Universität zu Köln

Knafla, Lukas ORCID: 0000-0001-7926-4639, Hafner, G., Jolie, J., Regis, J-M, Karayonchev, V, Blazhev, A., Esmaylzadeh, A., Fransen, C., Goldkuhle, A., Herb, S., Muller-Gatermann, C., Warr, N. and Zell, K. O. (2020). Lifetime measurements of Er-162: Evolution of collectivity in the rare-earth region. Phys. Rev. C, 102 (4). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1089-490X

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Abstract

Lifetimes of low-lying yrast states in Er-162 are measured using the electronic gamma-gamma fast-timing technique. Excited states were populated in a Sm-154(C-12, (4)n)Er-162 fusion-evaporation reaction and gamma rays were detected in a combined setup of high purity germanium and LaBr3(Ce) scintillation detectors. The lifetimes of the 4(1)(+) and 6(1)(+) states are determined for the first time and the lifetimes of the 2(1)(+) and 7- states are remeasured with higher precision. Reduced transition probabilities are extracted and well reproduced by theoretical calculations in the framework of the confined beta soft model and the interacting boson model.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Knafla, Lukas lknafla@ikp.uni-koeln.de orcid.org/0000-0001-7926-4639 UNSPECIFIED Hafner, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jolie, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Regis, J-M UNSPECIFIED UNSPECIFIED UNSPECIFIED Karayonchev, V UNSPECIFIED UNSPECIFIED UNSPECIFIED Blazhev, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Esmaylzadeh, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fransen, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Goldkuhle, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Herb, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Muller-Gatermann, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Warr, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Zell, K. O. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-315327
DOI:	10.1103/PhysRevC.102.044310
Journal or Publication Title:	Phys. Rev. C
Volume:	102
Number:	4
Date:	2020
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1089-490X
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Physics > Institute for Nuclear Physics
Subjects:	Natural sciences and mathematics
Uncontrolled Keywords:	Keywords Language NUCLEAR-DATA SHEETS; QUANTUM PHASE-TRANSITIONS; CRITICAL-POINT SYMMETRY; STATES Multiple languages Physics, Nuclear Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/31532