Knafla, L., 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:
CreatorsEmailORCIDORCID Put Code
Knafla, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hafner, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jolie, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Regis, J-MUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Karayonchev, VUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blazhev, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Esmaylzadeh, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fransen, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Goldkuhle, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Herb, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Muller-Gatermann, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Warr, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zell, K. O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
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: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
NUCLEAR-DATA SHEETS; QUANTUM PHASE-TRANSITIONS; CRITICAL-POINT SYMMETRY; STATESMultiple languages
Physics, NuclearMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/31532

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