EPJ Web of Conferences
Volume 66, 2014INPC 2013 – International Nuclear Physics Conference
|Number of page(s)||4|
|Published online||20 March 2014|
Level Lifetimes in 94Zr from DSAM Measurements following Inelastic Neutron Scattering
1 Department of Chemistry, University of Kentucky, Lexington, KY 40506-0055, USA
2 Department of Physics & Astronomy, University of Kentucky, Lexington, KY 40506-0055, USA
3 Department of Physics, United States Naval Academy, Annapolis, MD 21402, USA
a e-mail: email@example.com
Published online: 20 March 2014
The lifetime of the second 2+ state in 94Zr was redetermined by the Doppler-shift attenuation method following inelastic neutron scattering (DSAM-INS) from metallic Zr and ZrO2 samples of natural isotopic abundance. The new value for the level lifetime differs significantly from the previously published value, with the new lifetime found to be roughly twice that value. A reanalysis of the original γ-ray data from the enriched 94ZrO2 sample failed to expose the source of this discrepancy; however, powder X-ray diffraction and scanning electron microscopy performed on each scattering sample, including the enriched sample used previously, provide clues to an explanation and reveal the role of the chemical properties of the sample material in DSAM-INS lifetime determinations.
© Owned by the authors, published by EDP Sciences, 2014
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