Formation of hypernuclei in heavy-ion collisions around the threshold energies

A. S. Botvina, K. K. Gudima, J. Steinheimer, M. Bleicher, and J. Pochodzalla
Phys. Rev. C 95, 014902 – Published 11 January 2017

Abstract

In relativistic ion collisions there are excellent opportunities to produce and investigate hypernuclei. We have systematically studied the formation of hypernuclear spectator residues in peripheral heavy-ion collisions with the transport DCM and UrQMD models. The hyperon capture was calculated within the potential and coalescence approaches. We demonstrate that even at the beam energies around and lower than the threshold for producing Λ hyperons in binary nucleon-nucleon interactions a considerable amount of hypernuclei, including multistrange ones, can be produced. This is important for preparation of new experiments on hypernuclei in the wide energy range. The uncertainties of the predictions are investigated within the models, and the comparison with the strangeness production measured in experiments is also performed.

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  • Received 20 May 2016
  • Revised 14 November 2016

DOI:https://doi.org/10.1103/PhysRevC.95.014902

©2017 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

A. S. Botvina1,2, K. K. Gudima1,3, J. Steinheimer1, M. Bleicher1, and J. Pochodzalla4

  • 1Frankfurt Institute for Advanced Studies and ITP J. W. Goethe University, D-60438 Frankfurt am Main, Germany
  • 2Institute for Nuclear Research, Russian Academy of Sciences, 117312 Moscow, Russia
  • 3Institute of Applied Physics, Academy of Sciences of Moldova, MD-2028 Kishinev, Moldova
  • 4Helmholtz-Institut Mainz and Institut für Kernphysik, J. Gutenberg-Universität Mainz, Mainz D-55099, Germany

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Issue

Vol. 95, Iss. 1 — January 2017

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