{ital m}{sub {ital T}} Dependence of Boson Interferometry in Heavy Ion Collisions at the CERN SPS
Journal Article
·
· Physical Review Letters
First results of the {ital m}{sub {ital T}} dependence of {pi}{sup +}{pi}{sup +} and {ital K}{sup +}{ital K}{sup +} correlations from S+Pb collisions at 200 GeV/{ital c} per nucleon measured by the focusing spectrometer of the NA44 experiment at CERN are presented. Multidimensional fits characterize the pion and kaon emission volume. The pion radius parameter decreases with increasing {ital p}{sub {ital T}}. Furthermore, the pion and kaon radii show a common 1/{ital rad}{ital rcd}{ital m}{sub {ital T}}{ital rcd}{ital rad} dependence. This behavior can be interpreted as a result of a strong momentum-position correlation arising from collective flow.
- OSTI ID:
- 44882
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 17 Vol. 74; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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