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Hadronic matrix elements for B-mixing in the standard model and beyond

By C.M. Bouchard, Fermilab Lattice Collaboration and MILC Collaboration


We use lattice QCD to calculate the B-mixing hadronic matrix elements for a basis of effective four-quark operators that spans the space of all possible contributions in, and beyond, the Standard Model. We present results for the SU(3)-breaking ratio ξ and discuss our ongoing calculation of the mixing matrix elements, including the first calculation of the beyond the Standard Model matrix elements from unquenched lattice QCD

Publisher: AIP Publishing
Year: 2013
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Provided by: Enlighten
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