R&D studies of a RICH detector using pressurized C4F 8O radiator gas and a CsI-based gaseous photon detector

A. G. Agócs, F. Barile, G. G. Barnaföldi, R. Bellwied, G. Bencédi, G. Bencze, D. Berényi, L. Boldizsár, S. Chattopadhyay, D. D. Chinellato, F. Cindolo, D. Das, K. Das, L. Das-Bose, G. De Cataldo, D. Di Bari, A. Di Mauro, E. Futó, E. Garcia, G. HamarA. Harton, R. T. Jimenez, D. W. Kim, J. S. Kim, A. Knospe, L. Kovacs, P. Lévai, C. Markert, P. Martinengo, L. Molnar, E. Nappi, L. Olah, G. Paić, C. Pastore, M. E. Patino, V. Peskov, L. Pinsky, F. Piuz, S. Pochybová, I. Sgura, T. Sinha, J. Song, A. Timmins, J. B. Van Beelen, D. Varga, G. Volpe, M. Weber, L. Xaplanteris, J. Yi, I. K. Yoo

Research output: Contribution to journalArticle

2 Citations (Scopus)


We report on studies of layout and performance of a new Ring Imaging Cherenkov detector using for the first time pressurized C4F 8O radiator gas and a photon detector consisting of a MWPC equipped with a CsI photocathode. In particular, we present here the results of beam tests of a MWPC having an adjustable anode-cathode gap, aiming at the optimization of single photoelectron detection and Cherenkov angle resolution. This system was proposed as a Very High Momentum Particle Identification (VHMPID) upgrade for the ALICE experiment at LHC to provide charged hadron track-by-track identification in the momentum range 5-25 GeV/c.

Original languageEnglish
Pages (from-to)361-365
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Publication statusPublished - 2013


  • Cherenkov radiator
  • CsI photoconverter
  • Gaseous photodetector
  • Pressurized radiator gas
  • RICH

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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