New Level Structure of <sup>162,164</sup>Gd

POSTER

Abstract

Levels in 162,164Gd were constructed via γ-γ-γ and γ-γ-γ-γ coincidence data from observations of 252Cf spontaneous fission. γ-rays from fission events of a 62 μCi 252Cf source were measured in the center of the Gammasphere detector array. This produced 5.7x1011 γ-γ-γ or higher coincidence events and 1.9x1011 γ-γ-γ-γ or higher coincidence events. This data set was analyzed to construct new energy level schemes for 162,164Gd. Levels and transitions previously identified in the ground state rotational bands have been confirmed. Additionally, several new transitions and levels are observed in both isotopes, including the establishment of a γ vibrational band from 2+ to 9+ for the first time, and the addition of a level in the yrast band of 162Gd.

*U.S. DOE Grant DE-FG05-88ER40407.

Presenters

  • Christian Ross Brown

    • Union University
    • Union University, Vanderbilt University

Authors

  • Christian Ross Brown

    • Union University
    • Union University, Vanderbilt University

  • Jonathan Mark Eldridge

    • Vanderbilt University

  • Enhong Wang

    • Vanderbilt University
    • Vanderbilt Univ

  • Christopher J J Zachary

    • Vanderbilt University
    • Vanderbilt Univ

  • Akunuri V V Ramayya

    • Vanderbilt University
    • Vanderbilt Univ

  • Joseph H H Hamilton

    • Vanderbilt University
    • Vanderbilt Univ

  • Brooks M M Musangu

    • Vanderbilt University
    • Vanderbilt Unversity

  • Thomas Henry Richards

    • University of Alabama, Vanderbilt University

  • Yixiao Luo

    • Lawrence Berkeley National Laboratory
    • Lawrence Berkeley National Laboratory, Vanderbilt University

  • John Rasmussen

    • Lawrence Berkeley National Laboratory

  • Shengjiang Zhu

    • Tsinghua University

  • Gurgen M M Ter-Akopian

    • Joint Institute for Nuclear Research

  • Yuri Oganessian

    • Joint Institute for Nuclear Research