First identification of high-spin states in the odd-odd neutron-rich nucleus ${}^{152}$Pr

First identification of high-spin states in the odd-odd neutron-rich nucleus $^{152}$ Pr

S. H. Liu, J. H. Hamilton, A. V. Ramayya, Y. Shi, F. R. Xu, S. J. Zhu, E. Y. Yeoh, J. C. Batchelder, N. T. Brewer, J. K. Hwang, Y. X. Luo, J. O. Rasmussen, W. C. Ma, A. V. Daniel, G. M. Ter-Akopian, and Yu. Ts. Oganessian

Phys. Rev. C 84, 044303 – Published 5 October 2011

Abstract

The odd-odd neutron-rich nucleus $^{152}$ Pr has been studied from the spontaneous fission of $^{252}$ Cf with Gammasphere. A high-spin level scheme of $^{152}$ Pr has been established for the first time. Angular correlation and internal conversion coefficient measurements are used to determine the transition multipolarities. The possible configurations of the bandhead have been discussed based on systematics and total Routhian surface calculations.

Received 26 May 2011

DOI:https://doi.org/10.1103/PhysRevC.84.044303

Authors & Affiliations

S. H. Liu^1,2, J. H. Hamilton², A. V. Ramayya², Y. Shi³, F. R. Xu³, S. J. Zhu⁴, E. Y. Yeoh⁴, J. C. Batchelder¹, N. T. Brewer², J. K. Hwang², Y. X. Luo^2,5, J. O. Rasmussen⁵, W. C. Ma⁶, A. V. Daniel^1,7, G. M. Ter-Akopian⁷, and Yu. Ts. Oganessian⁷

¹UNIRIB/Oak Ridge Associated Universities, Oak Ridge, Tennessee 37831, USA
²Department of Physics and Astronomy, Vanderbilt University, Nashville, Tennessee 37235, USA
³School of Physics, Peking University, Beijing 100871, People's Republic of China
⁴Department of Physics, Tsinghua University, Beijing 100084, People's Republic of China
⁵Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
⁶Department of Physics and Astronomy, Mississippi State University, Mississippi State, Mississippi 39762, USA
⁷Joint Institute for Nuclear Research, RU-141980 Dubna, Russian Federation

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Vol. 84, Iss. 4 — October 2011

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