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The Small Observed Baryon Asymmetry from a Large Lepton Asymmetry

Primordial Big-Bang Nucleosynthesis (BBN) tightly constrains the existence of any additional relativistic degrees of freedom at that epoch. However a large asymmetry in electron neutrino number shifts the chemical equilibrium between the neutron and proton at neutron freeze-out and allows such addit...

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Detalles Bibliográficos
Autores principales:	March-Russell, John, Murayama, Hitoshi, Riotto, Antonio
Lenguaje:	eng
Publicado:	1999
Materias:	Particle Physics - Phenomenology
Acceso en línea:	https://dx.doi.org/10.1088/1126-6708/1999/11/015 http://cds.cern.ch/record/397013

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