The ALICE experiment at CERN is aimed to explore QCD matter created in heavy‐ion collisions at LHC energies. The electromagnetic calorimeter PHOS is designed for ALICE to detect and identify photons in extremely high particle‐densities and thus to reach to the early stage of collisions via photonic signals. The first module out of five is now under assembly. The brief overview of design and status are described in this paper.

Topics
Heavy-ion collisions, Large Hadron Collider, Calorimetry
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© 2006 American Institute of Physics.
2006
American Institute of Physics
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