Bulk Properties of the Medium Produced in Relativistic Heavy-Ion Collisions from the Beam Energy Scan Program - INSPIRE

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Bulk Properties of the Medium Produced in Relativistic Heavy-Ion Collisions from the Beam Energy Scan Program

STAR

Collaboration

•

L. Adamczyk
(
- AGH-UST, Cracow
)

Jan 24, 2017

33 pages

Published in:

Phys.Rev.C 96 (2017) 4, 044904

Published: Oct 13, 2017

e-Print:

1701.07065 [nucl-ex]

DOI:

10.1103/PhysRevC.96.044904

Experiments:

BNL-RHIC-STAR

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Abstract: (APS)

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.

Note:

35 pages, 38 figures

25.75.Gz
25.75.Nq
25.75.-q
25.75.Dw
nuclear properties
nuclear matter
rapidity
multiplicity: density
transverse momentum
freeze-out: kinetic

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Figures(48)

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