S.I. Eidelman

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hep-ex2009

τlepton decays and CVC

V. A. Cherepanov, S. I. Eidelman

We use experimental data on $e^{+} e^{-} \to η (η^{'}) π^{+} π^{-}$ and conservation of vector current to estimate the branching fractions of $τ^{-}$ decay to $η (η^{'}) π^{-} π^{0} ν_{τ}$ . The…

hep-ex2006★ 16 cited

New precise determination of the τlepton mass at KEDR detector

KEDR collaboration, V. V. Anashin, V. M. Aulchenko +1

The status of the experiment on the precise $τ$ lepton mass measurement running at the VEPP-4M collider with the KEDR detector is reported. The mass value is evaluated from the $τ^…

hep-ex2006★ 139 cited

Measurement of the e+e- -> pi+pi- cross section with the CMD-2 detector in the 370-520 MeV c.m. energy range

R. R. Akhmetshin, V. M. Aulchenko, V. Sh. Banzarov +50

The cross section of the process e+e- -> pi+pi- has been measured at the CMD-2 detector in the 370-520 MeV center-of-mass (c.m.) energy range. A systematic uncertainty of the measu…