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B-Bbar Mixing with Domain Wall Fermions

Presenter: Jan Wennekers — University of Edinburgh

Peter Boyle, Luigi Del Debbio, Thomas Dumitrescu, Taku Izubuchi, Oleg Loktik, Jan Wennekers

We present results from simulations of static-light mesons on 2+1 flavour Domain Wall Fermion lattices with a (2fm)3 spatial volume. We obtain the decay constants and Δ B=2 weak matrix elements for the B and Bs mesons and the corresponding ratio ξ=fBsBBs/fBBB which relates the measured mass differences to the ratio of CKM matrix elements |Vts|/|Vtd|.