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Formation of hypernuclei in relativistic ion, hadron and lepton collisions

Not scheduled
15m
2nd Floor

2nd Floor

Renaissance Portsmouth-Norfolk Waterfront Hotel 425 Water Street Portsmouth, VA 23704
Abstract Submission

Speaker

Dr Alexander Botvina (FIAS University of Frankfurt)

Description

The study of hypernuclei in deep-inelastic relativistic collisions of ion and other particle with nuclei open new opportunities for nuclear/particle physics and astrophysics. We review the main processes leading to the production of hypernuclei in these reactions: These are the disintegration of large excited hyper-residues (target- and projectile-like remnants with captured hyperons), and the coalescence of hyperons with other baryons into light clusters. We use the transport, coalescence and statistical models to describe the whole process, and demonstrate the advantages over the traditional hypernuclear methods: A broad distribution of predicted hypernuclei in masses and isospin allows for investigating properties of exotic hypernuclei, as well as the hypermatter both at high and low temperatures. We point at the abundant production of multi-strange nuclei and new bound/unbound hypernuclear states. The realistic estimates of hypernuclei yields in various collisions are presented. Many processes well known in normal reactions, such as evaporation, fission, multifragmentation, and Fermi-break-up are generalized and calculated for the case of excited hypermatter. There is a saturation of the hypernuclei production at high energies, therefore, the optimal way to pursue this experimental research is to use the accelerator facilities of intermediate energies.

Primary author

Dr Alexander Botvina (FIAS University of Frankfurt)

Presentation materials

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