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Open AccessProceedings

Study of Azimuthal Anisotropy of High-pT Charged Particles in Au Au Collisions at √sNN = 200 GeV with RHIC-PHENIX

by , for the PHENIX Collaboration
Department of Physics, Nara Women’s University, Nara 630-8506, Japan
Presented at Hot Quarks 2018—Workshop for young scientists on the physics of ultra relativistic nucleus-nucleus collisions, Texel, The Netherlands, 7–14 September 2018.
Proceedings 2019, 10(1), 42; https://doi.org/10.3390/proceedings2019010042
Published: 29 April 2019
We study the path length dependence of energy-loss in the Quark Gluon Plasma (QGP) by measuring the azimuthal anisotropy coefficient and transverse momentum ( p T ) spectra for charged hadrons in Au + Au at s N N = 200 GeV at the RHIC-PHENIX experiment. To estimate the strength of the energy-loss as a function of p T , we use the Δ p T which is the difference of p T which provide the same yields at in-plane and out-of-plane directions. The results indicate that there are different structures between low- p T and high- p T regions. At high- p T , the size of Δ p T increases as the centrality goes up. We also calculate the difference of the path length of in-plane and out-of-plane directions for each centrality. The difference of the path length increases along with the centrality and the tendency is the same with the Δ p T results.
Keywords: Quark Gluon Plasma; Azimuthal anisotropy; energy-loss; high transverse momentum Quark Gluon Plasma; Azimuthal anisotropy; energy-loss; high transverse momentum
MDPI and ACS Style

Nishitani, R., , for the PHENIX Collaboration; Study of Azimuthal Anisotropy of High-pT Charged Particles in Au Au Collisions at √sNN = 200 GeV with RHIC-PHENIX. Proceedings 2019, 10, 42.

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