Neutron excitations in 119Ba

6533b824fe1ef96bd1280d9a

RESEARCH PRODUCT

Neutron excitations in 119Ba

K. K. Zheng C. M. Petrache Z. H. Zhang A. Astier F. Lv B.P. T. Greenlees T. Grahn R. Julin S. Juutinen M. Luoma J. Ojala J. Pakarinen J. Partanen P. Rahkila P. Ruotsalainen M. Sandzelius J. Sarén H. Tann J. Uusitalo G. Zimba B. Cederwall Ö. Aktas A. Ertoprak W. Zhang S. Guo M. L. Liu X. H. Zhou I. Kuti B. M. Nyakó D. Sohler J. Timár C. Andreoiu M. Doncel D. T. Joss R. D. Page

subject

description

The neutron-deficient 119Ba nucleus has been studied using the 58Ni(64Zn,2pn) reaction and the JUROGAM 3 γ-ray detector array coupled to the MARA recoil-mass separator setup. One new rotational band and several low-lying states are newly identified. A half-life of T1/2=0.36(2)μs has been measured for the 5/2− bandhead of the νh11/2 band. The two previously known rotational bands are confirmed, except for the higher part of the +1/2 signature partner of the positive-parity band. Configurations are assigned based on the analysis of the observed quasiparticle alignments whose nature is unveiled by the calculations using the particle number conserving cranked shell model. peerReviewed

year	journal	country	edition	language
2021-01-01

http://urn.fi/URN:NBN:fi:jyu-202108044448

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