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Phys Rev Lett
; 102(13): 132002, 2009 Apr 03.
Artículo
en Inglés
| MEDLINE
| ID: mdl-19392348
RESUMEN
We present a microscopic derivation of the form factors of strong-interaction piNN and piNDelta vertices within a relativistic constituent quark model. The results are compared with form factors from phenomenological meson-baryon models and recent lattice QCD calculations. We give an analytical representation of the vertex form factors suitable for applications in further studies of hadron reactions.
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