1. 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

2. Outline

3. 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)

4. Specific Example: Type I Seesaw

5. Theta(13) in Minimal SO(10)

6. 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)

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

8. Nucleon decay in non-SUSY SO(10)

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

10. Radiative mass generation

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

12. Zee Model of Neutrino Mass
A. Zee (1980)

13. Zee Model of Neutrino Mass (cont.)

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

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

16. New Predictive Realization
Babu, Julio (2013)

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

23. Higgs Phenomenology

24. LFV mediated by Higgs bosons

25. Higgs Decays and Branching Ratios

26. Zee, (1985)
Babu (1988)

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

28. Renormalization group equations

30. Boundedness of the potential

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

34. LFV in Radiative Neutrino Mass Model (cont.)

35. Summary and Conclusions