Electroweak constraints on see-saw messengers and their implications for LHC

del Aguila, F.; Aguilar-Saavedra, J.A.; de Blas, J.; Perez-Victoria, M.

Electroweak constraints on see-saw messengers and their implications for LHC

Jun, 2008

8 pages

Part of Proceedings, 43rd Rencontres de Moriond on Electroweak Interactions and Unified Theories : La Thuile, Italy, March 1-8, 2008, 45-52

Contribution to:

43rd Rencontres de Moriond on Electroweak Interactions and Unified Theories, 45-52

e-Print:

0806.1023 [hep-ph]

Report number:

UG-FT-231-08,
CAFPE-101-08

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Abstract: (arXiv)

We review the present electroweak precision data constraints on the mediators of the three types of see-saw mechanisms. Except in the see-saw mechanism of type I, with the heavy neutrino singlets being mainly produced through their mixing with the Standard Model leptons, LHC will be able to discover or put limits on new scalar (see-saw of type II) and lepton (see-saw of type III) triplets near the TeV. If discovered, it may be possible in the simplest models to measure the light neutrino mass and mixing properties that neutrino oscillation experiments are insensitive to.

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