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Title: Nanobeacon: A low cost time calibration instrument for the KM3NeT neutrino telescope

The KM3NeT collaboration aims at the construction of a multi-km3 high-energy neutrino telescope in the Mediterranean Sea consisting of a matrix of pressure resistant glass spheres holding each one a set (31) of small area photomultipliers. The main goal of the telescope is to observe cosmic neutrinos through the Cherenkov light induced in sea water by charged particles produced in neutrino interactions with the surrounding medium. A relative time calibration between photomultipliers of the order of 1 ns is required to achieve an optimal performance. Due to the high volume to be covered by KM3NeT, a cost reduction of the different systems is a priority. To this end a very low price calibration device, the so called Nanobeacon, has been designed and developed. At present one of such devices has already been integrated successfully at the KM3NeT telescope and eight of them in the Nemo Tower Phase II. In this article the main properties and operation of this device are described.
Authors:
 [1] ;
  1. IFIC. Instituto de Física Corpuscular, CSIC-Universidad de Valencia, C/Catedrático José Beltrán, 2. 46980 Paterna (Spain)
Publication Date:
OSTI Identifier:
22390618
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1630; Journal 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)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; CALIBRATION; CHARGED PARTICLES; CHERENKOV COUNTERS; COOLING TOWERS; COSMIC NEUTRINOS; DESIGN; GLASS; MEDITERRANEAN SEA; NEUTRINO DETECTION; PERFORMANCE; PHOTOMULTIPLIERS; SCINTILLATION COUNTERS; SPHERES; TELESCOPE COUNTERS; VISIBLE RADIATION