Bariogénesis a través de Leptogénesis
Keywords:
Leptogénesis, asimetría bariónica, neutrinos de Majorana, ecuaciones de Boltzmann, esfalerones. (es)Leptogénesis, baryon asymmetry, Majorana neutrinos, Boltzmann equations, sphalerons. (en)
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Al añadir neutrinos de Majorana derechos al modelo estándar, sus decaimientos fuera del equilibrio que violan el número leptónico combinados con procesos electrodébiles anómalos pueden generar la asimetría bariónica del Universo. Se hace una breve revisión de este modelo, incluyendo las secciones eficaces que ingresan en las ecuaciones de Boltzmann, y se hallan soluciones aproximadas a las mismas. Se derminan rangos plausibles que deben tener los parámetros para obtener una asimetría del orden de la observada, YB~10-11:
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