Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2011-01-14
Nov. probl. fundam. fiz., 1 (2011), p.47-50
Physics
High Energy Physics
High Energy Physics - Experiment
To appear in the proceedings of the Workshop "First Results from the LHC and Their Physical Interpretation" 19-21 October, 201
Scientific paper
The ALICE experiment is equipped with electromagnetic calorimeters of two different types: PHOS, the lead-tungstate photon spectrometer, and EMCAL, the sampling lead-scintillator calorimeter. These two detectors measure photon spectra in a wide kinematic range and allow the reconstruction of neutral mesons decaying into photons. The measurement of the inclusive spectra of neutral meson production in pp collisions will not only provide a test of perturbative QCD but also important reference data for future heavy-ion measurements. The status of the analysis of the data accumulated during the LHC proton-proton runs at collision energies of 7 TeV and 900 GeV is shown, and the feasibility to measure the pi0 and eta meson spectra in proton-proton collisions is demonstrated.
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