Signatures of enhanced octupole correlations at high spin in Nd-136
- Petrache, CM
- Minkov, N
- Nakatsukasa, T
- Lv, BF
- Astier, A
- Dupont, E
- Zheng, KK
- Greenlees, P
- Badran, H
- Calverley, T
- Cox, DM
- Grahn, T
- Hilton, J
- Julin, R
- Juutinen, S
- Konki, J
- Pakarinen, J
- Papadakis, P
- Partanen, J
- Rahkila, P
- Ruotsalainen, P
- Sandzelius, M
- Saren, J
- Scholey, C
- Sorri, J
- Stolze, S
- Uusitalo, J
- Cederwall, B
- Ertoprak, A
- Liu, H
- Guo, S
- Liu, ML
- Wang, JG
- Zhou, XH
- Kuti, I
- Timar, J
- Tucholski, A
- Srebrny, J
- Andreoiu, C
DOIAbstract
Experimental signatures of moderately enhanced octupole correlations at high spin in 136 Nd are indicated for the first time. The extracted dipole moments of two negative-parity bands are only two times smaller than those of the lanthanide nuclei with N ≈ 90 which present well-established octupole correlations. Calculations using the cranked quasiparticle random phase approximation and a model of quadrupole-octupole rotations with octupole vibrations reveal the structure of the bands and the enhanced octupole correlations at high spin in 136 Nd
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