BSM Matter providing Neutrino Masses and Gauge Unification (CROSBI ID 674494)
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Podaci o odgovornosti
Picek, Ivica
engleski
BSM Matter providing Neutrino Masses and Gauge Unification
I present several scenarios developed in Zagreb, in which TeV-scale particles belonging to non-trivial weak-isospin multiplets give rise to neutrino-mass mechanisms different from conventional type I, II and III seesaw models. Two dim 9 tree-level mechanisms, presented first, provide an appealing testability of their exotic TeV-scale particles at the LHC. These models are not genuine, since their particles also provide competing dim 5 loop contributions. The loop-models presented next are genuine, without competing tree-level contributions. Among them, the three-loop model involves high-order weak multiplets leading to Landau poles. The one-loop model with scalar triplet as the largest multiplet, in addition to good UV properties, provides the particle set promising for gauge coupling unification. Therefore, it served us as a starting point for a study of SU(5) embedding of additional particles leading to viable unification scenarios. To distinguish among them begs for additional principle which reigns over particle completion and eventual dark matter considerations
Extensions of Standard Model ; Neutrino Masses ; Grand Unification ; Dark Matter
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Podaci o prilogu
2018.
objavljeno
Podaci o matičnoj publikaciji
Podaci o skupu
On a safe road to quantum gravity with matter
pozvano predavanje
11.09.2018-14.09.2018
Hvar, Hrvatska