Strange hadronic matter

  • In an extended mean field theory, we find a large class of bound multistrange objects, formed from combinations of {p,n,Λ,Ξ0,Ξ-} baryons, which are stable against strong decay. We predict a maximal binding energy per baryon of EB/A≊-21 MeV, strangeness per baryon fs≊1.2, charge per baryon fq≊-0.1 to 0, and baryon density 2.5–3 times that of ordinary nuclei. For A≥6, we obtain stable combinations involving only {Λ,Ξ0,Ξ-} hyperons.

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Author:Jürgen SchaffnerORCiDGND, Carl Bellman Dover, Avraham Gal, Carsten GreinerGND, Horst StöckerORCiDGND
Parent Title (German):Physical review letters
Document Type:Article
Date of Publication (online):2006/05/26
Year of first Publication:1993
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2006/05/26
Page Number:4
First Page:1328
Last Page:1331
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
PACS-Classification:10.00.00 THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS (for experimental methods and instrumentation for elementary-particle physics, see section 29) / 13.00.00 Specific reactions and phenomenology / 13.75.-n Hadron-induced low- and intermediate-energy reactions and scattering (energy (less-than-or-equal-to) 10 GeV) (for higher energies, see 13.85.-t) / 13.75.Ev Hyperon-nucleon interactions
20.00.00 NUCLEAR PHYSICS / 21.00.00 Nuclear structure (for nucleon structure, see 14.20.Dh Properties of protons and neutrons; 13.40.-f for electromagnetic processes and properties; 13.60.Hb for deep-inelastic structure functions) / 21.80.+a Hypernuclei
Licence (German):License LogoDeutsches Urheberrecht