Covariant Description of Flavor Violation at the LHC

Details Covariant Description of Flavor Violation at the LHC Covariant Description of Flavor Violation at the LHC

2010-02-03

arxiv.org/abs/1002.0778v2

Phys.Lett.B693:301-304,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 2 figures. Minor corrections; references and clarifications added. Matches published version

Scientific paper

10.1016/j.physletb.2010.08.064

A simple formalism to describe flavor and CP violation in a model independent way is provided. Our method is particularly useful to derive robust bounds on models with arbitrary mechanisms of alignment. Known constraints on flavor violation in the K and D systems are reproduced in a straightforward and covariant manner. Assumptions-free limits, based on top flavor violation at the LHC, are then obtained. In the absence of signal, with 100 fb^{-1} of data, the LHC will exclude weakly coupled (strongly coupled) new physics up to a scale of 0.6 TeV (7.6 TeV), while at present no general constraint can be set related to Delta t=1 processes. Delta F=2 contributions will be constrained via same-sign tops signal, with a model independent exclusion region of 0.08 TeV (1.0 TeV). However, in this case, stronger bounds are found from the study of CP violation in D-bar D mixing with a scale of 0.57 TeV (7.2 TeV). We also apply our analysis to supersymmetric and warped extra dimension models.

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