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Spectral functions from hadronic tau decays and QCD
Hadronic decays of the $\tau$ lepton provide a clean environment to study hadron dynamics in an energy regime dominated by resonances. The interesting information is captured in the spectral functions. Recent results from ALEPH on exclusive channels are presented, with emphasis on the $\pi \piz$ fin...
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| Lenguaje: | eng |
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2003
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| Acceso en línea: | https://dx.doi.org/10.1016/j.nuclphysbps.2004.02.017 http://cds.cern.ch/record/704243 |