Dynamical Aspects Of Decay Of Exotic Nuclear Systems

Abstract

The studies related to the heavy-ion (HI) fusion reactions and associated nuclear decays newlineare at the forefront of nuclear research these days. Theoretically, various models have newlinebeen developed to address the process of HI collisions in different mass regions. As the newlineaim of this thesis is to study the decay dynamics of exotic nuclear systems, so most of the newlinenuclear systems under study are neutron-rich or proton rich. In this thesis, the ground newlinestate (T = 0, and#8467; = 0) decay of proton-rich drip line nuclei are studied under the formalism newlineof the preformed cluster decay model (PCM). The dynamical cluster-decay model (DCM), newlinewhich is an extension to PCM, has been used to study different nuclear emissions from newlinehot (T 6= 0) and rotating (and#8467; 6= 0) neutron-rich and neutron-deficient composite systems newlineformed in HI reactions. The benefit of DCM is that it treats the binary fragmentation of newlineemitting compound nucleus as light particles (LPs), intermediate mass fragments (IMFs), newlineas well as symmetric mass fragments (SMFs) on equal footings, which is not the case with newlineother fission and statistical models. The only free parameter of DCM, the neck length newlineparameter (and#8710;R), is optimized with reference to the available experimental data. We have newlinealso explored the role of and#8710;R in the HI reactions at low energy within DCM. newline