Reaction plane correlated triangular flow in Au+Au collisions at sNN =3 GeV

STAR Collaboration

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

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 v3 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, dv3/dy|(y=0), opposite in sign compared to the slope for directed flow. No significant v3 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.

Original languageEnglish
Article number044914
JournalPhysical Review C
Volume109
Issue number4
DOIs
Publication statusPublished - 2024 Apr

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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