CMS iRPC FEB development and validation

CMS muon group

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

In view of the High Luminosity upgrade of the CERN LHC, the forward CMS Muon spectrometer will be extended with two new stations of improved Resistive Plate Chambers (iRPC) covering the pseudorapidity range from 1.8 to 2.4. Compared to the present RPC system, the gap thickness is reduced to lower the avalanche charge, and an innovative 2D strip readout geometry is proposed. These improvements will allow iRPC detector to cope with higher background rates. A new Front-End-Board (FEB) is designed to readout iRPC signals with a threshold as low as 30 fC and an integrated Time Digital Converter with a resolution of 30 ps. In addition, the communication bandwidth is significantly increased by using optical fibers. The history, final design, certification, and calibration of this FEB are presented.

Bibliographical note

Publisher Copyright:
© 2024

Keywords

  • CMS experiment
  • FEB
  • FPGA
  • Gaseous detectors
  • Muon detection
  • Phase 2 upgrade
  • Resistive plate chambers

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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