Bulletin of the American Physical Society
APS April Meeting 2024
Wednesday–Saturday, April 3–6, 2024; Sacramento & Virtual
Session M15: Heavy Ions I
1:30 PM–3:06 PM,
Friday, April 5, 2024
SAFE Credit Union Convention Center
Room: Ballroom B6-7, Floor 2
Sponsoring
Unit:
DNP
Chair: Senta Victoria Greene, Vanderbilt
Abstract: M15.00006 : Towards π±, K±, p/ ̄p hadron productionmeasurements in fixed target collisions withSTAR
2:30 PM–2:42 PM
Presenter:
Mathias Labonte
(University of California, Davis)
Author:
Mathias Labonte
(University of California, Davis)
gram at RHIC is to study the QCD phase diagram, especially around the
phase transition between the quark-gluon plasma (QGP) and hadronic
matter. BES Phase-I studied Au+Au collisions from center-of-mass en-
ergy (√sNN ) of 7.7 to 62.4 GeV. The BES Phase-II extended these mea-
surements in several important ways, one of which was the addition of
a fixed target program that pushed the collision energy reach down to
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 and dynamic evolution
of the formed hot QCD medium. Therefore, the detailed measurements of
their productions can provide strong constraints on the theoretical mod-
els of QCD, and may eventually help to reveal the location of the QCD
critical point. In this talk, the key detector validation checks towards
such hadron production measurements are presented, including the com-
parisons of hadron yields in the same kinematic region but using different
particle identification systems.
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