• Manoj K Sharma

      Articles written in Pramana – Journal of Physics

    • Dynamics of light, intermediate, heavy and superheavy nuclear systems formed in heavy-ion collisions

      Manoj K Sharma Gurvinder Kaur

      More Details Abstract Fulltext PDF

      The dynamical description of light, intermediate, heavy and superheavy nuclei formed in heavy-ion collisions is worked out using the dynamical cluster decay model (DCM), with reference to various effects such as deformation and orientation, temperature, angular momentum etc. Based on the quantum mechanical fragmentation theory (QMFT), DCM has been applied to understand the decay mechanism of a large number of nuclei formed in low-energy heavy-ion reactions. Various features related to the dynamics of competing decay modes of nuclear systems are explored by addressing the experimental data of a number of reactions in light, intermediate, heavy and superheavy mass regions. The DCM, being a non-statistical description for the decay of a compound nucleus, treats light particles (LPs) or equivalently evaporation residues (ERs), intermediate mass fragments (IMFs) and fission fragments on equal footing and hence, provides an alternative to the available statistical model approaches to address fusion–fission and related phenomena.

    • Cluster decay analysis and related structure effects of fissionable heavy and superheavy nuclei

      Manoj K Sharma Gurvinder Kaur

      More Details Abstract Fulltext PDF

      Collective clusterization approach of dynamical cluster decay model (DCM) has been applied to study the attributes of hot ($T \neq 0$) and rotating ($\ell = 0$) nuclei lying in heavy and super-heavy mass regimes. We present here an overview of the characteristic fission decay properties such as shell effect, role of entrance channel, quadrupole (𝛽2) deformations and impact of hot (equatorial) compact orientation degree of freedom in comparison to cold (polar) elongated configuration. The presence of non-compound nucleus process, i.e., quasifission, is also investigated. Apart from studying the decay of excited state nuclei, the dynamics of heavy particle cluster emission is also addressed using the preformed cluster model (PCM).

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