Bulk properties of the medium produced in relativistic heavy-ion collisions from the beam energy scan program
By S. C. L. Adamczyk, J. K. Adkins, G. Agakishiev, M. Aggarwal, Z. Ahammed, N. Ajitanand, I. Alekseev, D. Anderson, R. Aoyama, A. Aparin and 330 more. 2017
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© 2017 American Physical Society. We present measurements of bulk properties of the matter produced in Au+Au collisions at sNN=7.7,11.5,19.6,27, and 39 GeV using identified hadrons (π±, K±, p, and p) from the STAR experiment in the Beam Energy Scan (BES) Program at the Relativistic Heavy Ion Collider (RHIC). Midrapidity (|y| < 0.1) results for multiplicity densities dN/dy, average transverse momenta (pT), and particle ratios are presented. The chemical and kinetic freeze-out dynamics at these energies are discussed and presented as a function of collision centrality and energy. These results constitute the systematic measurements of bulk properties of matter formed in heavy-ion collisions over a broad range of energy (or baryon chemical potential) at RHIC.
Subfields: Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/ce035c91988a01ad5c6456e9e4041cdd3eee4e35
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In Nuclear and High Energy Physics
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- Mapping the phases of quantum chromodynamics with beam energy scan (2019, background): “ass energies of 7.7, 11.5, 14.5, 19.6, 27, and 39 GeV. As an example, the results of the acceptance and eciency corrected spectra for ˇ , K , p, and ¯p taken at p s NN = 19:6GeV, are shown in Fig.21 [234]. These spectra are measured at mid-rapidity, jyj0:1, and over a transverse momentum range of 0:”