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The timing resolution of photomultiplier tube (PMT) signals is measured with an accuracy of a few nanoseconds and is influenced by factors such as PMT size, dynode configuration, and applied high voltage (HV). In large-scale experiments, precise timing is crucial. However, prepulses and afterpulses can degrade the overall time response and impact the experiment’s trigger conditions. In this study, we investigate the afterpulse rate of PMTs using an LED source.

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Study of the After Pulse of Photomultiplier Tube

  • 会议论文

  • 发表日期：

    2025年

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  • Riya Pramanik,
  • Ravindra R. Shinde,
  • Gobinda Majumder

摘要

The timing resolution of photomultiplier tube (PMT) signals is measured with an accuracy of a few nanoseconds and is influenced by factors such as PMT size, dynode configuration, and applied high voltage (HV). In large-scale experiments, precise timing is crucial. However, prepulses and afterpulses can degrade the overall time response and impact the experiment’s trigger conditions. In this study, we investigate the afterpulse rate of PMTs using an LED source.