Eur. Phys. J. C 10, 483-486
Bose-Einstein correlations and the equation of state of nuclear matter
B.R. Schlei1 - D. Strottman2 - J.P. Sullivan1 - H.W. van Hecke1
1 Physics Division, P-25, Los Alamos National Laboratory, Los Alamos, NM 87545,
(e-mail: schlei, sullivan, hubert@LANL.gov)
2 LANSCE Division and Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
Received: 19 April 1999 / Published online: 15 July 1999
Within a relativistic hydrodynamic framework, we use four different equations of state of nuclear matter to compare to experimental spectra from CERN/SPS experiments NA44 and NA49. Freeze-out hypersurfaces and Bose-Einstein correlation functions for identical pion pairs are discussed. We find that two-pion Bose-Einstein interferometry measures the relationship between the temperature and the energy density in the equation of state during the late hadronic stage of the fireball expansion. Little sensitivity of the light-hadron data to a quark-gluon plasma phase-transition is seen.