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May 21 – 26, 2017
Beijing International Convention Center
Asia/Shanghai timezone

The CMS ECAL Upgrade for Precision Crystal Calorimetry at the HL-LHC

May 23, 2017, 5:24 PM
18m
Room 305C (Beijing International Convention Center)

Room 305C

Beijing International Convention Center

No.8 Beichen Dong Road, Chaoyang District, Beijing P. R. China 100101
oral Experimental detector systems R2-Experimental detector systems(3)

Speaker

Patrizia Barria (University of Virginia, on behalf of the CMS Collaboration)

Description

The electromagnetic calorimeter (ECAL) of the Compact Muon Solenoid Experiment (CMS) is operating at the Large Hadron Collider (LHC) in 2016 with proton-proton collisions at 13 TeV center-of-mass energy and at a bunch spacing of 25 ns. Challenging running conditions for CMS are expected after the High-Luminosity upgrade of the LHC (HL-LHC). We review the design and R&D studies for the CMS ECAL crystal calorimeter upgrade and present first test beam studies. Particular challenges at HL-LHC are the harsh radiation environment, the increasing data rates and the extreme level of pile-up events, with up to 200 simultaneous proton-proton collisions. We present test beam results of hadron irradiated PbWO crystals up to fluences expected at the HL-LHC. We also report on the R&D for the new readout and trigger electronics, which must be upgraded due to the increased trigger and latency requirements at the HL-LHC.

Primary authors

Adi Bornheim (On behalf of the CMS Collaboration) Patrizia Barria (University of Virginia, on behalf of the CMS Collaboration)

Presentation materials