Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-07-31
Physics
High Energy Physics
High Energy Physics - Phenomenology
20 pages, 11 figures
Scientific paper
Constituent quark models, while successful, require a great deal of fine tuning of the short distance interactions by introducing phenomenological gluonic form factors which are ultimately designed to accurately reproduce the spectrum. We apply and develop renormalization ideas to reduce the short distance sensitivity and show that, as naively expected, but not explicitly implemented in the models, the physics of binding is entirely linked to the string tension whereas leptonic decays depend more on the gluon exchange potential. We also show how the spectrum of S- and D- $1^{--}$ states is successfully intertwined through the singular tensor interaction.
Arriola Enrique Ruiz
Entem D. R.
Fernandez Francisco
Segovia J.
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