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Photo-sensors for a Multi-PMT optical module in KM3NeT

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Title: Photo-sensors for a Multi-PMT optical module in KM3NeT
Authors: Kavatsyuk, O. o.kavatsyuk@rug.nl, Dorosti-Hasankiadeh, Q.1, Löhner, H.1
Source: Nuclear Instruments & Methods in Physics Research Section A. Jan2011 Supplement, Vol. 626-627, pS154-S156. 0p.
Subjects: Optoelectronic devices, Neutrinos, Telescopes, Photomultipliers, Cherenkov radiation, Photoelectrons, Photocathodes, Photoelectric cells
Abstract: Abstract: A deep-sea Neutrino Telescope of at least 1km3 size (KM3NeT) is being designed to search for high-energy (1–1000TeV) neutrinos originating from galactic and extragalactic sources. The detection principle exploits the measurement of Cherenkov light emitted by charged particles resulting from neutrino interactions in the matter surrounding the telescope. An optical module containing an array of 31 3-in. diameter photomultiplier tubes is a promising alternative to an optical module containing one 10-in. diameter phototube. The single photo-electron response of 3-in. diameter phototubes (Photonis XP53B20 and ETEL 9822B) has been investigated. Phototube characteristics such as the collection efficiency, transit-time spread and peak-to-valley ratio were determined at various positions across the photocathode surface in a remote-controlled 2D scanning system. Results of these investigations are reported and the perspectives to employ the investigated phototube types in the Multi-PMT optical module of the future KM3NeT detector are discussed. [ABSTRACT FROM AUTHOR]
Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: Abstract: A deep-sea Neutrino Telescope of at least 1km3 size (KM3NeT) is being designed to search for high-energy (1–1000TeV) neutrinos originating from galactic and extragalactic sources. The detection principle exploits the measurement of Cherenkov light emitted by charged particles resulting from neutrino interactions in the matter surrounding the telescope. An optical module containing an array of 31 3-in. diameter photomultiplier tubes is a promising alternative to an optical module containing one 10-in. diameter phototube. The single photo-electron response of 3-in. diameter phototubes (Photonis XP53B20 and ETEL 9822B) has been investigated. Phototube characteristics such as the collection efficiency, transit-time spread and peak-to-valley ratio were determined at various positions across the photocathode surface in a remote-controlled 2D scanning system. Results of these investigations are reported and the perspectives to employ the investigated phototube types in the Multi-PMT optical module of the future KM3NeT detector are discussed. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.nima.2010.04.127
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      – SubjectFull: Telescopes
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