Reaction plane correlated triangular flow in <math><mtext>Au</mtext><mo>+</mo><mtext>Au</mtext></math> collisions at <math><mrow><msqrt><msub><mi>s</mi><mrow><mi>N</mi><mi>N</mi></mrow></msub></msqrt><mo>=</mo><mn>3</mn></mrow></math> GeV - INSPIRE

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Reaction plane correlated triangular flow in $Au + Au$ collisions at $\sqrt{s_{N N}} = 3$ GeV

STAR

Collaboration

Sep 21, 2023

13 pages

Published in:

Phys.Rev.C 109 (2024) 4, 044914

Published: Apr 19, 2024

e-Print:

2309.12610 [nucl-ex]

DOI:

10.1103/PhysRevC.109.044914 (publication)

Experiments:

BNL-RHIC-STAR

View in:

ADS Abstract Service

reference search4 citations

Citations per year

Abstract: (APS)

We measure triangular flow relative to the reaction plane at 3 GeV center-of-mass energy in

Au + Au

collisions at the BNL Relativistic Heavy Ion Collider. A significant

v_{3}

signal for protons is observed, which increases for higher rapidity, higher transverse momentum, and more peripheral collisions. The triangular flow is essentially rapidity-odd with a slope at midrapidity,

d v_{3} {/ d y |}_{(y = 0)}

, opposite in sign compared to the slope for directed flow. No significant

v_{3}

signal is observed for charged pions and kaons. Comparisons with models suggest that a mean field potential is required to describe these results, and that the triangular shape of the participant nucleons is the result of stopping and nuclear geometry.

Note:

12 pages, 14 figures

experimental results
STAR
heavy ion: scattering
transverse momentum: high
potential: mean field approximation
rapidity
triangular flow
slope
nucleon
geometry

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