from 24 February 2014 to 1 March 2014
Asia/Novosibirsk timezone
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Contribution Oral presentation


CMS ECAL performance and upgrade


  • Anton KARNEYEU

Primary authors

  • Anton KARNEYEU (Institute for Nuclear Research of the Russian Academy of Sciences)

Abstract content

The CMS ECAL is a hermetic, fine grained and homogeneous calorimeter containing 75848 lead-tungstate (PbWO₄) crystals, located inside the CMS superconducting solenoidal magnet. The scintillation light is detected by avalanche photodiodes (APDs) in the barrel section and by vacuum phototriodes (VPTs) in the two endcap sections. A silicon/lead pre-shower detector is installed in front of the endcaps. Presented is ECAL performance and upgrade plans.