2-6 December 2019
Centro Cultural, Universidad del Atlántico
America/Bogota timezone

The implementation of the Type III seesaw mechanism for neutrino masses in the context 2HDM

4 Dec 2019, 17:25
5m
Teatrino 1 (Centro Cultural, Universidad del Atlántico)

Teatrino 1

Centro Cultural, Universidad del Atlántico

Universidad del Atlántico Carrera 30 No. 8-49 Puerto Colombia, Atlántico

Speaker

Mr Julian Steven Gutierrez (Universidad Nacional de Colombia)

Description

The seesaw mechanism has remained the most elegant scheme to explain the smallness of the neutrino masses without having to unnaturally fine tune the Yukawa couplings to arbitrary small values. In the so-called type-III seesaw, three triplet fermions under SU(2) are added to the standard model particle contents. Once these heavy leptons are integrated out from the theory, the dimension-5 Weinberg operator is generated. After electroweak symmetry breaking Majorana neutrino masses are generated from this operator. The smallness of the neutrino mass is explained by the largeness of the heavy fermion mass and without having to fine tune the Yukawa couplings to very small values.

Primary author

Mr Julian Steven Gutierrez (Universidad Nacional de Colombia)

Presentation Materials

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