240 citations · 2.2k across the 78 of their papers we have counts for
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hep-th2012★ 49 cited
Recursion Relations for Tree-level Amplitudes in the SU(N) Non-linear Sigma Model
Karol Kampf, Jiri Novotny, Jaroslav Trnka
It is well-known that the standard BCFW construction cannot be used for on-shell amplitudes in effective field theories due to bad behavior for large shifts. We show how to solve t…
hep-ph2012★ 3 cited
ChPT calculations of pion formfactors
Karol Kampf
An overview on chiral perturbation theory calculations of form factors is presented. The main focus is given on the form factors related to the lightest meson, pion, namely: pion d…
hep-ph2012★ 28 cited
Leading logarithms in the anomalous sector of two-flavour QCD
Johan Bijnens, Karol Kampf, Stefan Lanz
We add the Wess-Zumino-Witten term to the N=3 massive nonlinear sigma model and study the leading logarithms in the anomalous sector. We obtain the leading logarithms to six loops…