| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1847226 | Nuclear Physics B - Proceedings Supplements | 2006 | 5 Pages |
Abstract
We present the results of a global irradiation test of full size triple-GEM detectors operated with CF4-based gas mixtures. This study has been performed in the framework of an R&D activity on detectors for the innermost region of the first muon station of the LHCb experiment. The prototypes have been irradiated at the Calliope facility of the ENEA-Casaccia with a high intensity 1.25 MeV γ 60Co source. After the irradiation test the detectors performances have been measured with X-rays and with a 3 GeV pion beam at CERN. A SEM analysis on several samples of the detectors has been performed to complete the understanding of the physical processes occurring in a GEM detector during a strong irradiation.
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