Fragmentation analysis of α-induced reactions using clusterization approach

The dynamics of α-induced reactions are worked out over an incident beam energy Eα∼10-15MeV using targets of different masses. The decay patterns of odd mass compound systems 117Sb⁎, 145Pm⁎ and 191Ir⁎ formed in α+113In, α+141Pr and α+187Re reactions are investigated in view of n-evaporation data. The methodology of collective clusterization is applied by optimizing the neck-length parameter ΔR and the DCM calculated cross-sections find nice agreement with the experimental data. The resulting compound systems with ACN=117-191 cover a wide range of compound nucleus mass, and hence give an opportunity to explore various aspects related to the dynamics involved. Moreover the neutron-proton asymmetry dependence is explored in terms of the Bulk constant (α) (in the liquid drop binding energy expression) and radius term Ri and its consequent influence on the fragmentation structure of these compound systems is investigated.