Centrality and transverse momentum dependence of higher-order flow harmonics of identified hadrons in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV - INSPIRE

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Centrality and transverse momentum dependence of higher-order flow harmonics of identified hadrons in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

STAR

Collaboration

Mar 14, 2022

15 pages

Published in:

Phys.Rev.C 105 (2022) 6, 064911

Published: Jun 27, 2022

e-Print:

2203.07204 [nucl-ex]

DOI:

10.1103/PhysRevC.105.064911 (publication)

Experiments:

BNL-RHIC-STAR

View in:

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Abstract: (APS)

We present high-precision measurements of elliptic, triangular, and quadrangular flow

v_{2}

,

v_{3}

, and

v_{4}

, respectively, at midrapidity for identified hadrons

π

,

p

,

K

,

φ

,

K_{s}

,

Λ

as a function of centrality and transverse momentum in Au+Au collisions at the center-of-mass energy

\sqrt{s_{N N}} = 200

GeV. We observe similar

v_{n}

trends between light and strange mesons which indicates that the heavier strange quarks flow as strongly as the lighter up and down quarks. The number-of-constituent-quark scaling for

v_{2}

,

v_{3}

, and

v_{4}

is found to hold within statistical uncertainty for

0 – 10 %

,

10 – 40 %

, and

40 – 80 %

collision centrality intervals. The results are compared to several viscous hydrodynamic calculations with varying initial conditions, and could serve as an additional constraint to the development of hydrodynamic models.

Note:

15 pages, 11 figures, submitted for publication

flow: higher-order
hydrodynamics: viscosity
model: hydrodynamics
quark: flow
GeV
hadron
triangulation
transverse momentum dependence
boundary condition
scaling

References(86)

Figures(11)

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