NDLI: Data acquisition architecture studies for the KM3NeT deep sea neutrino telescope

Content Provider	IEEE Xplore Digital Library
Author	Anvar, S.
Copyright Year	2008
Description	Author affiliation: CEA Irfu, Saclay, Gif-sur-Yvette, 91191 France (Anvar, S.)
Abstract	KM3NeT is a European consortium whose goal is a future underwater neutrino telescope of cubic kilometer size in the Mediterranean Sea. The science case includes the study of high energy phenomena in the Universe involving the emission of neutrinos. The detection principle is based on an extended array of photomultipliers detecting single Cherenkov photons emitted by the charged products of neutrino interactions. This paper describes the conceptual design of a data acquisition and trigger architecture for the KM3NeT telescope. Its main features are based on the experience of the NEMO, NESTOR and ANTARES neutrino telescope pilot projects. The main issues addressed by this design include the integration of hundreds of acquisition nodes interconnected through a high bandwidth network and the seamless management of high rate data flows resulting from challenging levels of background noise. The networking technologies used -e.g. dense or coarse wavelength division multiplexing- address optimization issues such as minimizing the number of deep-sea fiber connections. The network topology is optimized for “all data to shore” transmission in which a real-time distributed data acquisition application manages a fluctuating data flow. The data are organized as time-slices and routed accordingly to a workstation farm running trigger algorithms which are expected to reduce the data flow by a factor of $10^{4}.$ The control and configuration schemes that allow the proper operation of the neutrino telescope are specified together with their associated database organization principle. These principles address the issues of hardware description management, configurations and run conditions and their association with the acquired data. We will illustrate how the KM3NeT data acquisition system is intended to make the most of the available and affordable software and hardware technologies in a challenging data flow context involving embedded, real-time processing.
Starting Page	3558
Ending Page	3561
File Size	1780925
Page Count	4
File Format	PDF
ISBN	9781424427147
ISSN	10957863
DOI	10.1109/NSSMIC.2008.4775103
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-19
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data acquisition Neutrino sources Telescopes Hardware Photomultipliers Optical design Bandwidth Background noise Space technology Wavelength division multiplexing
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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