Fast photon detection for the COMPASS RICH detector

The COMPASS experiment at the SPS accelerator at CERN uses a large scale Ring Imaging CHerenkov detector (RICH) to identify pions, kaons and protons in a wide momentum range. For the data taking in 2006, the COMPASS RICH has been upgraded in the central photon detection area (25% of the surface) wit...

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Detalles Bibliográficos
Autores principales: Abbon, P., Alekseev, M., Angerer, H., Apollonio, M., Birsa, R., Bordalo, P., Bradamante, F., Bressan, A., Busso, L., Chiosso, M., Ciliberti, P., Colantoni, M.L., Costa, S., Dalla Torred, S., Dafni, T., Delagnes, E., Deschamps, H., Diaz, V., Dibiase, N., Duic, V., Eyrich, W., Faso, D., Ferrero, A., Finger, M., Finger, M., Jr., Fischer, H., Gerassimov, S., Giorgi, M., Gobbo, B., Hagemann, R., von Harrach, D., Heinsius, F.H., Joosten, R., Ketzer, B., Konigsmann, Kay, Kolosov, V.N., Konorov, I., Kramer, D., Kunnne, F., Magnon, A., Mann, A., Martin, A., Menon, G., Mutter, A., Nahle, O., Nerling, F., Neyret, D., Pagano, P., Panebianco, S., Panzier, D., Paul, S., Pesaro, G., Polak, J., Rebourgeard, P., Robinet, F., Rocco, E., Schiavon, P., Schill, C., Schroder, W., Silva, L., Slunecka, M., Sozzi, F., Steiger, L., Sulc, M., Svec, M., Tessarotto, F., Teufel, A., Wollny, H.
Lenguaje:eng
Publicado: 2006
Materias:
Other Fields of Physics
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1016/j.nuclphysbps.2007.07.006
http://cds.cern.ch/record/999258
Descripción
Sumario:The COMPASS experiment at the SPS accelerator at CERN uses a large scale Ring Imaging CHerenkov detector (RICH) to identify pions, kaons and protons in a wide momentum range. For the data taking in 2006, the COMPASS RICH has been upgraded in the central photon detection area (25% of the surface) with a new technology to detect Cherenkov photons at very high count rates of several 10^6 per second and channel and a new dead-time free read-out system, which allows trigger rates up to 100 kHz. The Cherenkov photons are detected by an array of 576 visible and ultra-violet sensitive multi-anode photomultipliers with 16 channels each. The upgraded detector showed an excellent performance during the 2006 data taking.

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