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Article Dans Une Revue Astropart.Phys. Année : 2018

Computing the electric field from extensive air showers using a realistic description of the atmosphere

Résumé

The composition of ultra-high energy cosmic rays is still poorly known and constitutes a very important topic in the field of high-energy astrophysics. Detection of ultra-high energy cosmic rays is carried out via the extensive air showers they create after interacting with the atmosphere constituents. The secondary electrons and positrons within the showers emit a detectable electric field in the kHz-GHz range. It is possible to use this radio signal for the estimation of the atmospheric depth of maximal development of the showers Xmax, with a good accuracy and a duty cycle close to 100%. This value of Xmax is strongly correlated to the nature of the primary cosmic ray that initiated the shower. We show in this paper the importance of using a realistic atmospheric model in order to correct for systematic errors that can prevent a correct and unbiased estimation of  Xmax .
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Dates et versions

hal-01714242 , version 1 (15-06-2020)

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F. Gaté, Benoît Revenu, D. García-Fernández, V. Marin, Richard Dallier, et al.. Computing the electric field from extensive air showers using a realistic description of the atmosphere. Astropart.Phys., 2018, 98, pp.38-51. ⟨10.1016/j.astropartphys.2018.01.007⟩. ⟨hal-01714242⟩
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