Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-07-22
Astropart.Phys.18:449-461,2003
Physics
High Energy Physics
High Energy Physics - Phenomenology
30 pages, 14 figures, major revision for submission to Astroparticle Physics. Accepted 2002/04
Scientific paper
10.1016/S0927-6505(02)00159-7
We present a three-dimensional calculation of atmospheric neutrino fluxes using accurate models of the geomagnetic field, hadronic interactions, tracking and decays. Results are presented for the Super-Kamiokande (SK) and Sudbury Neutrino Observatory (SNO) sites using the GEANT-FLUKA hadronic code. We make a comparison with previous one-dimensional calculations and other three-dimensional results. The recently reported geometrical enhancement of low energy, horizontal neutrinos is confirmed. The effect on observed leptons is however, restricted to a small overall increase in flux. We report east-west asymmetries for each of the neutrino species.
Komar Robert
Nally Christian
Tserkovnyak Yaroslav
Waltham Chris
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