Studies of silicon photodetectors for scintillator-based Hadron Calorimetry at the International Linear Collider

D. Beznosko, G. Blazey, D. Chakraborty, A. Dyshkant, K. Francis, D. Kubik, J. G. Lima, V. Rykalin, V. Zutshi

Research output: Contribution to journalArticlepeer-review

Abstract

We present results on the operation and performance characteristics of the Metal/Resistor/Semiconductor (MRS) photodiode. These include measurements of threshold characteristics, noise frequency, dependence of signal amplitude on the applied voltage and temperature, and stability as a function of time and radiation dose. The single photoelectron separation for this photosensor is demonstrated with a light-emitting diode. The response of the photodetector to light produced in scintillator is studied with cosmic ray muons and a 106Ru source. In addition, fiber-sensor alignment issues were evaluated. The results are promising and illustrate the potential use of MRS as photosensors in high energy physics detectors.

Original languageEnglish
Pages (from-to)62-69
Number of pages8
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume567
Issue number1 SPEC. ISS.
DOIs
Publication statusPublished - Nov 1 2006
Externally publishedYes

Keywords

  • Characteristics
  • Geiger mode
  • Irradiation
  • Miniaturized photodetector
  • Multipixel
  • Solid-state photosensor

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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