${{\boldsymbol K}^{*}{(892)}}$ WIDTH

CHARGED ONLY, PRODUCED IN ${{\boldsymbol \tau}}$ LEPTON DECAYS INSPIRE search

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT
$46.2$ $\pm0.6$ $\pm1.2$ 53k 1
EPIFANOV
2007
BELL ${{\mathit \tau}^{-}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{-}}{{\mathit \nu}_{{\tau}}}$
• • • We do not use the following data for averages, fits, limits, etc. • • •
$46.5$ $\pm1.1$ 2
BOITO
2010
RVUE ${{\mathit \tau}^{-}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{-}}{{\mathit \nu}_{{\tau}}}$
$46.2$ $\pm0.4$ 3, 4
BOITO
2009
RVUE ${{\mathit \tau}^{-}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{-}}{{\mathit \nu}_{{\tau}}}$
$47.5$ $\pm0.4$ 5, 4
JAMIN
2008
RVUE ${{\mathit \tau}^{-}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{-}}{{\mathit \nu}_{{\tau}}}$
$55$ $\pm8$ 6
BARATE
1999R
ALEP ${{\mathit \tau}^{-}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{0}}{{\mathit \nu}_{{\tau}}}$
1  From a fit in the ${{\mathit K}_{{0}}^{*}{(700)}}$ + ${{\mathit K}^{*}{(892)}}$ + ${{\mathit K}^{*}{(1410)}}$ model.
2  From the pole position of the ${{\mathit K}}{{\mathit \pi}}$ vector form factor using EPIFANOV 2007 and constraints from ${{\mathit K}_{{l3}}}$ decays in ANTONELLI 2010 .
3  From the pole position of the ${{\mathit K}}{{\mathit \pi}}$ vector form factor in the complex $\mathit s$-plane and using EPIFANOV 2007 data.
4  Systematic uncertainties not estimated.
5  Reanalysis of EPIFANOV 2007 using resonance chiral theory.
6  With mass and width of the ${{\mathit K}^{*}{(1410)}}$ fixed at 1412 MeV and 227 MeV, respectively.
  References:
BOITO 2010
JHEP 1009 031 ${{\mathit K}}{{\mathit \pi}}$ Vector Form Factor Constrained by ${{\mathit \tau}}$ $\rightarrow$ ${{\mathit K}}{{\mathit \pi}}{{\mathit \nu}}{{\mathit \tau}}$ and ${{\mathit K}_{{{{\mathit \ell}}3}}}$ Decays
BOITO 2009
EPJ C59 821 ${{\mathit K}}{{\mathit \pi}}$ Vector Form Factor, Dispersive Constraints and ${{\mathit \tau}}$ $\rightarrow$ ${{\mathit \nu}_{{\tau}}}{{\mathit K}}{{\mathit \pi}}$ Decays
JAMIN 2008
PL B664 78 What Can be Learned from the Belle Spectrum for the Decay ${{\mathit \tau}^{-}}$ $\rightarrow$ ${{\mathit \nu}_{{\tau}}}{{\mathit K}_S^0}$ ${{\mathit \pi}^{-}}$
EPIFANOV 2007
PL B654 65 Study of ${{\mathit \tau}^{-}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{-}}{{\mathit \nu}_{{\tau}}}$ Decay at Belle
BARATE 1999R
EPJ C11 599 Study of ${{\mathit \tau}}$ Decays Involving Kaons, Spectral Functions and Determination of the Strange Quark Mass