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- W3045919574 endingPage "044" @default.
- W3045919574 startingPage "044" @default.
- W3045919574 abstract "Usually information from early eras such as reheating is hard to come by. In this paper we argue that, given the right circumstances, right-handed sterile neutrinos decaying to left-handed active ones at relatively late times can carry information from reheating by propagating freely over the thermal history. For not too small mixing angles, suitable right-handed neutrino masses are around MeV–GeV. We identify the typical spectra and argue that they provide information on the ratio of the inflaton mass to the reheating temperature. This primordial neutrino signal can be strong enough that it can be detected in IceCube. More speculatively, for a reheating temperature and inflaton mass satisfying TR=(1–100) MeV, and mϕ=(1016-19) GeV they may even explain the observed PeV events. Also more general relativistic dark particles can play the role of such messengers, potentially not only allowing for the PeV events but also alleviating the H0-tension." @default.
- W3045919574 created "2020-08-03" @default.
- W3045919574 creator A5007131223 @default.
- W3045919574 creator A5061209912 @default.
- W3045919574 date "2021-02-23" @default.
- W3045919574 modified "2023-10-16" @default.
- W3045919574 title "Boosted neutrinos and relativistic dark particles as messengers from reheating" @default.
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