Ultra-light scalar saving the 3 + 1 neutrino scheme from the cosmological bounds
The LSND and MiniBooNE results as well as the reactor and Gallium anomalies seem to indicate the presence of a sterile neutrino with a mass of ∼1 eV mixed with active neutrinos. Such sterile neutrino can be produced in the early universe before the neutrino decoupling, leading to a contribution to t...
Main Author: | Yasaman Farzan |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2019-10-01
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Series: | Physics Letters B |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269319306331 |
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