Mass-energy and angular distributions of fission fragments for the Ca-48+Sm-144,Sm-154 -> Pb-192,Pb-202, Ca-40+Sm-154 -> Pb-194 reactions have been measured. Fusion suppression and the presence of quasifission at energies near and below the Coulomb barrier have been observed for the reactions with the deformed target Sm-154. In the case of the spherical Sm-144 target no evidence of quasifission has been found. Quasifission cross sections have been extracted from total fission-like events by analysis of their mass and angular distributions.
Quasifission processes in Ca-40,Ca-48+Sm-144,Sm-154 reactions
MONTAGNOLI, GIOVANNA;SCARLASSARA, FERNANDO;
2007
Abstract
Mass-energy and angular distributions of fission fragments for the Ca-48+Sm-144,Sm-154 -> Pb-192,Pb-202, Ca-40+Sm-154 -> Pb-194 reactions have been measured. Fusion suppression and the presence of quasifission at energies near and below the Coulomb barrier have been observed for the reactions with the deformed target Sm-154. In the case of the spherical Sm-144 target no evidence of quasifission has been found. Quasifission cross sections have been extracted from total fission-like events by analysis of their mass and angular distributions.File in questo prodotto:
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