Bose-Einstein correlations of charged kaons were measured near mid-rapidity in central Pb + Pb collisions at 158 A GeV by the NA49 experiment at the CERN SPS. Source radii were extracted using the Yano-Koonin-Podgoretsky and Bertsch-Pratt parameterizations. The results are compared to published pion and kaon data. The measured m⊥ dependence for kaons and pions is consistent with collective transverse expansion of the source and a freeze-out time of about 9.5 fm.
|Number of pages||10|
|Journal||Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics|
|Publication status||Published - Apr 3 2003|
ASJC Scopus subject areas
- Nuclear and High Energy Physics