Development of a scintillating-fiber beam detector for the MUSE experiment

Erez O. Cohen, Eli Piasetzky, Yair Shamai, Nikolay Pilip

Research output: Contribution to journalArticlepeer-review


This paper describes the design, simulation, and prototyping of a scintillating-fiber (SciFi) beam hodoscope that enables real-time particle identification, momentum and position determination, and flux counting in a low-momentum mixed beam of pions, electrons and muons for the MUon-proton Scattering Experiment (MUSE) at the Paul Scherrer Institute (PSI), Switzerland. The experimental demands and conceptual design are discussed, including the mixing scheme used to suppress cross-talk between adjacent fibers. A comparison between different types of fibers is given. The timing resolution for 1 plane of SciFis is 0.40±0.05ns, and for 2 fiber planes in coincidence, it is 0.27±0.03ns. The detection efficiency when at least two planes are required to fire is 98%.


  • Beam hodoscope
  • MUSE
  • Scintillating-fiber detector


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