solutions to the strong cp and susy phase problems with...

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Solutions to the strong CP and SUSY phase Solutions to the strong CP and SUSY phase problems with parity symmetry problems with parity symmetry K.S. Babu K.S. Babu Department of Physics, Oklahoma State University Department of Physics, Oklahoma State University Workshop on the origin of P, CP and T violation Workshop on the origin of P, CP and T violation” ICTP, Trieste, Italy ICTP, Trieste, Italy July 2-5, 2008 July 2-5, 2008

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Page 1: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Solutions to the strong CP and SUSY phaseSolutions to the strong CP and SUSY phaseproblems with parity symmetryproblems with parity symmetry

K.S. BabuK.S. BabuDepartment of Physics, Oklahoma State UniversityDepartment of Physics, Oklahoma State University

““Workshop on the origin of P, CP and T violationWorkshop on the origin of P, CP and T violation””

ICTP, Trieste, ItalyICTP, Trieste, Italy

July 2-5, 2008July 2-5, 2008

Page 2: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Based on recent work Based on recent work

““Minimal Minimal SupersymmetricSupersymmetric Left-Right Model Left-Right Model”” K.S. K.S. BabuBabu and R.N. and R.N. MohapatraMohapatra

hep-ph/0807.0481hep-ph/0807.0481

Page 3: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Why SUSY Left-Right Symmetry?

Page 4: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Minimal SUSY Left-Right Model

Page 5: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured
Page 6: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured
Page 7: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Problem with the minimal model

Kuchimanchi, Mohapatra (1993)

Page 8: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Suggested solutions

Page 9: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

How the model heals itself

Page 10: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Effective Potential

Page 11: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Diagrams inducing effective potential

Page 12: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured
Page 13: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Solving the SUSY CP problem

Page 14: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Solving the strong CP problem

Page 15: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Loop corrections to theta-bar

KB, Dutta, Mohapatra (2000)

Page 16: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Predictions of the minimal model

Page 17: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Predictions of the minimal model (cont.)

Page 18: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Predictions of the minimal model (cont.)

Page 19: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Predictions of the minimal model (cont.)

Page 20: Solutions to the strong CP and SUSY phase problems with ...users.ictp.it/~smr1951/Programme_files/09-Babu.pdf · Minimal SUSY left—right model works! Global minimum problem cured

Summary and conclusions

Thank you!