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U.S. Department of Energy
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Kaon and pion interferometry. Final report

Technical Report ·
DOI:https://doi.org/10.2172/307888· OSTI ID:307888

Both NA44 and EOS continue to publish high quality data on relativistic heavy ion collisions. The next leap in energy will be provided by BRAHMS at RHIC. Experiment NA44 has measured particle correlations of {pi}{sup {+-}}, K{sup +} and protons and single particle distributions of {pi}{sup {+-}}, K{sup {+-}}, p, {anti p}, d and {anti d} for pA, SA and PbPb collisions at 450GeV/c, 200A{center_dot}GeV and 158A{center_dot}GeV for the p, S and Pb beams respectively. When the spectra are fitted to an exponential in m{sub T}, the inverse slopes increase as the system gets heavier and with increasing particle mass. For larger systems the baryon density at mid-rapidity increases implying more secondary collisions. These fuel a collective expansion and a boost in transverse momentum proportional to the mass as seen in the data. The EOS collaboration has continued to publish results from their large data set of heavy ion collisions at the BEVALAC. They plan to study the energy dependence of coalescence and flow by comparing results from NA44 and EOS.

Research Organization:
Texas A and M Univ., Cyclotron Inst., College Station, TX (United States)
Sponsoring Organization:
USDOE Office of Energy Research, Washington, DC (United States)
DOE Contract Number:
FG03-95ER40933
OSTI ID:
307888
Report Number(s):
DOE/ER/40933--T1; ON: DE99001485
Country of Publication:
United States
Language:
English