Production cross-sections of neutron-rich Pb and Bi isotopes in the fragmentation of 238U

Abstract : Neutron-rich lead and bismuth isotopes have been produced by cold-fragmentation reactions induced by 238U projectiles at 1AGeV impinging on a beryllium target. The high-resolving power FRagment Separator (FRS) at GSI allowed us to identify and determine the production cross-sections of 43 nuclei, nine of them for the first time (216,217,218,219Pb and 219,220,221,222,223Bi). These data are compared to other previously measured cross-sections in similar reactions and model calculations.
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Submitted on : Wednesday, September 2, 2009 - 11:02:40 AM
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H. Alvarez-Pol, J. Benlliure, E. Casarejos, L. Audouin, D. Cortina-Gil, et al.. Production cross-sections of neutron-rich Pb and Bi isotopes in the fragmentation of 238U. The Fifth International Conference on Exotic Nuclei and Atomic Masses ENAM'08, Sep 2008, Ryn, Poland. pp.485-488, ⟨10.1140/epja/i2009-10856-8⟩. ⟨in2p3-00412579⟩

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