Speaker
Zurab Berezhiani
(Univ. L'Aquila and INFN)
Description
I discuss problems regarding the origin, propagation, spectral shape and chemical composition of the ultra-high energy cosmic rays above the GZK cutoff, and show how one could alleviate these problems with a new physics presumably also related to dark matter.
Primary author
Zurab Berezhiani
(Univ. L'Aquila and INFN)
