Freezing of the QCD coupling constant and the pion form factor

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Data

2003-01-01

Autores

Aguilar, A. C.
Mihara, A.
Natale, A. A.

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World Scientific Publ Co Pte Ltd

Resumo

The possibility that the QCD coupling constant (alpha(s)) has an infrared finite behavior (freezing) has been extensively studied in recent years. We compare phenomenological values of the frozen QCD running coupling between different classes of solutions obtained through non-perturbative Schwinger-Dyson Equations. With these solutions were computed QCD predictions for the asymptotic pion form factor which, in turn, were compared with experiment.

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Hadron Physics 2002. Singapore: World Scientific Publ Co Pte Ltd, p. 207-210, 2003.