Energy of vanishing flow: mass-isospin dependence

TL;DR

This paper investigates how isospin influences the energy at which nuclear flow vanishes across various masses, highlighting Coulomb repulsion's dominant role over symmetry energy in this phenomenon.

Contribution

It provides a comparative analysis of isospin effects on balance energy, emphasizing Coulomb repulsion's influence over symmetry energy across different nuclear systems.

Findings

Coulomb repulsion significantly affects balance energy differences.

Symmetry energy plays a lesser role compared to Coulomb effects.

Balance energy varies with isospin and mass of nuclear systems.

Abstract

We study the effect of isospin degree of freedom on balance energy throughout the mass range between 50 and 350 for two sets of isotopic systems with N/Z = 1.16 and 1.33 as well as isobaric systems with N/A = 1.0 and 1.4. Our findings indicate that different values of balance energy for two isobaric systems may be mainly due to the Coulomb repulsion. We also demonstrate clearly the dominance of Coulomb repulsion over symmetry energy.