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Fingerprint of Low-Scale Leptogenesis in the Primordial Gravitational-Wave Spectrum
The dynamical generation of right-handed-neutrino (RHN) masses in the early Universe naturally entails the formation of cosmic strings that give rise to an observable signal in gravitational waves (GWs). In this paper, we show that a characteristic break in the GW spectrum would provide evidence for...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
2020
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevResearch.2.043321 http://cds.cern.ch/record/2715409 |