... of UHECR at energies below the ankle within a narrow energy band ( ( 1 4 ) 10^ 18 eV), we calculate the diffuse gamma-ray flux generated through UHECR propagation, normalizing the total cosmic ray energy budget in this band to the measured flux ...
... of UHECR at energies below the ankle within a narrow energy band ( ( 1 4 ) 10^ 18 eV), we calculate the diffuse gamma-ray flux generated through UHECR propagation, normalizing the total cosmic ray energy budget in this band to the measured flux ...