Sensitivity of a multi-photomultiplier optical module for KM3NeT

被引：5

作者：

Lohner, H. ^{[1
]}

Mjos, A. ^{[1
]}

机构：

[1] Univ Groningen, Kernfys Versneller Inst, NL-9700 AB Groningen, Netherlands

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2009年 / 602卷 / 01期

关键词：

Elementary particle processes; Neutrino detectors; Cosmic rays; Particle tracking;

D O I：

10.1016/j.nima.2008.12.037

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

For the KM3NeT neutrino telescope an optical module with a number of small photomultiplier tubes (multi-PMT optical module) will be advantageous for various reasons, e.g. reduced background rate, a larger number of coincidence hits, and sensitivity to ultra-high energy neutrinos. The properties of such a design have been investigated by measurements and simulations. Several types of 3 in. PMT were exposed to LED light pulses with intensities down to the single-photon level. The simulation tool Sirene for a photo-sensor based neutrino telescope has been applied to allow a comparison with the ANTARES detector. All muon directions can be observed with an improved identification and rejection of atmospheric muons. For up-going neutrinos and down-going muons the multi-PMT arrangement shows a better performance in both the photo-electron response and in the number-of-hits response as compared to the present ANTARES design. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：209 / 212

页数：4

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