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  • 1985-1989  (3)
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Material
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Year
  • 1
    Electronic Resource
    Electronic Resource
    On the phenomenology of deconfinement and chiral symmetry restoration (1986)
    Springer
    The European physical journal 33 (1986), S. 151-156 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We consider a three-phase model of strongly interacting matter, treating each phase as an ideal gas modified by a simple phenomenological interaction feature. For nuclear matter, we take into account the baryonic repulsion; for the quark-gluon plasma, we include the bag pressure; the constituent quark phase has a non-zero effective quark mass as well as an independent bag pressure. By studying which phase dominates thermodynamically in what region of temperature and baryon number density, we obtain a phase diagram for strongly interacting matter and gain some insight on the relation between deconfinement and chiral symmetry restoration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01410462
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Strangeness production as a signal for quark-gluon plasma formation in high energy particle collisions (1985)
    Springer
    The European physical journal 27 (1985), S. 633-637 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Strangeness production in hot nuclear matter in the non-interacting gas approximation with anU B(1)×US(1) internal symmetry group is discussed. It is argued that the strangeness abundancy ratio in the quark-gluon plasma as compared to the hadron gas strongly depends on under which thermodynamical circumstances it has been computed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01436520
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Statistical thermodynamics in relativistic particle and ion physics: Canonical or grand canonical? (1985)
    Springer
    The European physical journal 27 (1985), S. 541-551 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We consider relativistic statistical thermodynamics of an ideal Boltzmann gas consisting of the particlesK, N, Λ, Σ and their antiparticles. Baryon number (B) and strangeness (S) are conserved. While any relativistic gas is necessarily grand canonical with respect to particle numbers, conservation laws can be treated canonically or grand canonically. We construct the partition function for canonicalB×S conservation and compare it with the grand canonical one. It is found that the grand canonical partition function is equivalent to a largeB approximation of the canonical one. The relative difference between canonical and grand canonical quantities seems to decrease like const/B (two numerical examples) and from this a simple thumb rule for computing canonical quantities from grand canonical ones is guessed. For precise calculations, an integral representation is given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01436508
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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