Production of intermediate mass fragments (IMF) has been studied in semi-peripheral 124Sn (35AMeV) + 64Ni and 112Sn (35A MeV) + 58Ni reactions. Our recently proposed new method of an analysis of the neck-like fragmentation processes that provides information on the IMFs time sequence and time scale is reviewed. Isotopic analysis of so characterized IMFs gives evidence for neutron enrichment of mid-velocity fragments. A clear isoscaling behavior is found despite the short emission time scale. Evolution of the isoscaling parameters from semi-peripheral to central collisions is discussed.

Isoscaling in neck fragmentation

AUDITORE, Lucrezia;TRIFIRO', ANTONIO;TRIMARCHI, MARINA;
2006-01-01

Abstract

Production of intermediate mass fragments (IMF) has been studied in semi-peripheral 124Sn (35AMeV) + 64Ni and 112Sn (35A MeV) + 58Ni reactions. Our recently proposed new method of an analysis of the neck-like fragmentation processes that provides information on the IMFs time sequence and time scale is reviewed. Isotopic analysis of so characterized IMFs gives evidence for neutron enrichment of mid-velocity fragments. A clear isoscaling behavior is found despite the short emission time scale. Evolution of the isoscaling parameters from semi-peripheral to central collisions is discussed.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11570/1902983
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