Publication Date:
2013-09-28
Description:
Author(s): Martina Gerbino, Eleonora Di Valentino, and Najla Said We present new constraints on the rest-frame sound speed, c eff 2 , and the viscosity parameter, c vis 2 , of the cosmic neutrino background from the recent measurements of the cosmic microwave background anisotropies provided by the Planck satellite. While broadly consistent with the expectations of c eff ... [Phys. Rev. D 88, 063538] Published Fri Sep 27, 2013
Keywords:
Astrophysics & Cosmology
Print ISSN:
0556-2821
Electronic ISSN:
1089-4918
Topics:
Physics
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