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Strongly Interacting Neutrinos as the Highest Energy Cosmic Rays: A Quantitative Analysis
Markus Ahlers, Andreas Ringwald, Huitzu Tu
Scattering processes in the cosmic microwave background limit the propagation of ultra high energy charged particles in our Universe. For extragalactic proton sources resonant phot…
Is it possible to tell the difference between fermionic and bosonic hot dark matter?
Steen Hannestad, Andreas Ringwald, Huitzu Tu +1
We study the difference between thermally produced fermionic and bosonic hot dark matter in detail. In the linear regime of structure formation, their distinct free-streaming behav…
Cosmic rays at ultra high energies (Neutrinos!)
Markus Ahlers, Andreas Ringwald, Huitzu Tu
Resonant photopion production with the cosmic microwave background predicts a suppression of extragalactic protons above the famous Greisen-Zatsepin-Kuzmin cutoff at about E_{GZK}…