Status of Strong ChPT

Details Status of Strong ChPT Status of Strong ChPT

2009-04-23

arxiv.org/abs/0904.3713v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages

Scientific paper

The present status of Chiral Perturbation Theory (ChPT) in the strong mesonic sector is discussed. A very short introduction to ChPT is followed by an overview of existing two-loop calculations and the determination of the Low-Energy-Constants (LECs). I discuss the case of $\eta\to\pi\pi\pi$ decays in somewhat more detail and finish by mentioning some recent work on partially quenched ChPT and on the renormalization group in ChPT.

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