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Radio emission of extensive air shower at CODALEMA: Polarization of the radio emission along the v × B vector

Abstract : Cosmic rays extensive air showers (EAS) are associated with transient radio emission, which could provide an efficient new detection method of high energy cosmic rays, combining a calorimetric measurement with a high duty cycle. The CODALEMA experiment, installed at the Radio Observatory in Nanc¸ay, France, is investigating this phenomenon in the 1017 eV region. One challenging point is the understanding of the radio emission mechanism. A first observation indicating a linear relation between the electric field produced and the cross product of the shower axis with the geomagnetic field direction has been presented (B. Revenu, this conference). We will present here other strong evidences for this linear relationship, and some hints on its physical origin.
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http://hal.in2p3.fr/in2p3-00402214
Contributor : Emmanuelle Vernay <>
Submitted on : Tuesday, July 7, 2009 - 8:55:07 AM
Last modification on : Thursday, November 19, 2020 - 12:58:19 PM

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  • HAL Id : in2p3-00402214, version 1
  • ARXIV : 0906.2720

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C. Rivière. Radio emission of extensive air shower at CODALEMA: Polarization of the radio emission along the v × B vector. 31st International Cosmic Ray Conference (ICRC 2009), Jul 2009, Lodz, Poland. pp.icrc1520. ⟨in2p3-00402214⟩

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