1 citations · 1 across the 1 of their papers we have counts for
2 papers
astro-ph2004★ 1 cited
Some Current Theoretical Issues around Ultra-High Energy Cosmic Rays
Guenter Sigl
We address some current theoretical issues around ultra-high energy cosmic rays. We recall that scenarios producing more gamma-rays than cosmic rays up to high redshift can in gene…
astro-ph2003★ 2 cited
Ultra-High Energy Cosmic Rays from Quasar Remnants
C. Isola, G. Sigl, G. Bertone
One of the models recently proposed to explain the origin of the ultra high energy cosmic rays assumes that these particles may be accelerated by the electromotive force around pre…