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The CMS muon system has been upgraded with the GE1/1 station of Gas Electron Multiplier (GEM) detectors to handle the increased muon flux in the very forward eta region. This work analyzes muon detection efficiency with the GE1/1 station using 2023 proton-proton (pp) collision data at a center of mass energy of 13.6 TeV. A dataset enriched with muons from Z-decay, with a total integrated luminosity of \(\sim \) 17.8 fb \(^{-1}\) , has been utilized. The detector modules are operated between 680–690 \(\upmu \) A of equivalent divider current, slightly below the current of \(\sim \) 700 \(\upmu \) A expected for the bias voltage working point.

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Detection Efficiency of Triple-GEM Detectors in PP Collision at CMS with 2023 Data

  • 会议论文

  • 发表日期：

    2025年

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  • Shalini Thakur

摘要

The CMS muon system has been upgraded with the GE1/1 station of Gas Electron Multiplier (GEM) detectors to handle the increased muon flux in the very forward eta region. This work analyzes muon detection efficiency with the GE1/1 station using 2023 proton-proton (pp) collision data at a center of mass energy of 13.6 TeV. A dataset enriched with muons from Z-decay, with a total integrated luminosity of \(\sim \) 17.8 fb \(^{-1}\) , has been utilized. The detector modules are operated between 680–690 \(\upmu \) A of equivalent divider current, slightly below the current of \(\sim \) 700 \(\upmu \) A expected for the bias voltage working point.