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Report of the Working Group on Goldstone Bosons
Johan Bijnens, Ada Farilla, Rory Miskimen
An overview is presented of the talks in the working group on Goldstone Bosons. Topics touched on are CP-violation in the Kaon system, rare Kaon decays, -scattering, -meson…
at two-loops and CHPT predictions for -scattering
Gabriel Amoros, Johan Bijnens, Pere Talavera
We present the results from our two-loop calculations of masses, decay-constants, vacuum-expectation-values and the form-factors in three-flavour Chiral Perturbation Th…
Weak Interactions of Light Flavours
Johan Bijnens
An overview is given of weak interaction physics of the light flavours. It starts with the definition of the CKM matrix and the measurement of its components in the light-flavour s…
Chiral Limit Prediction for epsilon'/epsilon at NLO in 1/N_c
Johan Bijnens, Joaquim Prades
We report on a calculation of at next-to-leading in the expansion and to lowest order in Chiral Perturbation Theory. We discuss the short-distance matching, the…
epsilon'/epsilon at next-to-leading in 1/N_c and to lowest order CHPT
Johan Bijnens, Joaquim Prades
We report on a calculation of epsilon'/epsilon at next-to-leading in the 1/N_c expansion and to lowest order in Chiral Perturbation Theory. We also discuss the chiral corrections t…
Epsilon'/Epsilon in the Chiral Limit using Large N_c
Johan Bijnens, Joaquim Prades
The K to pi pi system is analyzed in the chiral limit and at NLO in 1/N_c. The Delta I = 1/2 rule is reproduced and we obtain a large value for epsilon' / epsilon.