New and Improved Models of Radiative Neutrino Masses

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Presentation transcript:

New and Improved Models of Radiative Neutrino Masses K.S. Babu Oklahoma State University From Majorana to LHC: Workshop on the Origin of Neutrino Mass ICTP, Trieste October 2-5, 2013

Outline

Minimal SO(10) as a theory of neutrino mass Model has only 11 real parameters plus 7 phases Babu, Mohapatra (1993) Bajc, Senjanovic, Vissani (2002) Fukuyama, Okada (2002) Goh, Mohapatra, Ng (2003) Babu, Macesanu (2005) Bertolini, Malinsky, Schwetz (2006) Bajc, Dorsner, Nemevsek (2009) Joshipura, Patel (2012)

Specific Example: Type I Seesaw

Theta(13) in Minimal SO(10)

Testing SO(10) via Proton Decay Pati-Salam symmetry Mohapatra, Parida (1993) Deshpande, Keith, Pal (1995) Lee, Mohapatra, Parida, Rani (1995) Bertolini, Luzio, Malinsky (2012) Altarelli, Meloni (2013) Babu, Khan (2013)

Gauge coupling evolution in non-SUSY SO(10) Babu, Khan (2013)

Nucleon decay in non-SUSY SO(10)

Proton Lifetime in non-SUSY SO(10) Babu, Khan (2013)

Radiative mass generation

S. Weinberg (1979) C.N. Leung, KSB (2003) For applications see: De Gouvea, Jenkins (2008) Angel, Rodd, Volkas (2012) Bonnet, Hirsch, Ota, Winter (2013)

Zee Model of Neutrino Mass A. Zee (1980)

Zee Model of Neutrino Mass (cont.)

L. Wolfenstein (1980) Smirnov, Tanimoto (1997) Jarlskog, Matsuda, Skaldhauge, Tanimoto (1999) Frampton, Glashow (1999)

Koide (2001) X.G. He (2004)

New Predictive Realization Babu, Julio (2013)

Gonzalez-Garcia et al (2012) Fogli et al (2012)

Higgs Phenomenology

LFV mediated by Higgs bosons

Higgs Decays and Branching Ratios

Zee, (1985) Babu (1988)

Renormalization of the two—loop model K.S. Babu, J. Julio (2013)

Renormalization group equations

Boundedness of the potential

LFV Predictions of Radiative Neutrino Mass Model K.S. Babu, J. Julio (2013)

LFV in Radiative Neutrino Mass Model (cont.)

Summary and Conclusions