Nucleon exchange in heavy-ion collisions within stochastic mean-field approach

TL;DR

This paper investigates nucleon exchange in heavy-ion collisions using a stochastic mean-field approach, deriving analytical expressions and comparing numerical results with phenomenological models and experimental data.

Contribution

It extends previous stochastic mean-field models to off-central collisions and provides analytical diffusion coefficients for nucleon exchange.

Findings

Analytical diffusion coefficients derived for nucleon exchange.

Numerical results agree with phenomenological models.

Results are consistent with experimental data.

Abstract

Nucleon exchange mechanism is investigated in deep-inelastic symmetric heavy-ion collisions in the basis of the Stochastic Mean-Field approach. By extending the previous work to off-central collisions, analytical expression is deduced for diffusion coefficient of nucleon exchange mechanism. Numerical calculations are carried out for ${}^{40}$Ca + ${}^{40}$Ca and ${}^{90}$Zr + ${}^{90}$Zr systems and the results are compared with the phenomenological nucleon exchange model. Also, calculations are compared with the available experimental results of deep-inelastic collisions between calcium nuclei.