Measurements of the Elliptic and Triangular Azimuthal Anisotropies in Central He 3 + Au , d + Au and p + Au Collisions at s N N = 200 GeV
Journal Article
·
· Physical Review Letters
The elliptic (v2) and triangular (v3) azimuthal anisotropy coefficients in central 3He + Au, d + Au, and p + Au collisions at $$\sqrt{S_{NN}}$$ = 200 GeV are measured as a function of transverse momentum (PT) at midrapidity (|n| < 0.9) via the azimuthal angular correlation between two particles both at |n| < 0.9 while the v2(PT) values depend on the colliding systems, the v3(PT) values are system independent within the uncertainties, suggesting an influence on eccentricity from subnucleonic fluctuations in these small-sized systems. Furthermore, these results also provide stringent constraints for the hydrodynamic modeling of these systems.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States); Texas A & M Univ., College Station, TX (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- Contributing Organization:
- STAR Collaboration
- Grant/Contract Number:
- SC0012704; SC0017982
- OSTI ID:
- 1973515
- Alternate ID(s):
- OSTI ID: 2222663
- Report Number(s):
- BNL-224286-2023-JAAM; TRN: US2313908
- Journal Information:
- Physical Review Letters, Vol. 130, Issue 24; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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