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Entrance channel effects on fission fragment mass distribution in 12 C+ 169 Tm system
(Jagellonian University, 2019) Sood, Arshiya; Kumar, Pawan Santhosh Ashok; Sahoo, Rudra N.; Singh, Pushpendera P.; Yadav, Abhishek; Sharma, Vijay Raj; Sharma, Manoj Kumar; Aydın, Sezgin
With an aim to study different aspects of heavy-ion induced reactions following the evolution of compound nucleus formed via complete and/or incomplete fusion, the production cross sections of evaporation residues and fission-like fragments were measured in 12 C+ 169 Tm reaction at E lab = 77.18, 83.22, and 89.25 MeV. The recoil-catcher activation technique followed by offline ? spectroscopy was employed to measure the cross sections. Herein, we present the production cross sections of 26 fission-like fragments identified in this work. An attempt has been made to study the isotopic yield distribution and the mass distribution of fission-like fragments to discern various reaction mechanisms. The mass distribution of fission-like fragments was found to be symmetric and broad substantiating their formation from compound nuclear processes. The mass variances (? M 2 ) has been found to increase monotonically with excitation energy above the Coulomb barrier for deformed 169 Tm target, and with increase in mass asymmetry of the system. © 2019 Jagellonian University. All Rights Reserved.