Z-burst
A Z-burst resulting from the resonant annihilation of an ultrahigh-energy cosmic neutrino on a relic antineutrino. The Earth is seen in the bottom left corner of the image.
International Journal of High-Energy Physics
A Z-burst resulting from the resonant annihilation of an ultrahigh-energy cosmic neutrino on a relic antineutrino. The Earth is seen in the bottom left corner of the image.