Phenomenological analysis of epsilon'/epsilon within an effective chiral lagrangian approach at O(p^6)

Details Phenomenological analysis of epsilon'/epsilon within an effective chiral lagrangian approach at O(p^6) Phenomenological analysis of epsilon'/epsilon within an effective chiral lagrangian approach at O(p^6)

1999-07-13

arxiv.org/abs/hep-ph/9907335v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

35 pages, 17 Postscript figures, uses epsf.sty; Discussion of paper by S.Bertolini and M.Fabbrichesi was added into conclusion

Scientific paper

We have combined a new systematic calculation of mesonic matrix elements at O(p^6) from an effective chiral lagrangian approach with Wilson coefficients taken from paper by G.Buchalla et al. Rev.Mod.Phys. 68 (1996) 1125, derived in the framework of perturbative QCD, and restricted partly by experimental data. We derive complete expressions for K-->2pi amplitudes and compare the results for epsilon'/epsilon with experiment.

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