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Study of the LOFAR ...
Study of the LOFAR radio self-trigger and single-station acquisition mode
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- Bonardi, A. (författare)
- Radboud University, Netherlands
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- Buitink, S. (författare)
- Vrije Universiteit Brussel, Belgium
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- Corstanje, A. (författare)
- Radboud University, Netherlands
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- Falcke, H. (författare)
- Radboud University, Netherlands;NIKHEF, Netherlands;Netherlands Institute of Radio Astronomy (ASTRON), Netherlands
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- Hare, B. M. (författare)
- University Groningen, Netherlands
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- Hörandel, J. R. (författare)
- Radboud University, Netherlands;NIKHEF, Netherlands
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- Mitra, P. (författare)
- Vrije Universiteit Brussel, Belgium
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- Mulrey, K. (författare)
- Vrije Universiteit Brussel, Belgium
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- Nelles, A. (författare)
- Radboud University, Netherlands;University of California, USA
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- Rachen, J. P. (författare)
- Radboud University, Netherlands
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- Rossetto, L. (författare)
- Radboud University, Netherlands
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- Schellart, P. (författare)
- Radboud University, Netherlands;Princeton University, USA
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- Scholten, O. (författare)
- University Groningen, Netherlands;Vrije Universiteit Brussel, Belgium
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- Ter Veen, S. (författare)
- Radboud University, Netherlands;Netherlands Institute of Radio Astronomy (ASTRON), Netherlands
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- Thoudam, Satyendra (författare)
- Linnéuniversitetet,Institutionen för fysik och elektroteknik (IFE),Radboud University, Netherlands
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- Trinh, T. N. G. (författare)
- University Groningen, Netherlands
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- Winchen, T. (författare)
- Vrije Universiteit Brussel, Belgium
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(creator_code:org_t)
- Sissa Medialab Srl, 2018
- 2018
- Engelska.
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Ingår i: 35th International Cosmic Ray Conference, ICRC 2017, 10-20 July 2017. - : Sissa Medialab Srl.
- Relaterad länk:
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https://pos.sissa.it...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- The LOw Frequency ARay (LOFAR) observatory is a multipurpose radio antenna array aimed to detect radio signals in the frequency range 10-240 MHz. Radio antennas are clustered into over 50 stations, and are spread along Central and Northern Europe. The LOFAR core, where the density of stations is highest, is instrumented with the LOfar Radboud air shower Array (LORA), covering an area of about 300 m diameter centered at the LOFAR core position. Since 2011 the LOFAR core has been used for detecting radio-signals associated to cosmic-ray air showers in the energy range 1016 - 1018 eV. Data acquisition is triggered by the LORA scintillator array, which provides energy, arrival direction, and core position estimates of the detected air shower too. Thus only the core of the LOFAR array is currently used for cosmic-ray detection. In order to extend the energy range of the detected cosmic rays, it is necessary to expand the effective collecting area to the whole LOFAR array. On this purpose, a detailed study about the LOFAR potentialities of working in self-trigger mode, i.e. with the cosmic-ray data acquisition trigger provided by the radio-antenna only, is presented here. A new method based on the intensity and the frequency spectrum for determining the air shower position to be implemented on LOFAR remote stations is presented too. © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives 4.0 International License (CC BY-NC-ND 4.0).
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- Antenna arrays
- Cosmic ray detectors
- Cosmology
- Data acquisition
- Signal detection
- Acquisition modes
- Arrival direction
- Cosmic ray air showers
- Frequency ranges
- Frequency spectra
- Position estimates
- Remote stations
- Scintillator arrays
- Cosmic rays
- Astroparticle Physics
- Astropartikelfysik
Publikations- och innehållstyp
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- Av författaren/redakt...
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Bonardi, A.
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Buitink, S.
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Corstanje, A.
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Falcke, H.
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Hare, B. M.
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Hörandel, J. R.
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Mitra, P.
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Mulrey, K.
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Nelles, A.
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Rachen, J. P.
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Rossetto, L.
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Schellart, P.
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Scholten, O.
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Ter Veen, S.
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Thoudam, Satyend ...
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Trinh, T. N. G.
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Winchen, T.
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