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  • 1
    Electronic Resource
    Electronic Resource
    Central region in relativistic heavy ion collisions; results from hydrodynamic calculations and cascade simulation (1988)
    Springer
    The European physical journal 38 (1988), S. 219-228 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Results of three dimensional hydrodynamic calculations with boost invariant longitudinal expansion are presented with special emphasis on the transverse momentum spectia of hadrons and production rates of dileptons. The effect and signatures of transverse collective motion are discussed in detail. The hydrodynamic results which are based on the assumption of the existence of a first order phase transition and formation of an equilibrium mixed phase are compared with cascade simulation where the mixed phase is modelled in terms of plasma droplets embedded in a pion gas. The comparison shows a great deal of similarity between the two approaches lending further support for the hydrodynamic approach.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01574540
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Equation of state and transverse expansion effects in heavy ion collisions (1992)
    Springer
    The European physical journal 55 (1992), S. 153-162 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The effects of the equation of state on the expansion of hadronic matter and on the dilepton production rates in heavy ion collisions are studied. We have used two widely different descriptions of the hadron phase and considered scenarios with and without phase transition. The hadron phase is treated either as a gas of ideal massless pions or, more realistically, as a gas of different kinds of massive hadrons with finite size. In the case of the hadron gas, the lifetime of the mixed phase is considerably reduced and the strength of transverse flow is enhanced. The properties of the equation of state are also reflected in dilepton spectra. In particular, the mass spectra which are obtained with the hadron gas equation of state differ clearly if the phase transition is assumed to occur or not.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01558300
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    On the momentum dependence ofJ/ψ suppression (1988)
    Springer
    The European physical journal 37 (1988), S. 623-626 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The formation of deconfined matter in high energy collisions is expected to result in reducedJ/ψ production. The finite space-time extension of any quark-gluon plasma thus produced leads to a rather characteristic dependence ofJ/ψ suppression on the longitudinal and transverse momentum of theJ/ψ. We study in particular the longitudinal momentum dependence and discuss its implications for nuclear collision experiments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01549723
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    Paper (German National Licenses)
    Fulltext
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