Influence of the vacuum-lunar regolith interface on the generation of radio emission by a cascade shower from an ultrahigh-energy particle |
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Authors: | A D Filonenko |
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Institution: | 1.Dal’ Eastern Ukrainian University,Lugansk,Ukraine |
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Abstract: | We present the results of our calculation of the radio emission field produced by an electron-photon shower from an ultrahigh-energy
particle under the surface of the Moon. We consider two cases of cascade propagation: the first in the lunar regolith-vacuum
direction at small angles to the interface; and the second in the opposite direction when the particle generates a cascade
almost immediately after it has crossed the vacuum-regolith interface. To calculate the relative energy density of the emission
emerged at the surface, we have used the method of decomposing spherical waves into plane ones. The intensity of the refracted
waves for high frequencies has been found to depend strongly on the shower inclination angle. |
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