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Photon Distribution Amplitudes in nonlocal chiral quark model
Piotr Kotko, Michal Praszalowicz
Photon distribution amplitudes up to twist four are calculated within the nonlocal chiral quark model with a simple pole ansatz for momentum dependence of the constituent quark mas…
Soft Matrix Elements in Non-local Chiral Quark Model
Piotr Kotko
Using non-local chiral quark model and currents satisfying Ward-Takahashi identities we analyze Distribution Amplitudes (DA) of photon and pion-to-photon Transition Distribution Am…
Low-energy amplitudes in the non-local chiral quark model
Piotr Kotko
We apply chiral quark model with momentum dependent quark mass to two kinds of non-perturbative objects. These are: photon Distribution Amplitudes which we calculate up to twist-4…
Covariant Non-local Chiral Quark Model and Pion-photon Transition Distribution Amplitudes
P. Kotko, M. Praszalowicz
Using non-local chiral quark model with simple pole ansatz for mass dependence on momentum and non-local currents satisfying Ward-Takahashi identities, we calculate pion to photon…