231Pa Mössbauer resonance in Pa metal |
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| Authors: | JM Friedt GM Kalvius R Poinsot J Rebizant JC Spirlet |
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| Institution: | 1. Laboratoire de Chimie Nucleaire, Centre de Recherches Nucleaires, 67037 Strasbourg, France;2. European Institute for Transuranium Elements, 7500 Karlsruhe, Germany |
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| Abstract: | The Mössbauer resonance of the 84.2 keV transition in 231Pa has been measured for an absorber of Pa metal at 4.2 K with respect to a source of ThO2 at 4.2 and 65 K. The resulting nuclear parameters are compared with calculations based on the Nilsson model. The electric field gradient in Pa metal is |eqz| = (2.05 ± 0.15)} 1018 V/cm2. |
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