Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 601, Issue 3, Pages 294-316Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2009.01.001
Keywords
Neutrino telescope; Icecube; Signal digitization; AMANDA
Categories
Funding
- US National Science Foundation-Office of Polar Program
- US National Science Foundation-Physics Division
- University of Wisconsin Alumni Research Foundation
- US Department of Energy
- National Energy Research Scientific Computing Center
- Swedish Research Council
- Swedish Polar Research Secretariat
- Knut and Alice Wallenberg Foundation, Sweden
- German Ministry for Education and Research
- Deutsche Forschungsgemeinschaft (DFG), Germany
- Fund for Scientific Research (FNRSFWO)
- Flanders Institute to encourage scientific and technological research in industry (IWT)
- Belgian Federal Science Policy Office (Belspo)
- Netherlands Organisation for Scientific Research (NWO)
- SNF (Switzerland)
- EU Marie Curie OIF Program
- Division Of Physics
- Direct For Mathematical & Physical Scien [0855486] Funding Source: National Science Foundation
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IceCube is a km-scale neutrino observatory under construction at the South Pole with sensors both in the deep ice (InIce) and on the surface (IceTop). The sensors, called Digital Optical Modules (DOMs). detect, digitize and timestamp the signals from optical Cherenkov-radiation photons. The DOM Main Board (MB) data acquisition subsystem is connected to the central DAQ in the IceCube Laboratory (ICL) by a single twisted copper wire-pair and transmits packetized data on demand. Time calibration is maintained throughout the array by regular transmission to the DOMs of precisely timed analog signals, synchronized to a central GPS-disciplined clock. The design goals and consequent features, functional capabilities, and initial performance of the DOM MB, and the operation of a combined array of DOMs as a system, are described here. Experience with the first InIce strings and the IceTop stations indicates that the system design and performance goals have been achieved. (c) 2009 Elsevier B.V. All rights reserved.
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