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|Title:||Thinned simulations of extremely energetic showers in dense media for radio applications|
|Citation:||Astroparticle Physics, 2009; 32(2):100-111|
|Publisher:||Elsevier Science BV|
|J. Alvarez-Muñiz, C.W. James, R.J. Protheroe and E. Zas|
|Abstract:||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 . 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.|
|Keywords:||High-energy cosmic rays and neutrinos|
Cherenkov radio emission
|Description:||Copyright © 2009 Elsevier B.V. All rights reserved.|
|Appears in Collections:||Aurora harvest|
Chemistry and Physics publications
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