Ambiguities in the calculation of leptonic decays of excited heavy quarkonium

Details Ambiguities in the calculation of leptonic decays of excited heavy quarkonium Ambiguities in the calculation of leptonic decays of excited heavy quarkonium

2005-07-15

arxiv.org/abs/hep-ph/0507184v1

AIP Conf.Proc. 775 (2005) 11

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented at HADRONIC PHYSICS (HLPR 2004): Joint Meeting-Heidelberg-Liege-Paris-Rostock, Spa, Belgium, 16-18 December 2004, 11

Scientific paper

10.1063/1.1961038

We point out that the determination of the leptonic decay width of
radially-excited quarkonia is strongly dependent on the position of the node
typical of these excitations. We suggest that this feature could be related
with the longstanding rho-pi puzzle.

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