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

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Abstract

Neutron-rich lead and bismuth isotopes have been produced by cold-fragmentation reactions induced by 238U projectiles at 1A GeV im**ing 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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Correspondence to H. Alvarez-Pol.

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Communicated by J. Äystö

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Alvarez-Pol, H., Benlliure, J., Casarejos, E. et al. Production cross-sections of neutron-rich Pb and Bi isotopes in the fragmentation of 238U. Eur. Phys. J. A 42, 485–488 (2009). https://doi.org/10.1140/epja/i2009-10856-8

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  • DOI: https://doi.org/10.1140/epja/i2009-10856-8

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