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Pauli distorted double folded potential
Soubbotin, V. B.; Oertzen, W. von; Viñas Gausí, Xavier; Gridnev, K. A.; Bohlen, H. G.
Universitat de Barcelona
The enhancement in the production of even-Z nuclei observed in nuclear fission has also been observed in fragments produced from heavy ion collsions. Beams of 40Ar, 40Cl, and 40Ca at 25 MeV/nucleon were impinged on 58Fe and 58Ni targets. The resulting fragments were detected using the MSU 4pi detector array, which had additional silicon detectors for better isotopic resolution. Comparison of the ratios of yields for each element showed enhancement of even-Z fragment production. The enhancement was more pronounced for reactions with a greater difference in the N/Z of the compound system. However, this effect was less for systems that were more neutron rich. The average N/Z for fragments also displayed an odd-even effect with a lower average N/Z for the even-Z fragments. This is related to the greater availability of neutron-poor isotopes for even-Z nuclei
2010-05-04
Reaccions nuclears
Teoria quàntica
Nuclear reactions
Quantum theory
(c) The American Physical Society, 2001
Article
The American Physical Society
         

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