How degenerate can cosmological neutrinos be?

Details How degenerate can cosmological neutrinos be? How degenerate can cosmological neutrinos be?

1998-09-16

arxiv.org/abs/hep-ph/9809410v3

Phys.Lett. B451 (1999) 136-139

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, Latex, uses epsf.sty. (Some details added at the referee's request. One reference added.)

Scientific paper

10.1016/S0370-2693(99)00218-X

There are well-known bounds on light neutrino masses from cosmological energy
density arguments. These arguments assume the neutrinos to be non-degenerate.
We show how these bounds are affected if the neutrinos are degenerate. In this
case, we obtain correlated bounds between neutrino mass and degeneracy.

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