Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1997-10-02
Phys.Rev.C57:3314-3318,1998
Physics
Nuclear Physics
Nuclear Theory
6 pages, Latex, 2 postscript figures
Scientific paper
10.1103/PhysRevC.57.3314
Using a simple final-state rescattering model coupled with a simple Coulomb model, the effects of the central Coulomb potential on pion interferometry measurements in 158 GeV/nucleon Pb+Pb collisions are explored. Although the central Coulomb potential does not introduce correlations between pions, it does prevent an accurate measurement of the momentum difference. This momentum difference smearing effect leads to a reduction in the measured correlation radii and lambda parameters. These distortions are important in 158 GeV/nucleon Pb+Pb collisions because of large source sizes and the strong central Coulomb potential.
Hardtke David
Humanic Thomas J.
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