Geomagnetic origin of the radio emission from cosmic ray induced air showers observed by CODALEMA

Ardouin, D.; Belĺetoile, A.; Bérat, C.; Bretón, D.; Charrier, Didier; Chauvin, J.; Chendeb, Marwa; Cordier, A.; Dagoret, S.; Dallier, R.; Denis, Loïc; Dumez-Viou, Cedric; Fabrice, C.; Garçon, T.; Garrido, X.; Gautherot, N.; Gousset, Thierry; Haddad, Férid; Koang, D. H.; Lamblin, J.; Lautridou, P.; Lebrun, D.; Lecacheux, A.; Lefeuvre, F.; Martin, L.; Meyer, Eileen T.; Meyer, F.; Meyer‐Vernet, N.; Monnier-Ragaigne, D.; Montanet, F.; Payet, K.; Plantier, Guy; Ravel, O.; Revenu, B.; Rivière, C.; Saugrin, T.; Sourice, Anthony; Stassi, P.; Stutz, A.; Valcares, S.

doi:10.1016/j.astropartphys.2009.01.001

Cited by 133 publications

(99 citation statements)

References 16 publications

(26 reference statements)

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“…The geomagnetic contribution to the total electric field is dominant, as stated in the 1960s and confirmed with much more statistics and better data some years ago by CODALEMA [20], [21] and LOPES [15]. In the southern hemisphere, the RAuger prototype reported that the arrival directions of the detected air showers were in good agreement with a v × B effect.…”

Section: Emission Mechanisms and Polarizationsupporting

confidence: 62%

Overview of MHz air shower radio experiments and results

Revenu¹

2013

AIP Conference Proceedings

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Abstract. In this paper, I present a review of the main results obtained in the last 10 years in the field of radio-detection of cosmic-ray air showers in the MHz range. All results from all experiments cannot be reported here so that I will focus on the results more than on the experiments themselves. Modern experiments started in 2003 with CODALEMA and LOPES. In 2006, small-size autonomous prototypes setup were installed at the Pierre Auger Observatory site, to help the design of the Auger Engineering Radio Array (AERA). We will discuss the principal aspects of the radio data analysis and the determination of the primary cosmic ray characteristics: the arrival direction, the lateral distribution of the electric field, the correlation with the primary energy, the emission mechanisms and the sensitivity to the composition of the cosmic rays.

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Section: Emission Mechanisms and Polarizationsupporting

confidence: 62%

Overview of MHz air shower radio experiments and results

Revenu¹

2013

AIP Conference Proceedings

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“…LOPES features a precise time [11] and absolute amplitude calibration [12], and measures the radio signal between 40 and 80 MHz. Since the radio emission is mainly of geomagnetic origin [7,13,14], the radio signal is predominately east-west polarized. Thus, we restrict this analysis to east-west aligned LOPES antennas, which for most events have a higher measurement quality than north-south aligned antennas.…”

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confidence: 99%

Experimental evidence for the sensitivity of the air-shower radio signal to the longitudinal shower development

Apel¹,

Arteaga²,

Bähren³

et al. 2012

Phys. Rev. D

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We observe a correlation between the slope of radio lateral distributions, and the mean muon pseudorapidity of 59 individual cosmic-ray-air-shower events. The radio lateral distributions are measured with LOPES, a digital radio interferometer co-located with the multi-detector-air-shower array KASCADE-Grande, which includes a muon-tracking detector. The result proves experimentally that radio measurements are sensitive to the longitudinal development of cosmic-ray air-showers. This is one of the main prerequisites for using radio arrays for ultra-high-energy particle physics and astrophysics.The investigation of ultra-high-energy cosmic rays works at the frontiers of particle physics as well as astrophysics. Only cosmic rays allow probing particle physics beyond the energy range of man-made accelerators. And only high statistics and accurate measurements of energy, direction and mass of cosmic rays will solve the mystery of their origin, i.e. how natural accelerators achieve energies beyond 10 20 eV (see references [1, 2] for reviews). Since ultra-high-energy cosmic rays are too rare to be measured directly, they can only be measured indirectly by observing extensive air-showers of secondary particles. In particular, the longitudinal development of the airshowers is of interest for the two main physics goals: for particle physics, since the shower development depends on the interactions at ultra-high energies, and for astro- *

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“…In figure 5 a comparison of LOPES data with the v × B-model is shown. The v × B-model is a model that was able to describe the radio data well and was confirmed by several other radio experiments such as CODALEMA [10] and the Auger Engineering Radio Array AERA [11]. Therefore most of the events measured with LOPES-3D should be well described by this model.…”

Section: Performancementioning

confidence: 78%

LOPES-3D - vectorial measurements of radio emission from cosmic ray induced air showers

Huber¹,

Apel²,

Arteaga‐Velázquez³

et al. 2013

AIP Conference Proceedings

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LOPES-3D is able to measure all three components of the electric field vector of the radio emission from air showers. This allows a better comparison with emission models. The measurement of the vertical component increases the sensitivity to inclined showers. By measuring all three components of the electric field vector LOPES-3D demonstrates by how much the reconstruction accuracy of primary cosmic ray parameters increases. Thus LOPES-3D evaluates the usefulness of vectorial measurements for large scale applications.

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Geomagnetic origin of the radio emission from cosmic ray induced air showers observed by CODALEMA

Cited by 133 publications

References 16 publications

Overview of MHz air shower radio experiments and results

Overview of MHz air shower radio experiments and results

Experimental evidence for the sensitivity of the air-shower radio signal to the longitudinal shower development

LOPES-3D - vectorial measurements of radio emission from cosmic ray induced air showers

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