Cosmic Sum Rules

Abstract

We introduce new sum rules allowing to determine universal properties of the unknown component of the cosmic rays and show how they can be used to predict the positron fraction at energies not yet explored by current experiments and to constrain specific models.

Comments: RevTeX, 4 pages, 6 figures, two-columns. Final version to match the published version in Brief Reports section of Phys. Rev. D. We stress that this is the first paper about charge asymmetries in cosmic rays