${{\boldsymbol \rho}{(1450)}}$ WIDTH

${{\boldsymbol \rho}{(1450)}}$ WIDTH INSPIRE search

VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ 400 \pm60}$ OUR ESTIMATE  This is only an educated guess; the error given is larger than the error on the average of the published values.
• • • We do not use the following data for averages, fits, limits, etc. • • •
$480$ $\pm180$ 1
ACHASOV
2010D
SND $1.075 - 2.0$ ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \gamma}}$
1  From a fit of a VMD model with two effective resonances with masses of 1450 MeV and 1700 MeV to describe the excited vector states ${{\mathit \omega}{(1420)}}$, ${{\mathit \rho}{(1450)}}$, ${{\mathit \omega}{(1650)}}$, and ${{\mathit \rho}{(1700)}}$. Systematic errors not evaluated.
  References:
ACHASOV 2010D
PR D98 112001 Measurement of the $e^+e^- \to \pi^0\gamma$ cross section in the energy range 1.075-2 GeV at SND