Improving the Hadronization of QCD currents in TAUOLA and PHOKHARA

Details Improving the Hadronization of QCD currents in TAUOLA and PHOKHARA Improving the Hadronization of QCD currents in TAUOLA and PHOKHARA

2008-10-13

arxiv.org/abs/0810.2187v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 1 figure. To appear in the Proceedings of QCD 08: 14th International QCD Conference, 7-12th July 2008 Montpellier (Fr

Scientific paper

10.1016/j.nuclphysbps.2008.12.03

We present our study of the hadronization structure of both vector and axial-vector currents leading to decays of the tau into two kaons and a pion. The cornerstones of our framework are the large-N_C limit of QCD, the chiral structure exhibited at low energies and the proper asymptotic behaviour, ruled by QCD, that is demanded to the associated form factors. The couplings of the theory are mostly constrained by this procedure and upon the analysis of BaBar data on e^+e^- -> KK pi we are able to predict the hadronic spectra.

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