DUSEL Theory Workshop Ohio State University April 4-6, 2008 K.S. Babu Oklahoma State University K.S. Babu, R.N. Mohapatra, S. Nasri, Phys. Rev. Lett. (2007)

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Presentation transcript:

DUSEL Theory Workshop Ohio State University April 4-6, 2008 K.S. Babu Oklahoma State University K.S. Babu, R.N. Mohapatra, S. Nasri, Phys. Rev. Lett. (2007) K.S. Babu, R.N. Mohapatra, S. Nasri, Phys. Rev. Lett. (2006)

♦ ♦ ♦ Motivation

♦ ♦ ♦ ♦ ‘t Hooft (1976) Kuzmin, Rubakov, Shaposhnikov (1985) Baryon Number Violation in Standard Model

♦ Sphalerons and Baryogenesis

Popular B generation mechanisms

N-Nbar Oscillations and Baryogenesis

Post-sphaleron baryogenesis

Possible B violating couplings

S couplings

Explicit Model

B violating decay of S

CP Asymmetry

Model Predictions

B Violating decays of Fermionic N

CP asymmetry

Dark Matter

n-nbar oscillations

Summary and Conclusions

“Standard” Picture

Dark Matter in Minimal SUSY

Bino LSP Ellis, Olive, Santoso (2003) Thin blue strip – dark matter allowed

Arkani-Hamed, Delgado, Guidice (2006)

Proposal for B generation and Dark Matter

Unified Model

Unified Model (cont.)

N decay

CP asymmetry

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