Strangeness production in antiproton-nucleus annihilation

The results of the microscopic transport calculations of -nucleus interactions within a GiBUU model are presented. The dominating mechanism of hyperon production is the strangeness exchange processes → γπ and → ΞK. The calculated rapidity spectra of Ξ hyperons are significantly shifted to forward rapidities with respect to the spectra of S = −1 hyperons. We argue that this shift should be a sensitive test for the possible exotic mechanisms of -nucleus annihilation. The production of the double Λ-hypernuclei by Ξ− interaction with a secondary target is calculated.

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Metadaten
Author:Alexei B. Larionov, Theodoros Gaitanos, Horst Lenske, Ulrich Mosel
URN:urn:nbn:de:hebis:30:3-273101
DOI:http://dx.doi.org/10.1051/epjconf/20123706007
ISSN:2100-014X
Parent Title (English):The European physical journal / Web of conferences : proceedings
Publisher:EDP Sciences
Place of publication:Les Ulis
Document Type:Conference Proceeding
Language:English
Date of Publication (online):06.06.2012
Date of first Publication:06.06.2012
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Volume:37
Issue:06007
Pagenumber:4
First Page:1
Last Page:4
Institutes:Frankfurt Institute for Advanced Studies
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Note:
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0 , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Licence (German):License LogoCreative Commons - Namensnennung 2.0

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