The reactions 124Xe + 64Zn and 64Ni at 35 A MeV beam incident energy (InKiIsSy, Inverse Kinematic Isobaric System) were studied at INFN-LNS with the 4π CHIMERA detector and compared to results of previous studied reactions 124,112Sn + 64,58Ni. The Intermediate Mass Fragments (IMF) production probability and emission mechanism in the projectile-like fragments (PLF) fission were studied by using, as main observable, the angle between the center of mass velocity of the kinematical reconstructed PLF* respect to the relative velocity of the PLF* break-up fragments. We show that prompt-dynamical emission is enhanced by increasing the projectile and target Isospin content in the entrance channel. It is found that the dynamical emission increases, separately, at the increasing of the projectile and target isospin respectively. Experimental results are compared within the framework of the Constrained Molecular Dynamic code.

Dependence from the Isospin of the entrance channel in Projectile-like (PLF) break-up at Fermi energies

G. Lanzalone;
2019

Abstract

The reactions 124Xe + 64Zn and 64Ni at 35 A MeV beam incident energy (InKiIsSy, Inverse Kinematic Isobaric System) were studied at INFN-LNS with the 4π CHIMERA detector and compared to results of previous studied reactions 124,112Sn + 64,58Ni. The Intermediate Mass Fragments (IMF) production probability and emission mechanism in the projectile-like fragments (PLF) fission were studied by using, as main observable, the angle between the center of mass velocity of the kinematical reconstructed PLF* respect to the relative velocity of the PLF* break-up fragments. We show that prompt-dynamical emission is enhanced by increasing the projectile and target Isospin content in the entrance channel. It is found that the dynamical emission increases, separately, at the increasing of the projectile and target isospin respectively. Experimental results are compared within the framework of the Constrained Molecular Dynamic code.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11387/137948
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