Cosmic antiproton spectrum at the top of the atmosphere derived from the new scaling model

The new scaling variable model explains the scaling behaviour of p+p to p+X inclusive reactions at CERN Intersecting Storage Ring energies. The cosmic antiproton spectrum has been derived from this model using the primary proton spectrum of Ryan et al. (1972). The derived antiproton-proton flux ratio lies within the upper limit value of Bogomolov et al. (1971) and Chen (1972). (13 refs).