Optical properties studies of glass samples for prototyping a TORCH detector module

Author(s): Castillo García, L (CERN and EPFL)
TORCH (Time Of internally Reflected CHerenkov light) ) is a proposed particle identification system to achieve positive π/K/p separation at a ≥3σ level in the momentum range below 10 GeV/c. Cherenkov photons are generated from charged particle tracks crossing a 1cm-thick quartz plate. They propagate by total internal reflection to the edge and are focused onto an array of micro-channel plate photon detectors. Their position and arrival time are recorded. This allows the reconstruction of the photon trajectory and the particle crossing time. Results on optical tests are presented.
Year: 2014
 Record created 2015-02-16, last modified 2015-02-16

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