Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station

Author(s): M. Aguilar et al. (AMS Collaboration)

Higher accuracy measurements of the proton cosmic ray spectrum at high energies show that it deviates from the long held single power law behavior.

[Phys. Rev. Lett. 114, 171103] Published Thu Apr 30, 2015