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| — | preprints:2009:ttp09-12 [2016/03/17 11:03] (current) – created - external edit 127.0.0.1 |
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| | ====== TTP09-12 Four-pion production in tau decays and e+e- annihilation: an update ====== |
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| | <hidden TTP09-12 Four-pion production in tau decays and e+e- annihilation: an update > An improved description of four-pion production in electron-positron annihilation and in tau lepton decays is presented. The model amplitude is fitted to recent data from BaBar which cover a wide energy range and which were obtained exploiting the radiative return. Predicting tau decay distributions from e+e- data and comparing these predictions with ALEPH and CLEO results, the validity of isospin symmetry is confirmed within the present experimental errors. A good description of two- and three-pion sub-distributions is obtained. Special emphasis is put on the predictions for omega pi (-> pi+pi-pi0) in e+e- annihilation and in tau decay. The model amplitude is implemented in the Monte Carlo generator PHOKHARA. |
| | </hidden> |
| | |**Henryk Czyz, Johann H. Kuhn, Agnieszka Wapienik** | |
| | |** Phys.Rev. D77 114005 2008 ** | |
| | | {{preprints:2009:ttp09-12.pdf|PDF}} {{preprints:2009:ttp09-12.ps|PostScript}} [[http://arxiv.org/abs/0804.0359|arXiv]] | |
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