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- Title
A REMARK ON VECTOR MESON DOMINANCE, UNIVERSALITY AND THE PION FORM FACTOR.
- Authors
Zerwekh, Alfonso R.
- Abstract
In this paper, we address the universality problem in the mass-mixing representation of vector meson dominance. First, we stress the importance of using physical (mass eigenstate) fields in order to get the correct q² dependence of the pion form factor. Then we show that, when a direct coupling of the (proto-)photon to the pions is included, it is not necessary to invoke universality. Our method is similar to the delocalization idea in some deconstruction theories.
- Subjects
VECTOR mesons; FORM factor (Nuclear physics); PHOTONS; PIONS; PARTICLES (Nuclear physics)
- Publication
Acta Physica Polonica B, 2007, Vol 38, Issue 6, p2077
- ISSN
0587-4254
- Publication type
Article