Relativistic constituent quark model with infrared confinement

Details Relativistic constituent quark model with infrared confinement Relativistic constituent quark model with infrared confinement

2009-12-18

arxiv.org/abs/0912.3710v3

Phys.Rev.D81:034010,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 8 figures, accepted for publication in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.81.034010

We refine the relativistic constituent quark model developed in our previous papers to include the confinement of quarks. It is done, first, by introducing the scale integration in the space of alpha-parameters, and, second, by cutting this scale integration on the upper limit which corresponds to an infrared cutoff. In this manner one removes all possible thresholds presented in the initial quark diagram. The cutoff parameter is taken to be the same for all physical processes. We adjust other model parameters by fitting the calculated quantities of the basic physical processes to available experimental data. As an application, we calculate the electromagnetic form factors of the pion and the transition form factors of the omega and eta Dalitz decays.

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