Universität zu Köln

Paziy, V, Fraile, L. M., Mach, H., Olaizola, B., Simpson, G. S., Aprahamian, A., Bernards, C., Briz, J. A., Bucher, B., Chiara, C. J., Dlouhy, Z., Gheorghe, I, Ghita, D., Hoff, P., Jolie, J., Koster, U., Kurcewicz, W., Lica, R., Marginean, N., Marginean, R., Regis, J-M, Rudigier, M., Sava, T., Stanoiu, M., Stroe, L. and Walters, W. B. (2020). Fast-timing study of Ga-81 from the beta decay of Zn-81. Phys. Rev. C, 102 (1). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1089-490X

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Abstract

The beta-decay of Zn-81 to the neutron magic N = 50 nucleus Ga-81, with only three valence protons with respect to Ni-78, was investigated. The study was performed at the ISOLDE facility at CERN by means of gamma spectroscopy. The 81Zn half-life was determined to be T-1/2 = 290(4) ms while the beta-delayed neutron emission probability was measured as P-n = 23(4)%. The analysis of the beta-gated gamma-ray singles and gamma-gamma coincidences from the decay of Zn-81 provides 47 new levels and 70 new transitions in Ga-81. The beta(-)n decay of Zn-81 was observed and a new decay scheme into the odd-odd Ga-80 nucleus was established. The half-lives of the first and second excited states of Ga-81 were measured via the fast-timing method using LaBr3(Ce) detectors. The level scheme and transition rates are compared to large-scale shell-model calculations. The low-lying structure of (81)Gais interpreted in terms of the coupling of the three valence protons outside the doubly magic Ni-78 core.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Paziy, V UNSPECIFIED UNSPECIFIED UNSPECIFIED Fraile, L. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mach, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Olaizola, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Simpson, G. S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Aprahamian, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bernards, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Briz, J. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bucher, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Chiara, C. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Dlouhy, Z. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gheorghe, I UNSPECIFIED UNSPECIFIED UNSPECIFIED Ghita, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hoff, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jolie, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Koster, U. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kurcewicz, W. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lica, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Marginean, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Marginean, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Regis, J-M UNSPECIFIED UNSPECIFIED UNSPECIFIED Rudigier, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sava, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stanoiu, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stroe, L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Walters, W. B. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-325495
DOI:	10.1103/PhysRevC.102.014329
Journal or Publication Title:	Phys. Rev. C
Volume:	102
Number:	1
Date:	2020
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1089-490X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language PICOSECOND LIFETIME MEASUREMENTS; NEUTRON-RICH ISOTOPES; NUCLEI; BEAMS; ZN Multiple languages Physics, Nuclear Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/32549