Stress-testing the Standard Model with lattice QCD
I will show recent results from the HPQCD collaboration that allow stringent tests of the Standard Model in the physics of mesons containing charm and bottom quarks. Tuning quark masses and normalising current operators are critical to accuracy and I will discuss our recent improved determination of the charm quark mass and current renormalisation factors for accurate matrix elements. I will also show results for meson decay constants, semileptonic form factors and B/Bs mixing amplitudes, all of which provide SM results for combining with experiment to determine CKM elements or tests for new physics.
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The Particle Physics Theory seminar is a weekly series of talks reflecting the diverse interests of the group. Topics include analytic and numerical calculations based on the Standard Model of elementary particle physics, theories exploring new physics, as well as more formal developments in gauge theories and gravity..