Physics analysis with the PHENIX electromagnetic calorimeter

Research output: Contribution to journalConference article

Abstract

The PHENIX detector at RHIC has been designed to study central Au + Au collisions at 200 GeV per nucleon pair. PHENIX measures muons in two muon spectrometers located forward and backward of midrapidity, and measures hadrons, electrons and photons in two central spectrometer arms, each of which covers 90 degrees in azimuth and ±0.35 units of rapidity. The final component of each central arm spectrometer is an electromagnetic calorimeter, which precisely measures the energy and time of arrival of particles created in relativistic heavy ion collisions. The calorimeter also provides electron and hadron identification capabilities by energy-momentum matching with the tracking measurement. It is also used for triggering on high energy photons and electrons. The operation, monitoring, calibration and the analysis methods used to deal with the high multiplicity environment are described. Results on neutral pion and direct photon production will be presented.

Original languageEnglish
Pages (from-to)682-686
Number of pages5
JournalIEEE Nuclear Science Symposium Conference Record
Volume2
Publication statusPublished - Dec 1 2004
Event2004 Nuclear Science Symposium, Medical Imaging Conference, Symposium on Nuclear Power Systems and the 14th International Workshop on Room Temperature Semiconductor X- and Gamma- Ray Detectors - Rome, Italy
Duration: Oct 16 2004Oct 22 2004

Keywords

  • Calorimeter
  • Direct
  • Electromagnetic
  • Electron
  • Embedding
  • Event
  • Hadron
  • Identification
  • Mixing
  • Neutral
  • PHENIX
  • Photon
  • Pion

ASJC Scopus subject areas

  • Radiation
  • Nuclear and High Energy Physics
  • Radiology Nuclear Medicine and imaging

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