Identified particle production and freeze-out properties in heavy-ion collisions at RHIC Beam Energy Scan program
Institute of Physics, Bhubaneswar - 751005, India
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Published online: 24 March 2015
The first phase of Beam Energy Scan (BES) program at the Relativistic Heavy-Ion Collider (RHIC) was started in the year 2010 with the aim to study the several aspects of the quantum chromodynamics (QCD) phase diagram. The Solenoidal Tracker At RHIC (STAR) detector has taken data at √sNN = 7.7, 11.5, 19.6, 27, and 39 GeV in Au+Au collisions in the years 2010 and 2011 as part of the BES programme. For these beam energies, we present the results on the particle yields, average transverse mass and particle ratios for identified particles in mid-rapidity (|y| < 0.1). The measured particle ratios have been used to study the chemical freezeout dynamics within the framework of a statistical model.
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