Electromagnetic, weak, and strong interactions of light mesons

Details Electromagnetic, weak, and strong interactions of light mesons Electromagnetic, weak, and strong interactions of light mesons

2001-12-08

arxiv.org/abs/nucl-th/0112022v1

PiN Newslett. 16 (2002) 213-218

Physics

Nuclear Physics

Nuclear Theory

6 pages, contribution to the proceedings of MENU2001, Washington DC, July 2001

Scientific paper

The ladder-rainbow truncation of the set of Dyson-Schwinger equations is used to study a variety of electroweak and strong processes involving light mesons. The parameters in the effective interaction are constrained by the chiral condensate and f_\pi; the current quark masses are fitted to m_\pi and m_K. The obtained electromagnetic form factors are in good agreement with the data. Also the weak K_{l3} decay and the radiative and strong decays of the vector mesons agree reasonably well with the data. Finally, we indicate how processes such as \pi-\pi scattering can be described within this framework as well.

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