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Signatures of enhanced octupole correlations at high spin in 136Nd

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Signatures of enhanced octupole correlations at high spin in 136Nd

http://urn.fi/urn:nbn:fi-fe2020092475680
Teksti
Petrache, C. M. (C. M.) ; Minkov, N. (N.) ; Nakatsukasa, T. (T.) ; Lv, B. F. (B. F.) ; Astier, A. (A.) ; Dupont, E. (E.) ; Zheng, K. K. (K. K.) ; Greenlees, P. (P.) ; Badran, H. (H.) ; Calverley, T. (T.) ; Cox, D. M. (D. M.) ; Grahn, T. (T.) ; Hilton, J. (J.) ; Julin, R. (R.) ; Juutinen, S. (S.) ; Konki, J. (J.) ; Pakarinen, J. (J.) ; Papadakis, P. (P.) ; Partanen, J. (J.) ; Rahkila, P. (P.) ; Ruotsalainen, P. (P.) ; Sandzelius, M. (M.) ; Saren, J. (J.) ; Scholey, C. (C.) ; Sorri, J. (J.) ; Stolze, S. (S.) ; Uusitalo, J. (J.) ; Cederwall, B. (B.) ; Ertoprak, A. (A.) ; Liu, H. (H.) ; Guo, S. (S.) ; Liu, M. L. (M. L.) ; Wang, J. G. (J. G.) ; Zhou, X. H. (X. H.) ; Kuti, I. (I) ; Timar, J. (J.) ; Tucholski, A. (A.) ; Srebrny, J. (J.) ; Andreoiu, C. (C.)
American Physical Society

Abstract

Experimental signatures of moderately enhanced octupole correlations at high spin in ¹³⁶Nd 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 ¹³⁶Nd.

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