Köln 2004 – wissenschaftliches Programm

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HK: Physik der Hadronen und Kerne

HK 14: Poster Session: Heavy Ions

HK 14.8: Poster

Dienstag, 9. März 2004, 13:30–15:30, Foyer

New results from the CERES Electron Pair Spectrometer in Pb-Au collisions at 158 GeV/c per nucleon. — •Sergey Yurevich — Physikalisches Institut der Universität Heidelberg

In 2000 the CERES/NA45 experiment at the CERN SPS measured e⁺e⁻ pair production in Pb-Au collisions at 158 GeV/c per nucleon. The data sample taken during the 2000 run comprises about 32 million central collisions. The upgrade of the experimental setup with the radial drift TPC has improved the mass resolution and increased the rejection power as well as electron identification. Latest results on low-mass pair analysis will be presented.