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[PDF] Top 20 Near-field radio emission induced by extensive air showers

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Near-field radio emission induced by extensive air showers

Near-field radio emission induced by extensive air showers

... electric field created by cosmic-ray induced air showers is nowadays a well-established ...the field has not been thoroughly exploited or understood, even though some experiments ... Voir le document complet

10

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

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

... electric field genera- tion mechanism when air showers develop in the ...electric field generation is the geomagnetic ...different emission mechanisms of the electric field, ... Voir le document complet

29

The CODALEMA/EXTASIS experiment: a multi-scale and multi-wavelength instrument for radio-detection of extensive air-showers

The CODALEMA/EXTASIS experiment: a multi-scale and multi-wavelength instrument for radio-detection of extensive air-showers

... 1. Radio signal and cosmic rays Cosmic rays entering our atmosphere interact with the air molecules and produce atmospheric air ...These showers are constituted by many secondary ... Voir le document complet

8

Radio Morphing - towards a full parametrisation of the radio signal from air showers

Radio Morphing - towards a full parametrisation of the radio signal from air showers

... decades, radio detection of air showers has been established as a detection technique for ultra-high-energy cosmic-rays impinging on the Earth’s atmosphere with energies far beyond LHC ...digital ... Voir le document complet

4

Radio morphing - towards a fast computation of the radio signal from air-showers

Radio morphing - towards a fast computation of the radio signal from air-showers

... expected radio signal from an extensive air-shower can be performed by macro- scopic or a microscopic ...the radio emission mainly by modeling and fitting of the electric ... Voir le document complet

4

Computing the electric field from Extensive Air Showers using a realistic description of the atmosphere

Computing the electric field from Extensive Air Showers using a realistic description of the atmosphere

... the radio technique is of the order of 20 g/cm 2 . The air index value is also driven by the atmospheric model: its density but also the humidity fraction which can have a dominant influence on the ... Voir le document complet

10

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

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

... electric field measured by the antennas strongly depends on the characteristics of the atmosphere in which secondary shower particles evolve: air density, air refractive index at radio ... Voir le document complet

37

Radio-detection of neutrino-induced air showers: the influence of topography

Radio-detection of neutrino-induced air showers: the influence of topography

... the radio emission in the forward direction however implies that the radio signal will likely fly above a detector deployed over a flat site and would therefore not be ...neutrino-induced ... Voir le document complet

30

Radio Morphing: towards a fast computation of the radio signal from air showers

Radio Morphing: towards a fast computation of the radio signal from air showers

... measured radio emission is im- pacted by other external ingredients such as the geo- magnetic angle, and various geometrical distance scales (shower zenith angle and altitude) that can modify the ... Voir le document complet

16

Effect of an external electric field on the coherent terahertz emission from multiple filaments in air

Effect of an external electric field on the coherent terahertz emission from multiple filaments in air

... Next we studied the interference of two synthesized THz fields for different temporal delays with a fixed spatial separation d = 2 mm between two filaments, always in configuration A. The results are presented in Fig. 4. ... Voir le document complet

12

Probing the radio emission from air showers with polarization measurements

Probing the radio emission from air showers with polarization measurements

... ambient air molecules by high-energy photons in the ...the induced electric current as well as the induced charge excess is roughly proportional to the number of particles in the shower and ... Voir le document complet

19

Main features of cosmic ray induced air showers measured by the CODALEMA experiment

Main features of cosmic ray induced air showers measured by the CODALEMA experiment

... the radio signals and from the particle density at ground ...geomagnetic field and the cosmic-ray arrival ...the radio signal induced by EAS have made significant progress and are now ... Voir le document complet

9

Radio emission from the air shower sudden death

Radio emission from the air shower sudden death

... inclined showers, is to use directly the infor- mation provided by the ...electric field at the po- sition A proportional to (n − β)/R i where R i = ||M A|| and n = M A/R i ...detected by the ... Voir le document complet

10

Multi-wavelength observation of cosmic-ray air-showers with CODALEMA/EXTASIS

Multi-wavelength observation of cosmic-ray air-showers with CODALEMA/EXTASIS

... the radio emission of extensive air shower in the range [20-200] ...measured by some pioneer- ing experiments that extensive air shower emit a strong electric field ... Voir le document complet

7

Calculations of low-frequency radio emission by cosmic ray-induced particle showers

Calculations of low-frequency radio emission by cosmic ray-induced particle showers

... particle showers they create when they enter the ...the extensive air shower (EAS) can give us information on the primary cosmic ray, such as its arrival direction, its energy and, more recently, its ... Voir le document complet

21

Radioelectric Field Features of Extensive Air Showers Observed with CODALEMA

Radioelectric Field Features of Extensive Air Showers Observed with CODALEMA

... electric field maximum in both sampling directions can only be obtained for the subset of showers falling inside the area delimited by the four corners of our antenna ...illuminated by the ... Voir le document complet

21

First detection of extensive air showers by the TREND self-triggering radio experiment

First detection of extensive air showers by the TREND self-triggering radio experiment

... Tianshan Radio Experiment for Neutrino Detection (TREND) is a Sino-French collaboration proposing to build a large radio array in order to search for Ultra High Energy (UHE) ...extended air ... Voir le document complet

37

Radio Detection of Cosmic Ray Extensive Air Showers

Radio Detection of Cosmic Ray Extensive Air Showers

... of radio emission by extensive air showers (EAS), various experiments have been led in the 60’s (Linsley 1963, Jelley 1966, Weekes ...anthropic radio emissions, difficulty ... Voir le document complet

5

Features of radio detected Extensive Air Showers with CODALEMA

Features of radio detected Extensive Air Showers with CODALEMA

... the radio detection (Ardouin et al. 2005 a). 2 Characteristics of the radio-EAS events Each CODALEMA antenna allows to associate a measured electric field value to its ...electric field. In ... Voir le document complet

5

Hydrodynamic effects induced by nanosecond sparks in air and air/fuel mixtures

Hydrodynamic effects induced by nanosecond sparks in air and air/fuel mixtures

... in air-containing mixtures mostly due to dissociative quenching reactions between molecular oxygen and electronically excited nitrogen molecules produced by electron impact during the discharge ...pressure ... Voir le document complet

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