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- W2186501863 abstract "We present a general analysis of extensions of the Standard Model which satisfy the criterion of Minimal Flavour Violation (MFV). We dene this general framework by constructing a low-energy eective theory containing the Standard Model elds, with one or two Higgs doublets and, as the only source of SU(3) 5 flavour symmetry breaking, the background values of elds transforming under the flavour group as the ordinary Yukawa couplings. We analyse present bounds on the eective scale of dimension-six operators, which range between 1 and 10 TeV, with the most stringent constraints imposed by B ! Xs. In this class of theories, it is possible to relate predictions for FCNC processes in B physics to those in K physics. We compare the sensitivity of various experimental searches in probing the hypothesis of MFV. Within the two-Higgs-doublet scenario, we develop a general procedure to obtain all tan -enhanced Higgs-mediated FCNC amplitudes, discussing in particular their impact in B ! ‘ + ‘ ,MB and B ! Xs. As a byproduct, we derive some two-loop tan -enhanced supersymmetric contributions to B ! Xs previously unknown." @default.
- W2186501863 created "2016-06-24" @default.
- W2186501863 creator A5050909733 @default.
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- W2186501863 date "2002-01-01" @default.
- W2186501863 modified "2023-09-26" @default.
- W2186501863 title "Minimal Flavour Violation: an eective eld theory approach" @default.
- W2186501863 hasPublicationYear "2002" @default.
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