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-- UHE Neutrinos --

The GZK Neutrinos

Why UHE neutrinos matter?

UHE neutrinos interact in the neutrino background

The Cosmological Neutrino Background

The Cosmological Neutrino Background II

The Neutrino Darkmatter

Thermal History of Universe

Mean free path of the interactions

Kinematics of the collision

The representative channels

Energy dist. of the cascading particles

Hadron fragmentation in the produced jets

Horizon of Universe with neutrinos

Predicted UHE neutrino fluxes

Concept of the Z-burst model

Produced photons go into EM cascades

Numerical Caluculation on the Z-burst model: