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Relativistic Vlasov-Uehling-Uhlenbeck model for heavy-ion collisions

Journal Article · · Phys. Rev. C; (United States)
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The previously derived relativistic Vlasov equation from the Walecka model is generalized to include both a collision term and the self-interaction of the scalar meson. From studying the transverse momentum distribution in heavy-ion collisions, we conclude that the nuclear equation of state at high density is softer than that determined previously using the normal Vlasov-Uehling-Uhlenbeck model and is consistent with that from the analysis with a momentum-dependent potential. We have also found that in relativistic model the magnitude of the transverse momentum from heavy-ion collision is more sensitive to the value of the nucleon effective mass at saturation density than the value of the compressibility at this density.
Research Organization:
Cyclotron Institute and Center for Theoretical Physics, Texas AandM University, College Station, Texas 77843
OSTI ID:
5265651
Journal Information:
Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 37:5; ISSN PRVCA
Country of Publication:
United States
Language:
English

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Related Subjects

653003* -- Nuclear Theory-- Nuclear Reactions & Scattering
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON-BARYON INTERACTIONS
BARYONS
BOLTZMANN-VLASOV EQUATION
BOSON-EXCHANGE MODELS
BOSONS
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DIFFERENTIAL EQUATIONS
DISTRIBUTION FUNCTIONS
EFFECTIVE MASS
ELEMENTARY PARTICLES
EQUATIONS
EQUATIONS OF STATE
FERMIONS
FIELD THEORIES
FUNCTIONS
GENERAL RELATIVITY THEORY
HADRON-HADRON INTERACTIONS
HADRONS
HEAVY ION REACTIONS
INELASTIC SCATTERING
INTERACTIONS
LINEAR MOMENTUM
MASS
MATHEMATICAL MODELS
MATHEMATICAL SPACE
MEAN-FIELD THEORY
MESONS
NUCLEAR REACTIONS
NUCLEON-NUCLEON INTERACTIONS
NUCLEONS
PARTIAL DIFFERENTIAL EQUATIONS
PARTICLE INTERACTIONS
PARTICLE MODELS
PERIPHERAL MODELS
PHASE SPACE
PROBABILITY
RELATIVITY THEORY
SCALAR MESONS
SCATTERING
SPACE
TRANSVERSE MOMENTUM
WAVE FUNCTIONS