1 / 12

Brooks Thomas (University of Michigan, MCTP)

Dirac Leptogenesis and Neutrino Phenomenology. The CMB as seen by WMAP. Brooks Thomas (University of Michigan, MCTP). Superpotential and Fields. Effective Dirac Mass. Two Distinct Lepton Numbers. SU(2) £ U(1). Left-right equilibration (suppressed). L agg. L R. F . B. B. B. L. L.

judith
Download Presentation

Brooks Thomas (University of Michigan, MCTP)

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Dirac Leptogenesis and Neutrino Phenomenology The CMB as seen by WMAP Brooks Thomas (University of Michigan, MCTP)

  2. Superpotential and Fields Effective Dirac Mass

  3. Two Distinct Lepton Numbers SU(2)£ U(1) Left-right equilibration (suppressed) Lagg LR F

  4. B B B L L L A Game of Time Scales 1 2 3 Positive B Positive L (B-L)=Const. Lagg Lagg LR Lagg LR LR Initial Decays Sphaleron Era Equilibration Era

  5. yeff y’ L-R Equilibration Process Constraints: Delayed Equilibration

  6. Constraints: Gravitino Problem BBN Constraints PeV Window Most Favorable Region Gluino Problem

  7. Constraints: Neutrino Physics Atmospheric Solar (LMA) sin31

  8. The Normal Spectrum Neutrinos In Dirac Leptogenesis

  9. CHDL: a Theory-Motivated Model

  10. CHDL and the Neutrino Spectrum a3 and b3 for =10-1 a3 and b3 in CHDL

  11. Solving the Boltzmann Equations Dominant Weak Coupling Solution Strong Coupling Solution

  12. E X C L U D E D E X C L U D E D a3=95.0 a3=4.5 The Final Result: CHDL Works

More Related