1. 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)

2. ♦ ♦ ♦ Motivation

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

4. ♦ Sphalerons and Baryogenesis

5. Popular B generation mechanisms

6. N-Nbar Oscillations and Baryogenesis

7. Post-sphaleron baryogenesis

8. Possible B violating couplings

9. S couplings

10. Explicit Model

11. B violating decay of S

12. CP Asymmetry

13. Model Predictions

15. B Violating decays of Fermionic N

17. CP asymmetry

18. Dark Matter

20. n-nbar oscillations

21. Summary and Conclusions

22. “Standard” Picture

23. Dark Matter in Minimal SUSY

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

25. Arkani-Hamed, Delgado, Guidice (2006)

26. Proposal for B generation and Dark Matter

27. Unified Model

28. Unified Model (cont.)

31. N decay

32. CP asymmetry