Artículos de revistas
Bounds on the density of sources of ultra-high energy cosmic rays from the Pierre Auger Observatory
Journal of Cosmology and Astroparticle Physics, Bristol: Institute of Physics - IOP, v. 2013, n. 5, p. 009-1-009-18, May 2013
Albuquerque, Ivone Freire da Mota e
Souza, Vitor de
Peixoto, C. J. Todero
Tridapalli, D. B.
We derive lower bounds on the density of sources of ultra-high energy cosmic rays from the lack of significant clustering in the arrival directions of the highest energy events detected at the Pierre Auger Observatory. The density of uniformly distributed sources of equal intrinsic intensity was found to be larger than ~(0.06 - 5) × '10 POT. -4' 'Mpc POT. -3' at 95% CL, depending on the magnitude of the magnetic deflections. Similar bounds, in the range (0.2 - 7) × '10 POT. -4' 'Mpc POT. -3', were obtained for sources following the local matter distribution.