Lepton Flavour Asymmetries and the Mass Spectrum of Primordial Black Holes. (arXiv:2011.07283v2 [astro-ph.CO] UPDATED)

Lepton Flavour Asymmetries and the Mass Spectrum of Primordial Black Holes. (arXiv:2011.07283v2 [astro-ph.CO] UPDATED)
<a href="http://arxiv.org/find/astro-ph/1/au:+Bodeker_D/0/1/0/all/0/1">Dietrich Bodeker</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Kuhnel_F/0/1/0/all/0/1">Florian Kuhnel</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Oldengott_I/0/1/0/all/0/1">Isabel M. Oldengott</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Schwarz_D/0/1/0/all/0/1">Dominik J. Schwarz</a>

We study the influence of lepton flavour asymmetries on the formation and the
mass spectrum of primordial black holes. We estimate the detectability of their
mergers with LIGO/Virgo and show that the currently published gravitational
wave events may actually be described by a primordial black hole spectrum from
non-zero asymmetries. We suggest to use gravitational-wave astronomy as a novel
tool to probe how lepton flavour asymmetric the Universe has been before the
onset of neutrino oscillations.

We study the influence of lepton flavour asymmetries on the formation and the
mass spectrum of primordial black holes. We estimate the detectability of their
mergers with LIGO/Virgo and show that the currently published gravitational
wave events may actually be described by a primordial black hole spectrum from
non-zero asymmetries. We suggest to use gravitational-wave astronomy as a novel
tool to probe how lepton flavour asymmetric the Universe has been before the
onset of neutrino oscillations.

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