CHIRAL MODEL FOR DENSE, HOT AND STRANGE HADRONIC MATTER

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Until now it is not possible to determine the equation of state (EOS) of hadronic matter from QCD. One successfully applied alternative way to describe the hadronic world at high densities and temperatures are effective models like the RMF-models, where the relevant degrees of freedom are baryons and mesons instead of quarks and gluons. Since approximate chiral symmetry is an essential feature of QCD, it should be a useful concept for building and restricting effective models. It has been shown that effective {sigma}-{omega}-models including SU(2) chiral symmetry are able to obtain a reasonable description of nuclear matter and finite nuclei. ... continued below

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5 pages

Creation Information

Zschiesche, D.; Papazoglou, P.; Beckmann, C. W.; Schramm, S.; Schaffner-Bielich, J.; Stoker, H. et al. June 10, 1999.

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Description

Until now it is not possible to determine the equation of state (EOS) of hadronic matter from QCD. One successfully applied alternative way to describe the hadronic world at high densities and temperatures are effective models like the RMF-models, where the relevant degrees of freedom are baryons and mesons instead of quarks and gluons. Since approximate chiral symmetry is an essential feature of QCD, it should be a useful concept for building and restricting effective models. It has been shown that effective {sigma}-{omega}-models including SU(2) chiral symmetry are able to obtain a reasonable description of nuclear matter and finite nuclei. Recently [4] the authors have shown that an extended SU(3) x SU(3) chiral {sigma}-{omega} model is able to describe nuclear matter ground state properties, vacuum properties and finite nuclei satisfactorily. This model includes the lowest SU(3) multiplets of the baryons (octet and decuplet), the spin-0 and the spin-1 mesons as the relevant degrees of freedom. Here they discuss the predictions of this model for dense, hot, and strange hadronic matter.

Physical Description

5 pages

Notes

INIS; OSTI as DE00755057

Source

  • 15TH INTERNATIONAL CONFERENCE ON PARTICLE AND NUCLEI, UPPSALA (SE), 06/10/1999--06/16/1999

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  • Report No.: BNL--67332
  • Report No.: KB0201
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 755057
  • Archival Resource Key: ark:/67531/metadc707971

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  • June 10, 1999

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 9, 2015, 6:15 p.m.

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Zschiesche, D.; Papazoglou, P.; Beckmann, C. W.; Schramm, S.; Schaffner-Bielich, J.; Stoker, H. et al. CHIRAL MODEL FOR DENSE, HOT AND STRANGE HADRONIC MATTER, article, June 10, 1999; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc707971/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.