Zn
Creators: S. E. A. Orrigo - Universitat de València
B. Rubio - Universitat de València
Y. Fujita - Osaka University
W. Gelletly - Universitat de València
J. Agramunt - Instituto de Física Corpuscular
A. Algora - Hungarian Academy of Sciences
P. Ascher - Institut National de Physique Nucléaire et de Physique des Particules
B. Bilgier - Istanbul University
B. Blank - Institut National de Physique Nucléaire et de Physique des Particules
L. Caceres - Institut National de Physique Nucléaire et de Physique des Particules
R. B. Cakirli - Istanbul University
E. Ganioglu - Istanbul University
M. Gerbaux - Université de Bordeaux
J. Giovinazzo - Institut National de Physique Nucléaire et de Physique des Particules
S. Grevy - Université de Bordeaux
O. Kamalou - GANIL
H. C. Kozer - Istanbul University
L. Kucuk - Istanbul University
T. Kurtukian-Nieto - Université de Bordeaux
F. Molina - Comisión Chilena de Energía Nuclear
L. Popescu - Belgian Nuclear Research Centre
A. M. Rogers - Argonne National Laboratory
G. Susoy - Istanbul University
C. Stodel - GANIL
T. Suzuki - Osaka University
A. Tamii - Osaka University
J. C. Thomas - GANIL
Publication Details: Physical review. C, Vol.93(4), 044336
Publisher: Amer Physical Soc
Number of pages: 18
Date published: 27/04/2016
Grant note: Japan-Spain coll. program of JSPS 262010 / ENSAR Project ST/F012012/1; ST/L005743/1 / STFC; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) TUBITAK 2219 / International Post Doctoral Research Fellowship Programme FPA2008-06419-C02-01; FPA2011-24553 / Spanish MICINN; Spanish Government CSD2007-00042 / CPAN Consolider-Ingenio Programme Max-Planck-Partner Group CSIC 15K05104 / Grants-in-Aid for Scientific Research; Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT); Japan Society for the Promotion of Science; Grants-in-Aid for Scientific Research (KAKENHI) SEV-2014-0398 / Centro de Excelencia Severo Ochoa del IFIC Grant
Identifiers: 99929028202346
Academic Unit: School of Maths and Physics
Language: English
Resource Type: Journal article

β decay of the exotic Tz =-2 nuclei 48Fe, 52Ni, and 56Zn

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