Characterization of the 80-mm diameter Hamamatsu PMTs for the KM3NeT project

Journal Article · Tue Nov 18 00:00:00 EST 2014 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.4902786· OSTI ID:22390613

Aiello, S.; Giordano, V.; Classen, L.; Reubelt, J. ^[1]; Peek, H.; Visser, E. ^[2]; Samtleben, D. ^[3]; Kalekin, Oleg

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1. ECAP, Erwin-Rommel-Str. 1, 91052, Erlangen (Germany)
2. NIKHEF, Science Park, Amsterdam (Netherlands)
3. NIKHEF, Science Park, Amsterdam, The Netherlands and Leiden University, Leiden Institute of Physics, PO Box 9504, Leiden, 2300 RA (Netherlands)

The optical module designed for the KM3NeT project consists of 31 photomultipliers of 3-inch diameter housed into a 17-inch diameter glass sphere. A proposed photomultiplier was the R12199-02 Hamamatsu 80-mm diameter. 203 of such PMTs have been delivered from Hamamatsu and tested by the KM3NeT groups of NIKHEF-Amsterdam, ECAP-Erlangen and INFN-Catania. Tests have been performed to measure the main parameters, such as gain, transit time spread, dark pulses rate, fraction of spurious pulses, quantum efficiency and effective photocathode size. The main results matched with the requirements of the project. Methods and results are presented in this report.

• OSTI ID: 22390613
• Journal Information: AIP Conference Proceedings, Vol. 1630, Issue 1; Conference: VLVvT 13: 6. International Workshop on Very Large Volumte Neutrino Telescopes, Stockholm (Sweden), 5-7 Aug 2013; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
DESIGN
GAIN
GLASS
MULTIPARTICLE SPECTROMETERS
NEUTRINO DETECTION
NIKHEF
PARTICLE IDENTIFICATION
PHOTOCATHODES
PHOTOMULTIPLIERS
QUANTUM EFFICIENCY
SCINTILLATION COUNTERS
SPHERES