Bulk properties of the medium produced in relativistic heavy-ion collisions from the beam energy scan program
AGH University of Krakow · University of Kentucky · +52 more institutions
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Abstract
The beam-energy scan at RHIC aims to discover whether a critical point exists in the phase diagram of QCD. This paper reports on the most comprehensive measurement of single-particle spectra for a multitude of hadrons from the first run, taken with the STAR experiment. From these the authors infer the kinetic and chemical freeze-out temperatures and the baryon chemical potential as functions of beam energy and centrality. The results provide an opportunity for the beam-energy scan program at RHIC to enlarge the ($T,\ensuremath{\mu}\phantom{\rule{0}{0ex}}B$) region of the phase diagram to search for the QCD critical point.
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Authors
348Topics & keywords
Topics
Keywords
- Physics
- Relativistic Heavy Ion Collider
- Nuclear physics
- Multiplicity (mathematics)
- Kinetic energy
- Hadron
- Heavy ion
- Beam energy
UN Sustainable Development Goals
- Affordable and clean energy
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Funding
- NSNational Science FoundationAward: DE-SC0012704
- UDU.S. Department of EnergyAward: SC0012704
- NENational Energy Research Scientific Computing Center
- NRNational Research Foundation
- DODepartment of Science and Technology, Ministry of Science and Technology, India
- DODepartment of Atomic Energy, Government of India
- HHelmholtz-Gemeinschaft
- NNNational Natural Science Foundation of ChinaAward: DE-SC0012704
- BFBundesministerium für Bildung und ForschungAward: DE-SC0012704
- CAChinese Academy of Sciences
- MOMinistry of Education and Science of the Russian Federation
- NRNational Research Foundation of Korea
- NCNarodowe Centrum Nauki
- OOOffice of ScienceAwards: SC0012704, DE-SC0012704
- NPNuclear PhysicsAward: DE-SC0012704
- LBLawrence Berkeley National LaboratoryAward: DE-SC0012704