Highly enriched (> 99.9%) 132Xe and 134Xe gases were converted to solid 132XeF2 and 134XeF2 and were used as scattering samples for inelastic neutron scattering measurements at the University of Kentucky Accelerator Laboratory (UKAL). Lifetimes of levels up to 3.5MeV in excitation energy in these xenon isotopes were measured using the Doppler-shift attenuation method, allowing the determination of reduced transition probabilities. Gamma rays corresponding to new transitions and levels have been observed. In particular, tentative new excited 0+ states and associated decays have been examined in an effort to elucidate the structure of these nuclei in a transitional region, and comparisons have been drawn with models which seek to describe such nuclei, e.g., the E(5) critical-point symmetry of the IBM. Newly identified potential interferences for neutrinoless double-beta decay searches involving 136Xe are also discussed.

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Published in EPJ Web of Conferences, v. 93, article 01027, p. 1-3.

© Owned by the authors, published by EDP Sciences, 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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This material is based upon work supported by the U.S. National Science Foundation under Grant no. PHY- 1305801.

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This article was a part of a conference, CGS15-Capture Gamma-Ray Spectroscopy and Related Topics in Dresden, Germany, August 25-29, 2014. For more proceedings from this conference, please visit: http://www.epj-conferences.org/articles/epjconf/abs/2015/12/contents/contents.html

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