Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..apre10014b&link_type=abstract
American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As
Astronomy and Astrophysics
Astrophysics
Scientific paper
A rise-plateau caloric curve for Ni+Ag HIC at intermediate energies is obtained. The temperature of the system is computed applying the kinetic gas theory to the fragments in the participant region. Fragments are detected using an Early Cluster Recognition Algorithm and collisions are simulated via LATINO semiclassical model where Pandharipande potential is employed to reproduce binary interaction . When thermal equilibration is signed by the equilibration of the biggest fragment temperature an initial rise in the caloric curve is followed by a plateau at about 5 MeV, in agreement with experimental results. The role played by the energy carried out by promptly emitted particles in the onset of this plateau is also explained. Also a persistence analysis of the system evolution is performed and the distribution of critical states for this energy range is obtained. Computations where carried out at UT-El Paso and UAM-A supercomputing resources. Authors acknowledge financial support from NSF fund PHY-96-00038.
Barrañón Armando
Dorso C.
Lopez Jose Alberto
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