Role of neutron and proton system in spin cut off parameter and entropy of 89,90Y

Experimental evidences of a first-order phase transition from a superfluid to a non-interacting Fermi gas system are studied for [Formula: see text]Mo isotopes. The experimental observations are compared with the semi-empirical macroscopic model and superfluid formalism. We have shown that the entropy excess ratio introduced in our previous publications within the superfluid model can describe the first-order phase transition due to pair-breaking in atomic nuclei.

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Level-density parameter in natural radioactive nuclei

Abyar

Razavi

2022

Mod. Phys. Lett. A

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The intrinsic level-density parameters in natural radioactive nuclei, which emit alpha particles, have been extracted within a microscopic formalism based on the BCS model with inclusion of pairing interaction. Then, total level-density parameters considering the collective effects are obtained. In addition, the level-density parameter excess of total level-density parameter compared to the intrinsic level-density parameter as a function of excitation energy has been determined for each nucleus. A cusp in the level-density parameter excess is observed at energies about neutron binding energy for prolate deformed nuclei with [Formula: see text]. However, the level-density parameter excess behavior is quite incremental for the considered nuclei with [Formula: see text].

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Role of neutron and proton system in spin cut off parameter and entropy of 89,90Y

Cited by 7 publications

References 17 publications

Systematic of critical temperature of nuclear pairing transition

Systematic of critical temperature of nuclear pairing transition

First-order phase transition in ⁹⁷,⁹⁸Mo isotopes

Level-density parameter in natural radioactive nuclei

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Role of neutron and proton system in spin cut off parameter and entropy of 89,90Y

Cited by 7 publications

References 17 publications

Systematic of critical temperature of nuclear pairing transition

Systematic of critical temperature of nuclear pairing transition

First-order phase transition in 97,98Mo isotopes

Level-density parameter in natural radioactive nuclei

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Product

Resources

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First-order phase transition in ⁹⁷,⁹⁸Mo isotopes