On a possible estimation of the constituent--quark parameters from Jefferson Lab experiments on pion form factor

Details On a possible estimation of the constituent--quark parameters from Jefferson Lab experiments on pion form factor On a possible estimation of the constituent--quark parameters from Jefferson Lab experiments on pion form factor

1998-11-13

arxiv.org/abs/hep-ph/9811318v1

Eur.Phys.J.C20:71-76,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, RevTeX, 1 ps figure

Scientific paper

10.1007/s100520100642

The charge form factor of the pion is calculated for momentum transfer range of Jefferson Lab experiments. The approach is based on the instant form of the relativistic Hamiltonian dynamics. It is shown that the form-factor dependence on the choice of the model for quark wave function in pion is weak, while the dependence on the constituent--quark mass is rather significant. It is possible to estimate the mass of constituent quark and the sum of anomalous magnetic moments of $u$- and $\bar d$- quarks from the JLab experiments.

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