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

CHARGED ONLY, PRODUCED IN ${{\mathit \tau}}$ LEPTON DECAYS

INSPIRE   PDGID:
M018W5
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