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Latest results on the analysis of the radio frequency spectrum emitted by high energy air showers with LOFAR
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- Rossetto, Laura (author)
- Radboud Univ Nijmegen, Netherlands
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- Bonardi, Antonio (author)
- Radboud Univ Nijmegen, Netherlands
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- Buitink, Stijn (author)
- Vrije Univ Brussel, Belgium
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- Corstanje, Arthur (author)
- Radboud Univ Nijmegen, Netherlands
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- Falcke, Heino (author)
- Radboud Univ Nijmegen, Netherlands;NIKHEF, Netherlands;Netherlands Inst Radio Astron ASTRON, Netherlands
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- Hare, Brian M. (author)
- Univ Groningen, Netherlands
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- Horandel, Jorg R. (author)
- Radboud Univ Nijmegen, Netherlands;NIKHEF, Netherlands
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- Mitra, Pragati (author)
- Vrije Univ Brussel, Belgium
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- Mulrey, Katie (author)
- Vrije Univ Brussel, Belgium
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- Nelles, Anna (author)
- DESY, Germany;Humboldt Univ, Germany
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- Rachen, Jorg P. (author)
- Radboud Univ Nijmegen, Netherlands
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- Schellart, Pim (author)
- Princeton Univ, USA
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- Scholten, Olaf (author)
- Univ Groningen, Netherlands;Vrije Univ Brussel, Belgium
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- Thoudam, Satyendra (author)
- Linnéuniversitetet,Institutionen för fysik och elektroteknik (IFE)
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- Trinh, Gia T. N. (author)
- Univ Groningen, Netherlands
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- ter Veen, Sander (author)
- Netherlands Inst Radio Astron ASTRON, Netherlands
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- Winchen, Tobias (author)
- Vrije Univ Brussel, Belgium
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(creator_code:org_t)
- 2019-09-24
- 2019
- English.
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In: 8th International Conference on Acoustic and Radio EeV Neutrino Detection Activities (ARENA 2018). - : EDP Sciences. - 9782759890804 ; , s. 1-3
- Related links:
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https://doi.org/10.1...
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https://www.epj-conf...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The LOw Frequency ARay (LOFAR) is a multi-purpose radio antenna array aimed to detect radio signals in the frequency range 10 - 240 MHz, covering a large surface in Northern Europe with a higher density in the Netherlands. Analytical calculations and simulation studies performed in the 2000s indicate a dependence of the radio frequency spectrum on cosmic-ray characteristics. The high number density of radio antennas at the LOFAR core allows to characterise the observed cascade in a detailed way. The radio signal emitted by air showers in the atmosphere has been studied accurately in the 30 - 80 MHz frequency range. The analysis has been conducted on simulated events and on real data detected by LOFAR since 2011. The final aim of this study is to find an independent method to infer information of primary cosmic rays for improving the reconstruction of primary particle parameters. Results show a strong dependence of the frequency spectrum on the distance to the shower axis for both real data and simulations. Furthermore, results show that this method is very sensitive to the precision in reconstructing the position of the shower axis at ground, and to different antenna calibration procedures. A correlation between the frequency spectrum and geometrical distance to the shower maximum development X-max has also been investigated.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- Astroparticle Physics
- Astropartikelfysik
Publication and Content Type
- ref (subject category)
- kon (subject category)
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- By the author/editor
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Rossetto, Laura
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Bonardi, Antonio
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Buitink, Stijn
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Corstanje, Arthu ...
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Falcke, Heino
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Hare, Brian M.
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show more...
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Horandel, Jorg R ...
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Mitra, Pragati
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Mulrey, Katie
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Nelles, Anna
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Rachen, Jorg P.
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Schellart, Pim
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Scholten, Olaf
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Thoudam, Satyend ...
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Trinh, Gia T. N.
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ter Veen, Sander
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Winchen, Tobias
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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8th Internationa ...
- By the university
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Linnaeus University