The multi-PMT optical module for KM3NeT

H. Löhner, Q. Dorosti-Hasankiadeh, E. Heine, D. Gajanana, O. Kavatsyuk, P. Kooijman, C. Kopper, H. Peek, J. Steijger, P. Timmer, E. de Wolf

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Abstract

In the future neutrino telescope KM3NeT a novel type of optical module (OM) will be employed to optimize the sensitivity to Cherenkov photons and maximize the environmental background suppression. The multiPMT OM, a pressure-resistant glass sphere containing 31 photomultiplier tubes (PMTs) of 3-in. diameter, has been developed and prototyped including electronics for high-voltage generation, signal digitization and optical signal transmission. Monte-Carlo simulations show that a multi-PMT OM configuration requires three times less OMs to achieve the same performance as conventional OMs hosting 10-in. PMTs. (C) 2012 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)513-515
Number of pages3
JournalNuclear instruments & methods in physics research section a-Accelerators spectrometers detectors and associated equipment
Volume718
DOIs
Publication statusPublished - 1-Aug-2013
Event12th Pisa Meeting on Advanced Detectors - , Italy
Duration: 20-May-201226-May-2012

Keywords

  • KM3NeT
  • Neutrino telescope
  • Optical module
  • Expansion cone
  • Collection efficiency
  • Optical readout

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