Lattice QCD and Flavor-Changing Neutral Currents

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• Andreas S Kronfeld (Fermilab & IAS TU München)
• Friday 28 April 2017, 16:00-17:00
• B1.19, DAMTP.

If you have a question about this talk, please contact Dr Maria Ubiali.

Several tensions between experimental measurements and the Standard Model have been reported, at least in the quark-flavor sector. Should these discrepancies mature into significant discrepancies, they would be evidence for new physics. In this talk, I discuss several lattice-QCD calculations (from the Fermilab Lattice and MILC Collaborations) that go into the Standard-Model predictions for flavor-changing neutral currents: particle-antiparticle mixing in $B$ and $B_s$ mesons and semileptonic $B$ decays mediated (in the SM) by penguins.

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

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