Model-dependent radiative corrections to tau- -> pi- pi0 nu revisited

Details Model-dependent radiative corrections to tau- -> pi- pi0 nu revisited Model-dependent radiative corrections to tau- -> pi- pi0 nu revisited

2006-11-16

arxiv.org/abs/hep-ph/0611226v1

Nucl.Phys.Proc.Suppl.169:250-254,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 4 figures, talk given by GLC at the 9th International Workshop on Tau Lepton Physics, Pisa (Italy), september 2006

Scientific paper

10.1016/j.nuclphysbps.2007.03.01

The long-distance electromagnetic radiative corrections to tau- -> pi- pi0 nu are re-evaluated. A meson dominance model is used to describe the emission of real photons in this decay. Results obtained for the hadronic spectrum and the decay rate in photon inclusive reactions are compared with previous calculations based on the chiral resonance theory. Independent tests in tau -> pi pi nu gamma that can help to validate the predictions of one of the two models are briefly discussed.

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