Molecular bremsstrahlung radiation at GHz frequencies in air

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F16%3A00548056" target="_blank" >RIV/68378271:_____/16:00548056 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1103/PhysRevD.93.052004" target="_blank" >https://doi.org/10.1103/PhysRevD.93.052004</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevD.93.052004" target="_blank" >10.1103/PhysRevD.93.052004</a>

Result language
angličtina
Original language name
Molecular bremsstrahlung radiation at GHz frequencies in air
Original language description
A detection technique for ultra-high-energy cosmic rays, complementary to the fluorescence technique, would be the use of the molecular bremsstrahlung radiation emitted by low-energy ionization electrons left after the passage of the showers in the atmosphere. In this article, a detailed estimate of the spectral intensity of photons at ground level originating from this radiation is presented. The spectral intensity expected from the passage of the high-energy electrons of the cascade is also estimated. The absorption of the photons in the plasma of electrons and neutral molecules is shown to be negligible. The obtained spectral intensity is shown to be 2 x 10(-21) W cm(-2) GHz(-1) at 10 km from the shower core for a vertical shower induced by a proton of 10(17.5) eV. In addition, a recent measurement of bremsstrahlung radiation in air at gigahertz frequencies from a beam of electrons produced at 95 keV by an electron gun is also discussed and reasonably reproduced by the model.n
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10303 - Particles and field physics

Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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