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SUMMARY:Understanding the origin of matter in the universe: the neutrino a
 pproach - Pasquale di Bari - Southampton University
DTSTART:20220221T130000Z
DTEND:20220221T140000Z
UID:TALK168713@talks.cam.ac.uk
CONTACT:Francesco
DESCRIPTION:Despite no clear signs of new physics at colliders\, neutrino 
 masses and the matter content of the universe require an extension of our 
 current established description of the fundamental laws of physics. Extens
 ions of the Standard Model able to address simultaneously neutrino masses 
 and mixing parameters and the problem of the origin of matter of the unive
 rse\, both the matter-antimatter asymmetry and the existence of a (non-bar
 yonic) dark matter component\, are quite attractive and can moreover  be e
 mbedded  within well motivated models such as grand unified theories and/o
 r flavour models.  In the talk I will give an overview of models of the or
 igin of matter in the universe relying on the existence of right-handed ne
 utrinos and on minimal seesaw mechanism. I will also show how these extens
 ions might give rise to signatures in ultra-high energy neutrino flux\, st
 ochastic GW backgrounds and also potentially address current cosmological 
 tensions such as the Hubble (constant) tension.
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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