2-7 May 2010
Oustau Calendal Conference Center
Europe/Paris timezone
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Large area photodetectors for Astroparticle Physics Cherenkov arrays: PMTs vs HPDs

4 May 2010, 10:15
20m
Oustau Calendal Conference Center

Oustau Calendal Conference Center

Cassis, France
Poster Photon detection for Cherenkov counters Poster Session 1 (Summary)

Speaker

Dr Bayarto Lubsandorzhiev (Institute for Nuclear Research of RAS)

Description

We review large sensitive area photodetectors developed for Cherenkov neutrino arrays like neutrino telescopes - classical photomultipliers (PMTs) and hybrid phototubes (HPDs). We present results of studies of recently developed large sensitive area hemispherical PMTs including PMTs with high quantum efficiency photocathodes. We also present results of studies of new very fast scintillators like ZnO:Ga for use in large area HPDs. First pilot samples of HPD with ZnO:Ga scintillator has been recently developed and we present preliminary results of studies of their parameters. It's shown that the pilot samples have <1ns time resolution (fwhm) and a few ns pulse width (fwhm). Large sensitive area hybrid phototubes with such scintillators are very promissing for new giant neutrino projects.
Please indicate "poster" or "plenary" session. Final decision will be made by session coordinators. plenary

Primary author

Dr Bayarto Lubsandorzhiev (Institute for Nuclear Research of RAS)

Co-author

Vladimir Poleshuk (Institute for Nuclear Research of RAS)

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