Other
Scientific paper
Sep 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aph....32..100a&link_type=abstract
Astroparticle Physics, Volume 32, Issue 2, p. 100-111.
Other
9
Radio, Microwave, Neutrino, Muon, Pion, And Other Elementary Particles, Cosmic Rays, Radiation Detectors
Scientific paper
This paper presents our results for full 3-D simulations of very-high to ultra-high energy electromagnetic cascades - and the associated coherent Cherenkov radiation - as might be produced by high-energy neutrino interactions in dense media. Using “thinning” techniques, we develop an algorithm based on the existing “ZHS” code, and demonstrate that the new “ZHS-thinned” code can produce fast and accurate results for showers up to 1020eV. Using ZHS-thinned, we develop new parameterisations for the radiation from showers in ice, salt, and the lunar regolith, with a separate treatment of the megaregolith (deep regolith). Our parameterisations include for the first time a method to simulate fluctuations in shower length induced by the LPM effect. Our results, which avoid the pit-falls of scaling simulations from lower energies, allow improved calculations of the detection probability for experiments searching for high-energy neutrinos using the radio technique.
Alvarez-Muñiz Jaime
James Clancy W.
Protheroe Raymond J.
Zas Enrique
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