### Session GH: Instrumentation II

9:00 AM–11:48 AM, Saturday, October 28, 2006
Gaylord Opryland Room: Cheekwood F

Chair: Joe Hamilton, Vanderbilt University

Abstract ID: BAPS.2006.DNP.GH.7

### Abstract: GH.00007 : The new PHENIX Reaction Plane Detector at RHIC

10:12 AM–10:24 AM

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#### Author:

Eric Richardson
(University of Maryland)

Determining event anisotropy is a key method used in the investigation of the hot dense partonic matter created at RHIC. The $v_{2}$ measurements of rare observables such as electrons, photons, $J/\psi$, and high $p_{T}$ particles provide rich information about the properties of this matter. Previous $v_{2}$ studies have been limited by statistics and reaction plane resolution. The installation of the new reaction plane detector at PHENIX will improve the reaction plane resolution in heavy ion collisions by a factor of 2 to  ~0.7. This talk will give an overview of the new PHENIX reaction plane detector’s components, and discuss the detector's design and expected results.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2006.DNP.GH.7