Abstract

The luminosity, latency, and trigger rate foreseen at the High Luminosity LHC (HL-LHC) present challenges to efficient readout of the Cathode Strip Chambers (CSCs, [1]) of the CMS end cap muon detector. Upgrades to the electronics are targeted for the inner rings of CSCs in each station, which have the highest flux of particles. The upgrades comprise digital cathode front end boards for nearly deadtimeless and long trigger latency operating capability, new DAQ boards that transmit data from the detectors with higher-bandwidth links, and a new data concentrator/interface to the central DAQ system that can receive the higher input rates.

Highlights

  • The luminosity, latency, and trigger rate foreseen at the High Luminosity LHC (HL-LHC) present challenges to efficient readout of the Cathode Strip Chambers (CSCs) of the CMS end cap muon detector

  • Upgrades to the electronics are targeted for the inner rings of CSCs in each station, which have the highest ux of particles

  • The HL-LHC will require this same upgrade in the other inner ring CSC stations, ME2/1, ME3/1, and ME4/1

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Summary

Introduction

The luminosity, latency, and trigger rate foreseen at the High Luminosity LHC (HL-LHC) present challenges to efficient readout of the Cathode Strip Chambers (CSCs) of the CMS end cap muon detector. (HL-LHC) present challenges to ecient readout of the Cathode Strip Chambers Upgrades to the electronics are targeted for the inner rings of CSCs in each station, which have the highest ux of particles. Selected electronics of the innermost ring of CSC station 1 (ME1/1) were upgraded during LHC

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