The anomalous gamma -> pi^+ pi^0 pi^- form factor and the light-quark mass functions at low momenta
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The gamma -> 3 pi form factor was calculated in a simple-minded constituent model with a constant quark mass parameter, as well as in the Schwinger-Dyson approach. The comparison of these and various other theoretical results on this anomalous process, as well as the scarce already available data (hopefully to be supplemented by more accurate CEBAF data), seem to favor Schwinger-Dyson modeling which would yield relatively small low-momentum values of the constituent (dynamically dressed) quark mass function.
4 pages, 2 figures, sprocl, invited talk presented by D. Klabucar at the Mini-Workshop "Few-Quark Problems", Bled, Slovenia, July 8-15, 2000
4 pages, 2 figures, sprocl, invited talk presented by D. Klabucar at the Mini-Workshop "Few-Quark Problems", Bled, Slovenia, July 8-15, 2000
Citation
Consulte el texto completo en el siguiente enlace:
https://arxiv.org/abs/hep-ph/0012273
http://arxiv.org/abs/hep-ph/0012273
Bled Workshops in Physics, Vol. 1, No. 1, p. 41, proceedings of the Mini-Workshop "Few-Quark Problems", edited by M. Golli, M. Rosina and S. Sirca; published by DMFA - zaloznistvo, Ljubljana 2000, ISSN 1580-4992. Also available as electronic edition at http://www-f1.ijs.si/Bled2000/
http://arxiv.org/abs/hep-ph/0012273
Bled Workshops in Physics, Vol. 1, No. 1, p. 41, proceedings of the Mini-Workshop "Few-Quark Problems", edited by M. Golli, M. Rosina and S. Sirca; published by DMFA - zaloznistvo, Ljubljana 2000, ISSN 1580-4992. Also available as electronic edition at http://www-f1.ijs.si/Bled2000/