19-22 October 2011
Hotel Roanoke, Roanoke VA
US/Eastern timezone
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New Levels in 162Gd

21 Oct 2011, 13:30
12m
Crystal Ballroom C (Hotel Roanoke, Roanoke VA)

Crystal Ballroom C

Hotel Roanoke, Roanoke VA

Speaker

Brayton Doll (NBPHS, Vanderbilt University)

Description

We've measured prompt gamma rays from the fission fragments of the spontaneous fission of 252Cf in Gammasphere. The data from the experiment have high statistics with 5.7 * 10^{11} triple and higher gamma coincidences. We examined levels in 162Gd 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.

Co-authors

A. V. Ramayya (Vanderbilt University) G. M. Ter-Akopian (Joint Institute for Nuclear Research) J. H. Hamilton (Vanderbilt University) J. K. Hwang (Vanderbilt University) J. O. Rasmussen (Lawrence Berkeley National Laboratory) N. T. Brewer (Vanderbilt University) S. J. Zhu (Vanderbilt University and Tsinghua University) Y. X. Luo (Vanderbilt University and Lawrence Berkeley National Laboratory)

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