Temperature dependent study of neutron-rich thermally fissile 244−262Th and 246−264U nuclei within E-TRMF model

Add time:08/05/2019    Source:sciencedirect.com

We have studied the fission parameters of hot neutron-rich thermally fissile T244−262h and U246−264 nuclei within the temperature dependent effective field theory motivated relativistic mean field (E-TRMF) formalism by using the recently developed FSUGarnet and IOPB-I parameter sets. The results obtained by these two forces are compared with the results of the well known and widely accepted NL3 parameter set. The excitation energy E⁎, shell correction energy δEshell, single particle energy for neutrons and protons ϵn,p, level density parameter a, neutron skin thickness ΔR, two neutron separation energy S2n, and asymmetry energy coefficient asym of these neutron-rich thermally fissile nuclei are calculated at finite temperature. The dependency of level density parameter and other observables on the temperature and the force parameters (interaction Lagrangian) are discussed.

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