journal article
oaidoi:10.1016/j.physletb.2012.08.036

Weakly-induced strong CP violation

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Publication date
19 September 2012
Publisher
Elsevier B.V.
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    Abstract

    AbstractWeak interaction contributions to the strong θ parameter are revisited in the frame of a large-Nc Chiral Perturbation Theory. Focusing on the hadronic η(′)→ππ amplitudes, we express these second-order corrections in terms of the CP-violating parameter in K→ππ decays to obtain Δwθ≈10−17 at O(GF2ε′)

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    Last time updated on 06/05/2017

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