Vector meson dominance pion electromagnetic form factor with σ-model loop corrections
نویسندگان
چکیده
منابع مشابه
Vector meson dominance pion electromagnetic form factor with the σ−model loop corrections
A model is developed for electromagnetic form factor of the pion. One-loop corrections are included in the linear σ−model. The ρ−meson contribution is added in an extended VMD model. The form factor, calculated without fitting parameters, is in a good agreement with experiment for space-like and time-like photon momenta. Loop corrections to the two-pion hadronic contribution a (had,π) μ to the ...
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Germany bSchool of Physics and Astronomy, University of Southampton, Southampton, SO17 1BJ, UK cInstitut für Theoretische Physik, Universität Regensburg, 93040 Regensburg, Germany dSchool of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, UK eJohn von Neumann-Institut für Computing NIC / DESY, 15738 Zeuthen, Germany f Theoretical Physics Division, Department of Mathematical S...
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ژورنال
عنوان ژورنال: Journal of Experimental and Theoretical Physics
سال: 2004
ISSN: 1063-7761,1090-6509
DOI: 10.1134/1.1800179