Forward charm-production models and prompt neutrinos at IceCube

Abstract

We investigate the prompt neutrino background at IceCube, as determined from forward charm. We consider the role of intrinsic charm and of a recombination model and show that the contribution of these mechanisms is at most a factor two.

Comments: 10 pages, 6 figures; v2: Improved discussion, figures; no changes in results; version accepted for publication in JHEP