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Potential physics measurement with ALICE electromagnetic calorimeters

Abstract : We present the two electromagnetic calorimeters of the ALICE (A Large Ion Collider Experiment) experiment at LHC (Large Hadron Collider). One is the high-resolution PHOton Spectrometer (PHOS) made of lead tungsten crystals and the other is the ElectroMagnetic Calorimeter (EMCal), a Lead-Scintillator sampling calorimeter. They are dedicated to the measurement and identification of direct photons, light neutral mesons such as π0, η and ω(782), and jets emitted in proton-proton and heavy-ion collisions at the LHC energies. The PHOS is capable of precisely detecting photons with momentum range between 0.1 GeV/c and 100 GeV/c and the EMCal can extend the prompt photon and light neutral meson momentum measurement beyond 200 GeV/c. The objective of the study is to explore the physics of strongly interacting QCD matter under extreme conditions of energy density.
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Contributor : Dominique Girod <>
Submitted on : Tuesday, May 11, 2010 - 10:33:02 AM
Last modification on : Friday, June 22, 2018 - 9:33:47 AM



D.C. Zhou, Y.X. Mao, R.Z. Wan, Y. Schutz, Z.-B. Yin, et al.. Potential physics measurement with ALICE electromagnetic calorimeters. 10th International Conference on Nucleus-Nucleus Collisions (NN2009), Aug 2009, Beijing, China. pp.291c-294c, ⟨10.1016/j.nuclphysa.2010.01.001⟩. ⟨in2p3-00482658⟩



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