Wednesday, October 26, 2011, 2:00 pm — Small Seminar Room, Bldg. 510
Neutral Kaon mixing plays an important role in the phenomenology of the standard model and its extensions because of its sensitivity to high-energy scales. In particular epsilon_K, parameterising indirect CP violation, serves as an important constraint on models of new physics, in this way complementing the direct searches at LHC. In order to exploit this sensitivity, a precise standard-model prediction is crucial.
In this seminar I will give a summary of the standard-model prediction of epsilon_K and the Kaon mass difference Delta M_K, and present our recent NNLO QCD calculation of the contributions eta_ct and eta_cc to the Delta S = 2 effective Hamiltonian. It turns out that the NNLO corrections are very large, and I will discuss the impact on epsilon_K and the theory uncertainties in some detail.
Hosted by: Yingchuan Li
7625 | INT/EXT | Events Calendar
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