Fecha- hora: 29 de mayo, 12:00 hrs. (Chile Continental) vía online.

Speaker:    Professor Pasquale Di Bari  (University of Southampton, United Kingdom)

Title:   “Neutrino Majorana mass generation in the early universe”

Abstract:

In the talk I will discuss how the generation of neutrino Majorana mass can have different implications in the early universe.  If this is associated to a first order phase transition a gravitational wave production becomes possible and can give a signal. I will show how in this case having a multiple majoron model can enhance the signal. I will also discuss how a low scale Majorana mass generation can help addressing different cosmological anomalies/tensions. In particular, it might be related to the instability of cosmic neutrinos and explain the  excess radio background detected by ARCADE and the putative anomalous 21 cm global signal claimed by EDGES.

Unirse a la reunión Zoom con nombre y apellido (with name and surname):  https://reuna.zoom.us/j/87161425888?pwd=MWFZUFNQRnI4MXo1QzFLdGpJblllZz09

ID de reunión: 871 6142 5888

Código de acceso: 100126

Note:      

The seminars are uploaded in the youtube channel UTFSMHEP Seminars:   https://www.youtube.com/channel/UCYq1A4y7pCHqovaXsrtd6hg