http://arxiv.org/abs/2006.09553
In this addendum to the article JCAP 1912 (2019) no.12, 047 (arXiv:1909.13328) on the cosmological dependence of non-resonantly produced sterile neutrinos we discuss, using an analytic treatment, the parameter regions of large active-sterile neutrino mixing angles where sterile neutrinos can approach thermalization. We show that these additional considerations affect only large active-sterile neutrino mixing already rejected by different limits. Hence, the allowed sterile neutrino parameter regions are unaffected.
G. Gelmini, P. Lu and V. Takhistov
Thu, 18 Jun 20
81/84
Comments: 12 pages, 2 figures
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