Neutrino mass and invisible Higgs decays at the LHC
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Neutrino mass and invisible Higgs decays at the LHC

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Neutrino mass and invisible Higgs decays at the LHC

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Bonilla Díaz, César Manuel; Romao, J. C.; Furtado Valle, José Wagner Perfil
Aquest document és un/a article, creat/da en: 2015
The discovery of the Higgs boson suggests that neutrinos also get their mass from spontaneous symmetry breaking. In the simplest ungauged lepton-number scheme, the Standard Model Higgs now has two other partners: a massive CP-even scalar, and the massless Nambu-Goldstone boson, called the Majoron. For weak-scale breaking of lepton number the invisible decays of the CP-even Higgs bosons to the Majoron lead to potentially copious sources of events with large missing energy. Using LHC results, we study how the constraints on invisible decays of the Higgs boson restrict the relevant parameters, substantially extending those previously derived from LEP and potentially shedding light on the scale of spontaneous lepton-number violation.

    Bonilla Díaz, César Manuel Romao, J. C. Furtado Valle, José Wagner 2015 Neutrino mass and invisible Higgs decays at the LHC Physical Review D 91 11 113015
http://dx.doi.org/10.1103/PhysRevD.91.113015
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