Answers are grounded in this paper and cite their sources.
The expected interstellar antiproton spectrum arising from cosmic-ray interactions in the Galaxy is recalculated, and the modulation of both antiprotons and protons is calculated using a two-dimensional modulation model incorporating gradient and curvature drifts and a wavy current sheet as well as the usual diffusion, convection, and energy-loss effects. Significant differences in the antiproton/proton ratio for different solar magnetic field polarities are predicted as well as a 'low-energy' component for antiprotons below about 1 GeV.
No takes yet. Share an insight, caveat, or question.
Webber et al. (1989) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: