Upgrade of the Time of Flight (TOF) system of the CMD-3 detector is described. The TOF is located inside the narrow gap between two layers of the cylindrical calorimeter based on the liquid Xe and CsI crystals. The TOF system is made from thin plates of plastic scintillator and is intended for measuring the time of flight of particles through the detector, in particular to detect products of antineutron annihilations in the calorimeters. Due to low velocities of antineutrons, the average times of annihilation in the calorimeters have a typical delay time about 4–10 ns with respect to the beam collision.

Original languageEnglish
Pages (from-to)598-600
Number of pages3
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Publication statusPublished - 21 Aug 2019


  • Scintillators
  • SiPM
  • Time of flight system
  • Timing detectors


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