CERN Accelerating science

Article
Title	THGEM based photon detector for Cherenkov imaging applications
Author(s)	Alexeev, M (INFN, Turin ; Piemonte Orientale U., Alessandria) ; Birsa, R (INFN, Trieste) ; Bradamante, F (INFN, Turin) ; Bressan, A (INFN, Turin) ; Chiosso, M (INFN, Turin ; Turin U.) ; Ciliberti, P (INFN, Trieste ; Trieste U.) ; Croci, G (CERN) ; Colantoni, M L (INFN, Turin) ; Dalla Torre, S (INFN, Trieste) ; Duarte Pinto, S (CERN) ; Denisov, O (INFN, Turin) ; Diaz, V (INFN, Trieste) ; Ferrero, A (INFN, Turin ; Turin U.) ; Finger, M (Charles U.) ; Finger, M Jr (Charles U.) ; Fischer, H (Freiburg U.) ; Giacomini, G (INFN, Trieste ; Bari U.) ; Giorgi, M (INFN, Trieste ; Trieste U.) ; Gobbo, B (INFN, Trieste) ; Heinsius, F H (Freiburg U.) ; Herrmann, F (Freiburg U.) ; Jahodova, V (Liberec Tech. U.) ; Königsmann, K (Freiburg U.) ; Lauser, L (Freiburg U.) ; Levorato, S (INFN, Trieste ; Trieste U.) ; Maggiora, A (INFN, Turin) ; Martin, A (INFN, Trieste ; Trieste U.) ; Menon, G (INFN, Trieste) ; Nerling, F (Freiburg U.) ; Panzieri, D (INFN, Turin ; Piemonte Orientale U., Alessandria) ; Pesaro, G (INFN, Turin) ; Polak, J (Liberec Tech. U. ; INFN, Trieste) ; Rocco, E (INFN, Turin ; Turin U.) ; Ropelewski, L (CERN) ; Sauli, F (TERA, Novara) ; Sbrizzai, G (INFN, Trieste ; Trieste U.) ; Schiavon, P (INFN, Trieste ; Trieste U.) ; Schill, C (Freiburg U.) ; Schopferer, S (Freiburg U.) ; Slunecka, M (Charles U.) ; Sozzi, F (INFN, Trieste ; Trieste U.) ; Steiger, L (Liberec Tech. U.) ; Sulc, M (Liberec Tech. U.) ; Takekawa, S (INFN, Trieste ; Trieste U.) ; Tessarotto, F (INFN, Trieste) ; Wollny, H (Freiburg U.)
Publication	2010
Number of pages	2
In:	Nucl. Instrum. Methods Phys. Res., A 617 (2010) 396-397
In:	11th Pisa Meeting on Advanced Detectors on Frontier Detectors For Frontier Physics, La Biodola, Italy, 24 - 30 May 2009, pp.396-397
DOI	10.1016/j.nima.2009.08.087
Subject category	Detectors and Experimental Techniques
Abstract	We are developing a single photon detector for Cherenkov imaging counters. This detector is based on the use of THGEM electron multipliers in a multilayer design. The major goals of our project are ion feedback suppression down to a few per cent, large gain, fast response, insensitivity to magnetic fields, and a large detector size. We report about the project status and perspectives. In particular, we present a systematic study of the THGEM response as a function of geometrical parameters, production techniques and the gas mixture composition. The first figures obtained from measuring the response of a CsI coated THGEM to single photons are presented.

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