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The MPGD-Based Photon Detectors for the upgrade of COMPASS RICH-1 and beyond

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arxiv 1807.00816 v1 pith:VIJHJXDP submitted 2018-07-02 physics.ins-det hep-exnucl-ex

J. Agarwala , M. Alexeev , C.D.R. Azevedo , F. Bradamante , A. Bressan , M. Buchele , M. Chiosso , C. Chatterjee
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P. Ciliberti S. Dalla Torre S. Dasgupta O. Denisov M. Finger M. Finger Jr H. Fischer M. Gregori G. Hamar F. Herrmann S. Levorato A. Martin G. Menon D. Panzieri G. Sbrizzai S. Schopferer M. Slunecka M. Sulc F. Tessarotto J.F.C.A. Veloso Y. Zhao
This is my paper · ORCID
classification physics.ins-dethep-exnucl-ex
keywords detectorsphotoncompassgaseousrichsingleexperimentmpgd-based
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

After pioneering gaseous detectors of single photon for RICH applications using CsI solid state photocathodes in MWPCs within the RD26 collaboration and by the constructions for the RICH detector of the COMPASS experiment at CERN SPS, in 2016 we have upgraded COMPASS RICH by novel gaseous photon detectors based on MPGD technology. Four novel photon detectors, covering a total active area of 1.5~m$^2$, have been installed in order to cope with the challenging efficiency and stability requirements of the COMPASS physics programme. These detectors are the first application in an experiment of MPGD-based single photon detectors. All aspects of the upgrade are presented, including engineering, mass production, quality assessment and performance. Perspectives for further developments in the field of gaseous single photon detectors are also presented.

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