Large Theta(13) From Minimal SO(10) Unification Large Theta(13) From Minimal SO(10) Unification

K.S. BabuK.S. Babu

Oklahoma State UniversityOklahoma State University

ICHEP 2012ICHEP 2012

Melbourne , July 4-11, 2012Melbourne , July 4-11, 2012

Outline

Recent Results on Theta(13)

Daya Bay

RENO

Forero, Tortola, Valle, 2012

Global Fit to Neutrino Oscillations

Finding Order in Ferrmion Mass Spectrum

Small Neutrino Masses from Seesaw

Neutrino Masses in Unified Theories

Quantum Numbers of Fermions in SO(10)

Model has only 11 real parameters plus 7 phases

Babu, Mohapatra (1993)Fukuyama, Okada (2002)Bajc, Melfo, Senjanovic, Vissani (2004)Fukuyama, Ilakovac, Kikuchi, Meljanac, Okada (2004)Aulakh et al (2004)

Bertolini, Frigerio, Malinsky (2004)Babu, Macesanu (2005)Bertolini, Malinsky, Schwetz (2006)Dutta, Mimura, Mohapatra (2007)Bajc, Dorsner, Nemevsek (2009)

Minimal SO(10) Model

Specific Example: Type I Seesaw

Specific Example: Type II Seesaw

Theta(13) in Minimal SO(10)

Global Fit to Minimal SO(10)

Global Fit to Minimal SO(10)

Global Fit to Minimal SO(10)

(B-L) – Violation in SO(10)

Weinberg (1979)Wilczek, Zee (1979)

B violation beyond the leading order

Origin of d = 7 operators in SO(10)

B-L violating nucleon decay rates

Intermediate scale in non-SUSY SO(10)

Mohapatra, Parida (1992)Pal, Keith, Deshpande (1992)

Revival of GUT scale Baryogenesis

B-L asymmetry in scalar decays

B-L asymmetry in scalar decays (cont.)

Summary and Conclusions