Lifetime measurements in Re-166: Collective versus magnetic rotation
- Li, H. J.
- Cederwall, B.
- Doncel, M.
- Peng, J.
- Chen, Q. B.
- Zhang, S. Q.
- Zhao, P. W.
- Meng, J.
- Back, T.
- Jakobsson, U.
- Auranen, K.
- Boenig, S.
- Drummond, M.
- Grahn, T.
- Greenlees, P.
- Herzan, A.
- Joss, D. T.
- Julin, R.
- Juutinen, S.
- Konki, J.
- Kroell, T.
- Leino, M.
- McPeake, C.
- O&apos
- Page, R. D.
- Pakarinen, J.
- Partanen, J.
- Peura, P.
- Rahkila, P.
- Ruotsalainen, P.
- Sandzelius, M.
- Saren, J.
- Saygi, B.
- Scholey, C.
- Sorri, J.
- Stolze, S.
- Taylor, M. J.
- Thornthwaite, A.
- Uusitalo, J.
- Xiao, Z. G.
DOIAbstract
Lifetimes of excited states in the neutron-deficient odd-odd nucleus Re-166 have been measured for the first time using the recoil distance Doppler-shift method. The measured lifetime for the (8(-)) state; tau = 480 (80) ps, enabled an assessment of the multipolarities of the gamma rays depopulating this state. Information on electromagnetic transition strengths were deduced for the gamma-ray transitions from the (9(-)), (10(-)), and (11(-)) states, and in the case of the (10(-)) and (11(-)) states limits on the B (M1) and B(E2) strengths were estimated. The results are compared with total Routhian surface predictions and semiclassical calculations. Tilted-axis cranking calculations based on a relativistic mean-field approach (TAC-RMF) have...
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