Pion Observables and QCD

Details Pion Observables and QCD Pion Observables and QCD

1994-08-25

arxiv.org/abs/hep-ph/9408374v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Summary of a presentation at the workshop ``Chiral Dynamics: Theory and Experiment'', Cambridge MA 25-29 July, 1994. 10 Pages.

Scientific paper

10.1007/3-540-59279-2_66

The nonperturbative, Dyson-Schwinger equation approach to solving QCD provides a straightforward, microscopic description of dynamical chiral symmetry breaking and confinement. It is an ideal tool for the study of pion observables. This is illustrated via its application to the calculation of: the $\pi$-$\pi$ scattering lengths $a_0^0$, $a_0^2$, $a_1^1$, $a_2^0$, $a_2^2$ and associated partial wave amplitudes; the $\pi^0\rightarrow \gamma\gamma$ decay width; and the charged pion form factor, $F_\pi(q^2)$.

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