Screening of Long-Range Leptonic Forces by Cosmic Background Neutrinos
Alexandre D. ~Dolgov, Georg G. ~Raffelt
Abstract
The absence of dispersion effects of the SN~1987A neutrino pulse has been used to constrain novel long-range forces between neutrinos and galactic baryonic or non-baryonic matter. If these forces are mediated by vector bosons, screening effects by the cosmic neutrino background invalidate the SN~1987A limits and other related arguments.
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