Bulletin of the American Physical Society
6th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Sunday–Friday, November 26–December 1 2023; Hawaii, the Big Island
Session F14: Relativistic Heavy Ions II
9:00 AM–11:45 AM,
Thursday, November 30, 2023
Hilton Waikoloa Village
Room: Kohala 4
Chair: Ron Soltz, Lawrence Livermore Natl Lab
Abstract: F14.00005 : Measurements of π, K, p spectra in fixed target collisions with STAR*
10:00 AM–10:15 AM
Presenter:
Mathias Labonte
(University of California, Davis)
Author:
Mathias Labonte
(University of California, Davis)
between the quark-gluon plasma (QGP) and hadronic matter. BES Phase-I studied Au+Au collisions from center-of-mass energy (√sNN) 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 √sNN of 3.0 GeV (or baryon chemical potential, μB 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. The production of light-flavor hadrons are sensitive to the properties of the hot QCD medium formed, as well as its dynamic evolution. Therefore, the detailed measurements of their productions can provide strong constraints on the physics quantities in the theoretical models of QCD, and may eventually help to reveal the location of the QCD critical point. In this talk, preliminary results on the yields of light-flavor hadrons [π, K, p] from fixed target Au+Au collisions at √sNN = 3.2-7.7 GeV will be presented.
* This material is based upon work supported by the National ScienceFoundation under Grant No. 2209614 (Cebra and Calderón de la Barca). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily represent the views of the National Science Foundation.
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