Status and progress of novel photon detectors based on THGEM and hybrid MPGD architectures

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. Novakova, 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

Research output: Contribution to journalArticlepeer-review

Abstract

Recent progress in the development of THGEM-based photon detectors confirm the validity of this novel technology. Detectors made of THGEMs, arranged in a three layer architecture, with a CsI coating on the first layer (acting as a reflective photocathode), have been produced and operated in laboratory and during test beam runs: they provide a gain of 105 and a time resolution better than 10 ns. Improvements in the production of THGEMs with 300 × 300 mm2 active area have recently been introduced leading to a uniform gain response and performance similar to that provided by the small area THGEMs. Promising results have been obtained by combining THGEM and Micromegas technologies to form a hybrid MPGD-based photon detector: the first prototype has proved to stably operate at large gain in a variety of gas mixtures, including pure CH4 and to provide a low ion backflow rate. The RICH-1 detector of the COMPASS Experiment at CERN SPS will be equipped with a set of MPGD-based photon detectors replacing MWPC-based ones.

Original languageEnglish
Article numberC12005
JournalJournal of Instrumentation
Volume8
Issue number12
DOIs
Publication statusPublished - Dec 2013
Externally publishedYes

Keywords

  • Micropattern gaseous detectors (MSGC, GEM, THGEM, RETHGEM, MHSP, MICROPIC, MICROMEGAS, InGrid, etc)
  • Photon detectors for UV, visible and IR photons (gas) (gas-photocathodes, solid-photocathodes)

Fingerprint

Dive into the research topics of 'Status and progress of novel photon detectors based on THGEM and hybrid MPGD architectures'. Together they form a unique fingerprint.

Cite this