Production Cross Section of Neutron-Rich Calcium Isotopes in Heavy Ion Collisions

TL;DR

This study uses quantum molecular dynamics and GEMINI models to analyze neutron-rich calcium isotope production in heavy-ion collisions, revealing dependence on isospin and energy, with 48Ca and 54Ca being notably produced.

Contribution

It introduces a combined modeling approach to predict production cross sections of neutron-rich isotopes in heavy-ion collisions, highlighting isospin and energy effects.

Findings

Neutron-rich isotope production depends on isospin and incident energy.

48Ca and 54Ca are highly produced in neutron-rich systems at 30-150 MeV/nucleon.

Production cross sections vary with system isospin and collision energy.

Abstract

Based on the isospin-dependent quantum molecular dynamics model along with the GEMINI model, heavy-ion collisions at intermediate energies are studied. We calculate the production cross sections of different fragments for reactions of 112Sn+112Sn and 124Sn+124Sn at different beam energies. The species and production cross sections of neutron-rich isotopes are generally dependent on the isospin of the system and the incident energies. The nucleon 48Ca and 54Ca are more productive for the neutron-rich system at 30 to 150 MeV/nucleon.