Lessons for New Physics from CKM studies

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Date/Time:Wednesday, 20 Apr 2011 from 4:10 pm to 4:10 pm
Location:A401, Zaffarano Hall
Contact:Chunhui Chne
Phone:515-294-5062
Channel:High Energy Physics
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Dr. Enrico Lunghi, Indiana University

I present a critical review of the present status of CP violation studies. Within the SM, all CP violation is described by the single unitary Cabibbo-Kobayashi-Maskawa (CKM) matrix. Global fits to the 4 parameters of the CKM matrix point towards a discrepancy at more than 3 sigma level.In the second part of the talk I show evidence in favor of interpreting this tension in terms of new physics in B mixing and extract the effective new physics scale. Finally I present an outlook of what we can expect in the next few years.