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Matching the Electroweak Penquins Q_7 and Q_8
Elvira Gamiz, Joaquim Prades, Johan Bijnens
We report on recent advances on the computation of the matrix elements of the electroweak penguins Q_7 and Q_8 which are relevant for the Delta I=3/2 contribution to epsilon'_K in…
Penguins 2002: Penguins in Decays
Johan Bijnens
This talk contains a short overview of the history of the interplay of the weak and the strong interaction and CP-violation. It describes the phenomenology and the basic physics me…
Exploring Light-Cone Sum Rules for Pion and Kaon Form Factors
Johan Bijnens, Alexander Khodjamirian
We analyze the higher-twist effects and the SU(3)-flavour symmetry breaking in the correlation functions used to calculate form factors of pseudoscalar mesons in the QCD light-cone…
Decays in Chiral Perturbation Theory
Johan Bijnens, Pierre Dhonte, Fredrik Persson
The CP conserving amplitudes for the decays are calculated in Chiral Perturbation Theory at the next-to-leading order. We present the expressions in a compact form with si…
QCD and Weak Interactions of Light Quarks
Johan Bijnens
This review contains an overview of strong interaction effects in weak decays starting with a historical introduction. It contains a short overview of semileptonic decays and their…
Pion and Kaon Electromagnetic Form Factors
Johan Bijnens, Pere Talavera
We study the electromagnetic form factor of the pion and kaons at low-energies with the use of Chiral Perturbation Theory. The analysis is performed within the three flavour framew…