Abstract
The study of quarkonium production in relativistic heavy-ion collisions provides an insight into the properties of the produced medium. The lattice studies show a sequential suppression of quarkonia states when compared to normal nuclear matter; which further affirms that a full spectroscopy including bottomonium can provide us with a better thermometer for the matter produced under extreme conditions in relativistic heavy-ion collisions. With the completion of the STAR electromagnetic calorimeter and with the increased luminosity provided by RHIC in Runs 6 and 7, the study of ϒ production via the di-electron channel becomes possible. We present preliminary results on ϒ measurements in p+p collisions (from Run 6) along with preliminary results from Au+Au collisions (in Run 7) at from the STAR experiment.
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