High-pt direct photon-hadron correlations using the PHENIX detector

M. Nguyen, Peter Christiansen, Hans-Åke Gustafsson, Eva Haslum, Anders Oskarsson, Sarah Rosendahl, Evert Stenlund

Research output: Contribution to journalArticlepeer-review

9 Citations (SciVal)

Abstract

Direct photons are a powerful probe to study the property of quark–gluon plasma (QGP) in high energy heavy-ion collisions. In non-central collisions, the anisotropy of the collision region produces the different pressure gradients and particle density that results in different anisotropy of particle emission, depending on the production processes of photons. Therefore, an azimuthal anisotropy parameter v2 is a powerful tool to explore the source of direct photons. We report on the latest direct photon analysis of the nuclear modification factor in and 62.4 GeV Au + Au collisions, and v2 at high pT in 200 GeV Au + Au collisions at RHIC-PHENIX (Run4). We also present the analysis status, using a larger statistics and better reaction plane information from a new detector available from RHIC Run7 data.
Original languageEnglish
Article number104122
JournalJournal of Physics G: Nuclear and Particle Physics
Volume35
Issue number10
DOIs
Publication statusPublished - 2008

Subject classification (UKÄ)

  • Subatomic Physics

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