English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Tools annual

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Presents the access of premium content as premium feature

Premium Content

Global: Zendy Plus annual

Global: Zendy Free Plan

We study the pion Distribution Amplitude (\pi DA) in the context of anonlocal chiral quark model. The corresponding Lagrangian reproduces thephenomenological values of the pion mass and decay constant, as well as themomentum dependence of the quark propagator obtained in lattice calculations.It is found that the obtained \pi DA has two symmetric maxima, which arise fromthe new contributions generated by the nonlocal character of the interactions.This \pi DA is applied to leading order and next-to-leading order calculationsof the pion-photon transition form factor. Implications of the results arediscussed.

The pion distribution amplitude and the pion-photon transition form factor in a nonlocal chiral quark model