Charm- and bottom-quark production in Au+Au collisions at sNN=200 GeV

This is the authors' abstract. We don't add key points for this paper.

The invariant yield of electrons from open-heavy-flavor decays for 1<pT<8 GeV/c at midrapidity |y|<0.35 in Au+Au collisions at √sNN = 200 GeV has been measured by the PHENIX experiment at the BNL Relativistic Heavy Ion Collider. A displaced-vertex analysis with the PHENIX silicon-vertex detector enables extraction of the fraction of charm and bottom hadron decays and unfolding of the invariant yield of parent charm and bottom hadrons. The nuclear-modification factors RAA for electrons from charm and bottom hadron decays and heavy-flavor hadrons show both a centrality and a quark-mass dependence, indicating suppression in the quark-gluon plasma produced in these collisions that is medium sized and quark-mass dependent.11 MoreReceived 5 April 2022Revised 31 January 2024Accepted 23 February 2024DOI:https://doi.org/10.1103/PhysRevC.109.044907©2024 American Physical SocietyPhysics Subject Headings (PhySH)