Speaker
Description
One of the main physics goals of the Beam Energy Scan (BES) at RHIC is to study the phase diagram of the QCD matter, which separates a phase of quark-gluon plasma (QGP) from a phase of hadronic gas. The first phase of BES studied Au+Au collisions from center-of-mass energy ($\sqrt{s_{_{\rm{NN}}}} $) of 7.7 to 62.4 GeV. The BES Phase-II extended these measurements in several important ways, one of which was the addition of a fixed target program that pushed the energy reach down to a $\sqrt{s_{_{\rm{NN}}}} $ of 3.0 GeV (or $\mu_{\rm{B}}$ up to 720 MeV). Fixed target collisions at STAR allow for a more extensive scanning of the QCD phase diagram to an important region where the QCD critical point may lie, and to a region dominated by dense baryonic matter. Light-flavor hadron prouduction can constrain theoretical models of QCD dynamics, thus providing a method of identifying the transition from a hadronic gas to the QGP. In this poster, preliminary results on the yields of light-flavor hadrons [$\pi,\ \rm{K},\ \rm{p}$] from fixed target Au+Au collisions at STAR will be presented.
Category | Experiment |
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Collaboration (if applicable) | STAR |