21 December 2001 Resonant nuclear excitation with high-energy lasers
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A search of Nuclear Excitation by Electron Transition (NEET) in 235U excited in the plasma produced by a 300 mJ, 10 ns laser is presented. Many experimental aspects have been faced to evidence the low rate of NEET excitation of the 76 eV isomeric level in 235U with a plasma temperature T=25 eV. The experimental limit measured for the transition rate for the 76 eV 235Um state is (lambda) N<2.10-5s-1. Several potential upgrades are considered to aim at a measure of the NEET excitation rate in 235$U.
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G. Malka, G. Malka, Marie Madeleine Aleonard, Marie Madeleine Aleonard, J. F. Chemin, J. F. Chemin, G. Claverie, G. Claverie, M. Harston, M. Harston, J. N. Scheurer, J. N. Scheurer, V. Meot, V. Meot, } "Resonant nuclear excitation with high-energy lasers", Proc. SPIE 4510, Charged Particle Detection, Diagnostics, and Imaging, (21 December 2001); doi: 10.1117/12.451265; https://doi.org/10.1117/12.451265

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