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Optimal Radio Window for the Detection of Ultra-High-Energy Cosmic Rays and Neutrinos off the Moon | | O. Scholten
; J. Bacelar
; R. Braun
; A.G. de Bruyn
; H. Falcke
; B. Stappers
; R.G. Strom
; | | Date: |
26 Aug 2005 | | Subject: | astro-ph | | Abstract: | When high-energy cosmic rays impinge on a dense dielectric medium, radio waves are produced through the Askaryan effect. We show that at wavelengths comparable to the length of the shower produced by an Ultra-High Energy cosmic ray or neutrino, radio signals are an extremely efficient way to detect these particles. Through an example it is shown that this new approach offers, for the first time, the realistic possibility to measure UHE neutrino fluxes below the Waxman-Bahcall limit using an existing facility. It is shown that in only one month of observation with the recently-approved LOFAR radio telescope, cosmic-ray events can be measured beyond the GZK-limit, at a flux level of three orders of magnitude below that of the highest-energy events ever measured. | | Source: | arXiv, astro-ph/0508580 | | Other source: | [GID 152489] astro-ph/0609179 | | Services: | Forum | Review | PDF | Favorites | |
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