Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-06-03
Phys.Rev.D78:043005,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages with 11 figures; expanded discussion, added references, version to be published in Phys. Rev. D
Scientific paper
10.1103/PhysRevD.78.043005
We calculate the prompt neutrino flux from atmospheric charm production by cosmic rays, using the dipole picture in a perturbative QCD framework, which incorporates the parton saturation effects present at high energies. We compare our results with the next-to-leading order perturbative QCD result and find that saturation effects are large for neutrino energies above 10^6 GeV, leading to a substantial suppression of the prompt neutrino flux. We comment on the range of prompt neutrino fluxes due to theoretical uncertainties.
Enberg Rikard
Hall Reno Mary
Sarcevic Ina
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