The asymptotic behavior of the pi^0 gamma^* gamma transition
Dubravko Klabucar, Dalibor Kekez
TL;DR
This paper investigates how different models of the dressed quark-photon vertex affect the high-energy behavior of the pi^0 gamma^* gamma transition form factor, providing insights into the underlying QCD dynamics.
Contribution
It analyzes the impact of various vertex Ansätze on the asymptotic behavior of the transition form factor, highlighting their influence on QCD predictions.
Findings
Different vertex models lead to distinct asymptotic behaviors.
Certain Ansätze align better with QCD expectations.
The study clarifies the role of the dressed quark-photon vertex in transition form factors.
Abstract
It is discussed how various Ans"atze for the dressed quark-photon (qq gamma) vertices Gamma^mu(q,q') influence the asymptotics of the gamma^* gamma -> pi^0 transition form factor.
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Taxonomy
TopicsBayesian Methods and Mixture Models · Mathematical functions and polynomials · Quantum Chromodynamics and Particle Interactions