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Constraints on and Strong Phases from Decays
Andrzej J. Buras, Robert Fleischer
As we pointed out recently, the neutral decays and may provide non-trivial bounds on the CKM angle . Here we reconsider this approach in the lig…
A Lower Bound on sin 2βfrom Minimal Flavour Violation
Andrzej J. Buras, Robert Buras
We point out that there exists an absolute lower bound on sin 2βin all models with minimal flavour violation (MFV), that do not have any new operators beyond those present in the S…
epsilon'/epsilon and Rare K and B Decays in the MSSM
A. J. Buras, P. Gambino, M. Gorbahn +2
We analyze the CP violating ratio epsilon'/epsilon and rare K and B decays in the MSSM with minimal flavour and CP violation, including NLO QCD corrections and imposing constraints…
Universal Unitarity Triangle and Physics Beyond the Standard Model
A. J. Buras, P. Gambino, M. Gorbahn +2
We make the simple observation that there exists a universal unitarity triangle for all models, like the SM, the Two Higgs Doublet Models I and II and the MSSM with minimal flavour…
Two-Loop QCD Anomalous Dimensions of Flavour-Changing Four-Quark Operators Within and Beyond the Standard Model
Andrzej J. Buras, Mikolaj Misiak, Joerg Urban
We calculate the two-loop QCD anomalous dimension matrix (ADM) gamma^(1)_NDR in the NDR-MSbar scheme for all the flavour-changing four-quark dimension-six operators that are releva…
Constraints on the CKM Angle and Strong Phases from Decays
Andrzej J. Buras, Robert Fleischer
As we pointed out recently, the neutral decays and may provide non-trivial bounds on the CKM angle . In this paper, we reconsider this approach…