273 citations · 464 across the 15 of their papers we have counts for
Showing astro-ph.COShow all
2 papers · 1 filter
astro-ph.CO2009★ 1 cited
Detection of distant AGN by MAGIC: the transparency of the Universe to high-energy photons
Marco Roncadelli, Alessandro De Angelis, Oriana Mansutti
The recent detection of blazar 3C279 by MAGIC has confirmed previous indications by H.E.S.S. that the Universe is more transparent to very-high-energy gamma rays than previously th…
astro-ph.CO2009★ 4 cited
Primordial black holes are again on the limelight
Marco Roncadelli, Aldo Treves, Roberto Turolla
We derive a strong upper bound on the amount of Primordial Black Holes (PBHs) that can still be present in the Universe. Gravitational capture of PBHs by the Milky Way stars during…