Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-11-16
Phys.Lett.B683:278-281,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages, 1 figure
Scientific paper
10.1016/j.physletb.2009.12.047
We discuss how to construct genuine CP-odd observables at the LHC. We classify the observables according to the even and odd properties under the naive T-transformation (\hat{T}). There are two classes of observables of our interests: CP-odd and \hat{T}-even; CP-odd and \hat{T}-odd. We expect them to have broad applications to many processes in theories beyond Standard Model with CP violation. For the purpose of illustration, we use simple example of W+W- production and subsequent decays at the LHC, where the CP violation effects are parameterized by effective CP-violating operators of WWZ coupling. We find significant sensitivity to the CP-odd couplings.
Han Tao
Li Yingchuan
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