Formation of hypernuclei in evaporation and fission processes

TL;DR

This paper extends nuclear decay models to hyper-matter, exploring how hypernuclei form through evaporation and fission in high-energy collisions, offering insights into hyperon interactions and exotic isotope production.

Contribution

The study generalizes established decay models for normal nuclei to include hyper-matter, enabling analysis of hypernuclei formation in relativistic collisions.

Findings

Hypernuclei can be produced via evaporation and fission in high-energy collisions.

New decay channels significantly affect isotope distributions.

Potential to investigate hyperon interactions through exotic hypernuclei.

Abstract

There are excellent opportunities to produce excited heavy hyper residues in relativistic hadron and peripheral heavy-ion collisions. We investigate the disintegration of such residues into hyper nuclei via evaporation of baryons and light clusters and their fission. Previously these processes were well known for normal nuclei as the decay channels at low excitation energies. We have generalized these models for the case of hyper-matter. In this way we make extension of nuclear reaction studies at low temperature into the strange sector. We demonstrate how the new decay channels can be integrated in the whole disintegration process. Their importance for mass and isotope distributions of produced hyper-fragments is emphasized. New and exotic isotopes obtained within these processes may provide a unique opportunity for investigating hyperon interaction in nuclear matter.