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The Anatomy of Quark Flavour Observables in 331 Models in the Flavour Precision Era
Andrzej J. Buras, Fulvia De Fazio, Jennifer Girrbach +1
The coming flavour precision era will allow to uncover various patterns of flavour violation in different New Physics (NP) scenarios that are presently washed out by hadronic and e…
The Anatomy of Z' and Z with Flavour Changing Neutral Currents in the Flavour Precision Era
Andrzej J. Buras, Fulvia De Fazio, Jennifer Girrbach
The simplest extension of the SM that generally introduces new sources of flavour and CP violation as well as right-handed currents is the addition of a U(1) gauge symmetry to the…
On the Standard Model prediction for BR(B{s,d} to mu+ mu-)
Andrzej J. Buras, Jennifer Girrbach, Diego Guadagnoli +1
The decay Bs to mu+ mu- is one of the milestones of the flavor program at the LHC. We reappraise its Standard Model prediction. First, by analyzing the theoretical rate in the ligh…
On the Correlations between Flavour Observables in Minimal U(2)^3 Models
Andrzej J. Buras, Jennifer Girrbach
The stringent correlations between flavour observables in models with CMFV are consistent with the present data except for the correlation Delta M_{s,d}-epsilon_K. Motivated by the…
BSM models facing the recent LHCb data: A first look
Andrzej J. Buras, Jennifer Girrbach
During last decade a number of detailed analyses of flavour observables and of their correlations within more than a dozen specific BSM models have been performed at the TUM. One o…
Completing NLO QCD Corrections for Tree Level Non-Leptonic Delta F = 1 Decays Beyond the Standard Model
Andrzej J. Buras, Jennifer Girrbach
In various extensions of the Standard Model (SM) tree level non-leptonic decays of hadrons receive contributions from new heavy gauge bosons and scalars. Prominent examples are the…
Complete NLO QCD Corrections for Tree Level Delta F = 2 FCNC Processes
Andrzej J. Buras, Jennifer Girrbach
Anticipating the important role of tree level FCNC processes in the indirect search for new physics at distance scales as short as 10^-19-10^-21 m, we present complete NLO QCD corr…