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Comparison of source images for protons, pi-'s, and lambda's in 6A GeV Au+Au collisions
P Chung1, N N Ajitanand, J M Alexander
1Department of Chemistry, SUNY, Stony Brook, New York 11794-3400, USA.
Abstract:
Source images are extracted from two-particle correlations constructed from strange and nonstrange hadrons produced in 6A GeV Au+Au collisions. Very different source images result from pp vs p Lambda vs pi(-)pi(-) correlations. Scaling by transverse mass can describe the apparent source size ratio for p/pi(-) but not for Lambda/pi(-) or Lambda/p. These observations suggest important differences in the space-time emission histories for protons, pions, and neutral strange baryons produced in the same events.
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