The first candidate for chiral nuclei in the A~80 mass region: 80Br

Date
2011
Authors
Wang S.Y.
Qi B.
Liu L.
Zhang S.Q.
Hua H.
Li X.Q.
Chen Y.Y.
Zhu L.H.
Meng J.
Wyngaardt S.M.
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Abstract
Excited states of 80Br have been investigated via the 76Ge(11B, α3n) and 76Ge(7Li, 3n) reactions and a new δI=1 band has been identified which resides ~ 400 keV above the yrast band. Based on the experimental results and their comparison with the triaxial particle rotor model calculated ones, a chiral character of the two bands within the πg9/2⊗ νg9/2 configuration is proposed, which provides the first evidence for chirality in the A~80 region. © 2011 Elsevier B.V.
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Citation
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
703
1
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