Abstract
For the electron arm tracking system in the KAOS spectrometer at the Mainz Microtron MAMI a detector based on 2 m long scintillating fibres read out by silicon photomultipliers (SiPM) is planned. Because of the detector's close proximity to the intense electron beam a study of noise and radiation damage in SiPM has been performed. A sample of devices was exposed directly to a 14 MeV electron beam and to a mixed radiation field in the experimental area. First noticeable effects are a large increase in the dark count rate and a severe loss of the gain uniformity.
| Original language | English |
|---|---|
| Pages (from-to) | 506-510 |
| Number of pages | 5 |
| Journal | Nuclear Inst. and Methods in Physics Research, A |
| Volume | 602 |
| Issue number | 2 |
| DOIs | |
| State | Published - Apr 21 2009 |
Keywords
- Particle detector design
- Radiation damage
- Silicon photomultiplier
- Tracking and position-sensitive detectors
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