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A new generation photodetector for astroparticle physics: the VSiPMT

  • Barbarino, G.
  • Barbato, F. C. T.
  • Campajola, L.
  • Canfora, F.
  • de Asmundis, R.
  • De Rosa, G.
  • Fiorillo, G.
  • Migliozzi, P.
  • Mollo, C. M.
  • Rossi, B.
  • Vivolo, D.
Publication Date
Jul 17, 2014
Submission Date
Jul 10, 2014
DOI: 10.1016/j.astropartphys.2015.01.003
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The VSiPMT (Vacuum Silicon PhotoMultiplier Tube) is an innovative design we proposed for a revolutionary photon detector. The main idea is to replace the classical dynode chain of a PMT with a SiPM (G-APD), the latter acting as an electron detector and amplifier. The aim is to match the large sensitive area of a photocathode with the performance of the SiPM technology. The VSiPMT has many attractive features. In particular, a low power consumption and an excellent photon counting capability. To prove the feasibility of the idea we first tested the performance of a special non-windowed SiPM by Hamamatsu (MPPC) as electron detector and current amplifier. Thanks to this result Hamamatsu realized two VSiPMT industrial prototypes. In this work, we present the results of a full characterization of the VSiPMT prototype.

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