Status of the development of large area photon detectors based on THGEMs and hybrid MPGD architectures for Cherenkov imaging applications

M. Alexeev, R. Birsa, F. Bradamante, A. Bressan, M. Büchele, M. Chiosso, P. Ciliberti, S. Dalla Torre, S. Dasgupta, O. Denisov, V. Duic, M. Finger, M. Finger, H. Fischer, M. Giorgi, B. Gobbo, M. Gregori, F. Herrmann, K. Königsmann, S. LevoratoA. Maggiora, A. Martin, G. Menon, K. Steiger, J. Novy, D. Panzieri, F. A. Pereira, C. A. Santos, G. Sbrizzai, P. Schiavon, S. Schopferer, M. Slunecka, F. Sozzi, L. Steiger, M. Sulc, S. Takekawa, F. Tessarotto, J. F.C.A. Veloso, N. Makke

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

We report about the development status of large area gaseous single photon detectors based on a novel hybrid concept for RICH applications. The hybrid concept combines Thick Gaseous Electron Multipliers (THGEMs) coupled to CsI, working as a photon sensitive pre-amplification stage, and Micromegas, as a multiplication stage. The most recent achievements within the research and development programme consist in the assembly and study of 300×300mm2 hybrid photon detectors, the optimization of front-end electronics, and engineering towards large area detectors. Hybrid detectors with an active area of 300×300mm2 have been successfully operated in laboratory conditions and at a CERN PS T10 test beam, achieving effective gains in the order of 105 and good time resolution ( σ=7ns ); APV25 front-end chips have been coupled to the detector resulting in noise levels lower than 1000 electrons; the production and characterization of 300×600mm2 THGEMs is ongoing. A set of hybrid detectors with 600×600mm2 active area is envisaged to upgrade COMPASS RICH-1 at CERN in 2016.

Lingua originaleInglese
pagine (da-a)139-142
Numero di pagine4
RivistaNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume824
DOI
Stato di pubblicazionePubblicato - 11 lug 2016
Pubblicato esternamente

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