Extracting the equation of state of nuclear matter through hydrodynamical analysis

Predominantly preliminary single and double inclusive momentum spectra of 158 AGeV Pb+Pb collisions, recently measured by the NA44 and NA49 Collaborations, are reproduced using the relativistic hydrodynamical model HYLANDER-C. Two different equations of state, which both contain a phase transition to a quark-gluon plasma, can be used to reproduce the (preliminary) data. The space-time geometries in the two calculations differ strongly. However, the Bose-Einstein correlation functions of identical pion pairs do not show such a strong, but still a significant sensitivity to the effects of the equations of state.

Note:

13 pages, including 8 figures. For a PostScript file of the manuscript, you can also goto http://t2.lanl.gov/schlei/eprint.html

scattering: heavy ion
nucleus nucleus: nuclear reaction
lead
nuclear matter
critical phenomena
quark gluon: plasma
hydrodynamics
thermodynamics
nucleus nucleus: inclusive reaction
hadron: hadroproduction

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