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Title: The trigger and data acquisition for the NEMO-Phase 2 tower

In the framework of the Phase 2 of the NEMO neutrino telescope project, a tower with 32 optical modules is being operated since march 2013. A new scalable Trigger and Data Acquisition System (TriDAS) has been developed and extensively tested with the data from this tower. Adopting the all-data-to-shore concept, the NEMO TriDAS is optimized to deal with a continuous data-stream from off-shore to on-shore with a large bandwidth. The TriDAS consists of four computing layers: (i) data aggregation of isochronal hits from all optical modules; (ii) data filtering by means of concurrent trigger algorithms; (iii) composition of the filtered events into post-trigger files; (iv) persistent data storage. The TriDAS implementation is reported together with a review of dedicated on-line monitoring tools.
Authors:
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  1. INFN Sezione di Bologna,V.le Berti Pichat 6/2, 40127 Bologna, Italy and Dipartimento di Fisica e Astronomia Università di Bologna, V.le Berti Pichat 6/2, 40127 Bologna (Italy)
  2. INFN Sezione di Roma1, P.le A.Moro 2, 00185 Roma (Italy)
  3. INFN Sezione di Bologna,V.le Berti Pichat 6/2, 40127 Bologna (Italy)
  4. INFN Sezione di Catania,Via S.Sofia 64, 95123 Catania (Italy)
Publication Date:
OSTI Identifier:
22390624
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; ALGORITHMS; CHERENKOV COUNTERS; DATA ACQUISITION; DATA ACQUISITION SYSTEMS; IMPLEMENTATION; LAYERS; MULTIPARTICLE SPECTROMETERS; NEUTRINO DETECTION; NEUTRINOS; PARTICLE IDENTIFICATION; PERFORMANCE TESTING; SCINTILLATION COUNTERS; TELESCOPE COUNTERS