In this article, we revisit the Type II seesaw mechanism based on the addition of a weak triplet scalar to the standard model. We perform a comprehensive study of its phenomenology at the LHC energies, complete with the electroweak precision constraints. We pay special attention to the doubly-charged component, object of collider searches for a long time, and show how the experimental bound on its mass depends crucially on the particle spectrum of the theory. Our study can be used as a roadmap for future complete LHC studies.



Titolo: Type II neutrino seesaw mechanism at the LHC: The roadmap
Autori: 
NESTI, FABRIZIO
mostra contributor esterni 
Data di pubblicazione: 2012
Rivista: 
PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY  
Abstract: In this article, we revisit the Type II seesaw mechanism based on the addition of a weak triplet scalar to the standard model. We perform a comprehensive study of its phenomenology at the LHC energies, complete with the electroweak precision constraints. We pay special attention to the doubly-charged component, object of collider searches for a long time, and show how the experimental bound on its mass depends crucially on the particle spectrum of the theory. Our study can be used as a roadmap for future complete LHC studies.
Handle: http://hdl.handle.net/11368/2900789
Digital Object Identifier (DOI): http://dx.doi.org/10.1103/PhysRevD.85.055018
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