684 citations · 13.5k across the 217 of their papers we have counts for
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astro-ph2000★ 4 cited
Possible galactic sources of ultrahigh-energy cosmic rays and a strategy for their detection via gravitational lensing
Alexander Kusenko, Vadim A. Kuzmin
If decays of superheavy relic particles in the galactic halo are responsible for ultrahigh-energy cosmic rays, these particles must be clustered to account for small-scale anisotro…
astro-ph2000★ 6 cited
Signature neutrinos from ultrahigh-energy photons
Alexander Kusenko
At high red shift, the temperature of cosmic microwave background is sufficiently high for the ultrahigh-energy photons to pair-produce muons and pions through interactions with th…