Exploration of the potential of the radio-detection technique for the detection of high-energy gamma rays

Richard Dallier; L. Bondonneau; Didier Charrier; A. Coffre; S. Corbel; L. Denis; C. Dumez-Viou; A. Escudie; D. García-Fernández; J Girard; J Grießmeier; L. Koopmans; A. Loh; Lilian Martin; M. Pandey-Pommier; Benoît Revenu; P. Zarka

doi:10.22323/1.358.0655

Conference papers

Exploration of the potential of the radio-detection technique for the detection of high-energy gamma rays

Richard Dallier ^{1, 2, *} L. Bondonneau ³ Didier Charrier ^{1, 2} A. Coffre ² S. Corbel ^{4, 2} L. Denis ² C. Dumez-Viou ² A. Escudie ¹ D. García-Fernández ¹ J Girard ^{4, 5} J Grießmeier ^{3, 2} L. Koopmans ⁶ A. Loh ⁵ Lilian Martin ^{1, 2} M. Pandey-Pommier ² Benoît Revenu ^{1, 2} P. Zarka ^{7, 2}

* Corresponding author

1 SUBATECH - Laboratoire de physique subatomique et des technologies associées

2 USN - Unité Scientifique de la Station de Nançay

3 LPC2E - Laboratoire de Physique et Chimie de l'Environnement et de l'Espace

4 AIM (UMR_7158 / UMR_E_9005 / UM_112) - Astrophysique Interprétation Modélisation

5 LESIA (UMR_8109) - Laboratoire d'études spatiales et d'instrumentation en astrophysique

6 Kapteyn Astronomical Institute [Groningen]

7 LESIA - Laboratoire d'études spatiales et d'instrumentation en astrophysique

Abstract : The radio detection of atmospheric particle showers initiated by ultra-high energy cosmic rays is today a proven technique that allows to reconstruct their properties (direction of arrival, energy, nature). Among the precursors of this method, the CODALEMA experiment installed at the Nançay radio-astronomy Observatory has contributed to several major technological innovations relevant for the radio detection technique (autonomous triggering, hybrid reconstruction, very wide frequency bands) and its high-performance antennas are also used on the NenuFAR radio telescope in Nançay. We propose to exploit the unique environment of the Nançay Observatory through the CODALEMA experiment and the NenuFAR radio-telescope to explore the possibilities of radio-detection of atmospheric showers initiated by very high energy photons. The central idea is to phase a large set of antennas (several tens) in the direction of known sources emitting gamma (catalogs H.E.S.S., MAGIC, VERITAS, Fermi-LAT ...) to significantly increase the sensitivity of detection and to use the triggering capabilities on ultra fast transients controlled within the framework of CODALEMA. This would make it possible to observe the sources with a useful cycle close to 100 %. We present here the intended instrumental scheme as well as the expected signal level and some first results obtained on the observation of cosmic ray air showers with NenuFAR.

Document type :

Conference papers

Domain :

Sciences of the Universe [physics] / Astrophysics [astro-ph] / High Energy Astrophysical Phenomena [astro-ph.HE]

Sciences of the Universe [physics] / Astrophysics [astro-ph] / Instrumentation and Methods for Astrophysic [astro-ph.IM]

Physics [physics] / High Energy Physics - Experiment [hep-ex]

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Submitted on : Tuesday, July 21, 2020 - 9:25:57 AM
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Long-term archiving on: : Tuesday, December 1, 2020 - 2:12:27 AM

Exploration of the potential of the radio-detection technique for the detection of high-energy gamma rays

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Exploration of the potential of the radio-detection technique for the detection of high-energy gamma rays

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