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http://hdl.handle.net/10773/37551| Title: | The hybrid MPGD-based photon detectors of COMPASS RICH-1 |
| Author: | Agarwala, J. Alexeev, M. Azevedo, C.D.R. Bradamante, F. Bressan, A. Büchele, M. Chatterjee, C. Chiosso, M. Cicuttin, A. Ciliberti, P. Crespo, M.L. Dalla Torre, S. Dasgupta, S. Denisov, O. Finger, M. Finger Jr., M. Fischer, H. Gregori, M. Hamar, G. Herrmann, F. Levorato, S. Martin, A. Menon, G. Panzieri, D. Sbrizzai, G. Schopferer, S. Slunecka, M. Sulc, M. Tessarotto, F. Veloso, J.F.C.A. Zhao, Y. |
| Keywords: | Photon detection Gaseous detectors RICH MPGD THGEM CsI photocathode |
| Issue Date: | 1-Feb-2020 |
| Publisher: | Elsevier |
| Abstract: | Novel gaseous detectors of single photons for RICH applications have been developed and installed on COMPASS RICH-1 in 2016, covering a total area of 1.4 m2. They have a hybrid architecture consisting of two staggered THGEM layers (one equipped with a CsI photoconverting layer) and a bulk Micromegas and operate stably and efficiently, providing a single photon angular resolution of ∼1.8 mrad and about 10 detected photons per ring at saturation. The main aspects of their construction, commissioning, characterization and performance are presented. |
| Peer review: | yes |
| URI: | http://hdl.handle.net/10773/37551 |
| DOI: | 10.1016/j.nima.2019.01.058 |
| ISSN: | 0168-9002 |
| Appears in Collections: | DFis - Artigos I3N-FSCOSD - Artigos |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| The hybrid MPGD-based photon detectors of COMPASS RIC.pdf | 507.21 kB | Adobe PDF | View/Open |
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