Formation of hypernuclei in high energy reactions within a covariant transport model

Details Formation of hypernuclei in high energy reactions within a covariant transport model Formation of hypernuclei in high energy reactions within a covariant transport model

2009-04-14

arxiv.org/abs/0904.2106v1

Phys.Lett.B675:297-304,2009

Physics

Nuclear Physics

Nuclear Theory

17 pages, 9 figures. Accepted for publication in Physics Letters B

Scientific paper

10.1016/j.physletb.2009.04.038

We investigate the formation of fragments with strangeness degrees of freedom in proton- and heavy-ion-induced reactions at high relativistic energies. The model used is a combination of a dynamical transport model and a statistical approach of fragment formation. We discuss in detail the applicability and limitations of such a hybrid model by comparing data on spectator fragmentation at relativistic $SIS/GSI$-energies. The theoretical results are analyzed in terms of spectator fragmentation with strangeness degrees of freedom such as the production of single-$\Lambda-{}^{3,4,5}He$ hypernuclei. We provide theoretical estimates on the spectra and on inclusive cross sections of light hypernuclei, which could be helpful for future experiments on hypernuclear physics at the new GSI- and J-PARC-facilities.

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