New Levels in $^{162}$Gd

ORAL

Abstract

We've measured prompt gamma rays from the fission fragments of the spontaneous fission of $^{252}$Cf in Gammasphere. The data from the experiment have high statistics with 5.7*10$^{11}$ triple and higher gamma coincidences. We examined levels in $^{162}$Gd in this data set which shows very consistent I(I+1) level spacing in the yrast band. This demonstrates consistency with a rotational nucleus that has a large quadrupole deformation. this is common for nuclei in between closed spherical shells. To find new levels and gamma transitions, we looked at triple coincidence gates in the Radware software in which we see population of yrast states up to 16+. We found new evidence for proposed collective bands in this isotope. Results will be discussed.

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Authors

  • Brayton Doll

    • NBPHS, Vanderbilt University

  • N.T. Brewer

    • Vanderbilt University

  • J.H. Hamilton

    • Vanderbilt University

  • A.V. Ramayya

    • Vanderbilt University

  • J.K. Hwang

    • Vanderbilt University

  • Y.X. Luo

    • Vanderbilt University, LBNL

  • J.O. Rasmussen

    • LBNL

  • S.J. Zhu

    • Vanderbilt University, Tsinghua University

  • G.M. Ter-Akopian

    • JINR