8 citations · 17 across the 6 of their papers we have counts for
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astro-ph2008★ 8 cited
A signature for the absence of event horizons
J. Barbieri, G. Chapline
A sharp dip in the spectrum of gamma rays coming from compact objects below 70 MeV would be an unambiguous signal that compact astrophysical objects have a physical surface, and th…
astro-ph2008★ 1 cited
High Energy Gamma Rays from Protons Hitting Compact Objects
J. Barbieri, G. Chapline
In a previous paper the spectrum of positrons produced by matter initially at rest falling onto a massive compact object was calculated. In this paper this calculation is generaliz…