${{\mathit K}_{{{1}}}{(1400)}}$ WIDTH

INSPIRE   PDGID:
M064W
VALUE (MeV) EVTS DOCUMENT ID TECN CHG  COMMENT
$\bf{ 174 \pm13}$ OUR AVERAGE  Error includes scale factor of 1.6.  See the ideogram below.
$300$ ${}^{+370}_{-110}$ $\pm140$ 7k
ASNER
2000B
 CLEO $\pm{}$ ${{\mathit \tau}^{-}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \nu}_{{{\tau}}}}$
$188$ $\pm54$ $\pm60$ 1
ASTON
1987
LASS 0 11 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit K}}^{0}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit n}}$
$276$ $\pm65$
BAUBILLIER
1982B
 HBC 0 8.25 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit n}}$
$195$ $\pm25$
DAUM
1981C
 CNTR - 63 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}$2 ${{\mathit \pi}}{{\mathit p}}$
$180$ $\pm10$
ETKIN
1980
MPS 0 6 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit K}}^{0}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit n}}$
$142$ $\pm16$ 2
CARNEGIE
1977
ASPK $\pm{}$ 13 ${{\mathit K}^{\pm}}$ ${{\mathit p}}$ $\rightarrow$ ( ${{\mathit K}}{{\mathit \pi}}{{\mathit \pi}}$) ${}^{+-}$ ${{\mathit p}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$152$ $\pm16$ 25k 3
ABLIKIM
2006C
 BES2 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\overline{\mathit K}}^{*}{(892)}^{0}}{{\mathit K}^{+}}{{\mathit \pi}^{-}}$
$\sim$$200$
VERGEEST
1979
HBC - 4.2 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ( ${{\overline{\mathit K}}}{{\mathit \pi}}{{\mathit \pi}}$) ${}^{-}$ ${{\mathit p}}$
$\sim$$160$
BRANDENBURG
1976
ASPK $\pm{}$ 13 ${{\mathit K}^{\pm}}$ ${{\mathit p}}$ $\rightarrow$ ( ${{\mathit K}}{{\mathit \pi}}{{\mathit \pi}}$) ${}^{+-}$ ${{\mathit p}}$
$80$
DAVIS
1972
HBC + 12 ${{\mathit K}^{+}}{{\mathit p}}$
$241$ $\pm30$
FIRESTONE
1972B
 DBC + 12 ${{\mathit K}^{+}}{{\mathit d}}$
1  From partial-wave analysis of ${{\mathit K}^{0}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ system.
2  From a model-dependent fit with Gaussian background to BRANDENBURG 1976 data.
3  Systematic errors not estimated.

           ${{\mathit K}_{{{1}}}{(1400)}}$ width (MeV)
References