Distribution of isospin during fragmentation of excited quasiprojectiles from the reactions of 28 Si + 112,124Sn at 30 and 50 MeV/nucleon

S. J. Yennello, M. Veslesky, R. Laforest, D. Rowland, E. Ramakrishnan, A. Ruangma, E. M. Winchester, E. Martin

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Abstract

We have created quasiprojectiles of varying isospin via peripheral reactions of 28 Si with 112,124Sn at 30 and 50 MeV/nucleon. An enhanced neutron richness is observed in the light fragments with a corresponding decrease in neutron content of the heavier fragments. The enhancement of the neutron-rich light fragments changes dramatically with the N/Z of the reconstructed quasiprojectile. This non-homogeneous distribution of isospin is larger at the lower energy.

Original languageEnglish
Pages (from-to)317-322
Number of pages6
JournalNuclear Physics A
Volume681
Issue number1-4
StatePublished - Jan 29 2001

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