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On transiton from galactic to extragalactic cosmic rays
Journal of Physics, Conference Series
The dip is a feature in the diffuse spectrum of UHE protons in energy range 1× 10^18 - 4× 10^19 eV, which is caused by electron-positron pair production on CMB photons. Calculated for power-law generation spectrum with index γ_g=2.7, the shape of the dip is confirmed with high accuracy by data of Akeno - AGASA, HiRes, Yakutsk and Fly's Eye detectors. The predicted shape of the dip is robust: it is valid for the rectilinear and diffusive propagation, for different discretenesses in the sourcedoi:10.1088/1742-6596/47/1/018 fatcat:lkvvi6potnf5lauz5i5fb2bjtm