Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-03-08
Phys.Lett. B456 (1999) 240-247
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pp, plain LaTeX, uses epsf
Scientific paper
10.1016/S0370-2693(99)00465-7
We calculate the form factors of the baryon octet in the framework of heavy baryon chiral perturbation theory. The calculated charge radius of the $\Sigma^-$ is in agreement with recent measurements from CERN and Fermilab. We show that kaon loop effects can play a significant role in the neutron electric form factor. Furthermore. we derive generalized Caldi-Pagels relations between various charge radii which are free of chiral loop effects.
Hemmert Thomas R.
Kubis Bastian
Meißner Ulf-G.
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