,HBT Parameters and Space-Momentum Correlations in Relativistic Heavy-Ion Collisions

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Using the relativistic quantum molecular dynamics approach, with a correlation after-buer, the physics of the transverse momentum dependence of the Hanbury-Brown and Twiss parameters is studied for Au t Au, Si + Si and p + p collisions at the centre-of-mass energy v s = 200 AGeV. The results indicate that the space-momentum correlations would affect such dependence in both heavy-ion and elementary collisions. The size parameters as a function of the transverse mass mt are sensitive to the degree of space-momentum correlations.
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