Effect of shapes degrees of freedom on the fusion cross-sections of 16O+154Sm and 18O+148Nd

Jain, Nishu and Rana, Shilpa and Joshua, T.M. and Kumar, Raj and Bhuyan, Mrutunjaya (2022) Effect of shapes degrees of freedom on the fusion cross-sections of 16O+154Sm and 18O+148Nd. In: 1st International Conference on Technologies for Smart Green Connected Society 2021, ICTSGS 2021, 29-30 November 2021, Virtual, Online.

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Abstract

The fusion dynamics of 16O + 154Sm and 18O+148Nd reactions has been investigated to observe the effect of shape degree of freedom on the fusion cross-section using the coupled channel (CC) calculations. The one dimentional barrier penetration model (1-D BPM) is observed to underestimate the experimental data mainly at below barrier energies. The coupled channel calculations including target projectile excitations with 1 phonon of vibrational state and 2+ rotational state of target reproduce the experimental fusion cross-section for 16O + 154Sm reaction at below barrier energies while show some discrepancy for 18O+148Nd reaction. This discrepancy for 18O+148Nd reaction can be addressed with the inclusion of low-lying states with neutron transfer channels and the neck-formation. © The Electrochemical Society

Item Type: Conference or Workshop Item (Paper)
Funders: Fundação de Amparo à Pesquisa do Estado de São Paulo [Grant no. FRGS/1/2019/STG02/UniMAP/02/2], Board of Research in Nuclear Sciences [Grant no. 58/14/12/2019-BRNS]
Uncontrolled Keywords: Barrier energy; Barrier penetration; Coupled-channel calculations; Low-lying state; Neck formation; Penetration models; Projectile excitation; Rotational state; Transfer channel; Vibrational state; Degrees of freedom (mechanics)
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 12 Feb 2025 04:14
Last Modified: 12 Feb 2025 04:14
URI: http://eprints.um.edu.my/id/eprint/43501

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