5-12 July 2017
Venice, Italy
Europe/Zurich timezone
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High pT single identified particles in various collision systems with the PHENIX detector at RHIC

6 Jul 2017, 17:45
15m
Room Mangano (Palazzo del Casinò)

Room Mangano

Palazzo del Casinò

Parallel Talk Heavy Ion Physics Heavy ion physics

Speakers

Klaus Dehmelt (Stony Brook University USA) Klaus Dehmelt (State University of New York Stony Brook (US)) Klaus Dehmelt (Stony Brook University USA)

Description

Jet quenching in the hot, dense medium formed in Au+Au collisions leads to the suppression of high $p_T$ particles which can be studied with the measurement of the leading hadrons, like $\pi_0$. They can be used to investigate the mechanism of energy loss of partons in a QGP when varying the collision geometry.

Asymmetric Cu+Au collisions provide a system with similar energy density but different collision geometry when compared to Au+Au, with the same number of nucleon-nucleon collisions. Furthermore, at RHIC we can study different highly asymmetric collisions, such as p+Au, d+Au and $^3$He+Au. The observation of collective behavior in these systems suggests the creation of a medium, but alternate explanations exist. The systematic study of the $\pi_0$ production could give us a deeper understanding of the physics in these very asymmetric systems.

We present new measurements of $\pi_0$ with PHENIX in the asymmetric collisions at midrapidity $|\eta|<$ 0.35 with collision energy $\sqrt{s_{NN}}$ = 200 GeV.

Experimental Collaboration PHENIX collaboration

Primary author

Klaus Dehmelt (Stony Brook University USA)

Presentation Materials