June 27, 2021 to July 1, 2021
Europe/Brussels timezone

High-rate readout with precise time resolution of a high-granularity calorimeter: the case of the CMS Electromagnetic calorimeter upgrade

Not scheduled
Gather.town (Online)



Poster presentation only Front end electronics and readout Poster session 2


Jelena Mijuskovic (University of Montenegro (ME))


The Electromagnetic Calorimeter (ECAL) of the CMS detector has played an important role in the physics program of the experiment, delivering outstanding performance throughout data taking. The High-Luminosity LHC will pose new challenges. The four to five-fold increase of the number of interactions per bunch crossing will require superior time resolution and noise rejection capabilities. For these reasons the electronics readout has been completely redesigned. A dual gain trans-impedance amplifier and an ASIC providing two 160 MHz ADC channels, gain selection, and data compression will be used in the new readout electronics. The trigger decision will be moved off-detector and will be performed by powerful and flexible FPGA processors, allowing for more sophisticated trigger algorithms to be applied. The upgraded ECAL will be capable of high-precision energy measurements throughout HL-LHC and will greatly improve the time resolution for photons and electrons above 10 GeV.

Primary author

Jelena Mijuskovic (University of Montenegro (ME))

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