A1 Journal article (refereed)
Charm- and bottom-quark production in Au+Au collisions at √sNN = 200 GeV (2024)

PHENIX Collaboration. (2024). Charm- and bottom-quark production in Au+Au collisions at √sNN = 200 GeV. Physical Review C, 109(4), Article 044907. https://doi.org/10.1103/PhysRevC.109.044907

JYU authors or editors

Publication details

All authors or editors: PHENIX Collaboration

Journal or series: Physical Review C

ISSN: 2469-9985

eISSN: 2469-9993

Publication year: 2024

Publication date: 10/04/2024

Volume: 109

Issue number: 4

Article number: 044907

Publisher: American Physical Society (APS)

Publication country: United States

Publication language: English

DOI: https://doi.org/10.1103/PhysRevC.109.044907

Publication open access: Not open

Publication channel open access: 

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/94598

Publication is parallel published: https://arxiv.org/abs/2203.17058

Abstract

The invariant yield of electrons from open-heavy-flavor decays for 1<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.

Keywords: particle physics; quarks; quark-gluon plasma

Contributing organizations

Ministry reporting: Yes

Reporting Year: 2024

Preliminary JUFO rating: 2