$\bf{
20\text{ to }100 }$
|
OUR ESTIMATE
|
$\bf{
44 \pm9}$
|
OUR AVERAGE
Error includes scale factor of 3.3.
|
$28.2$ $\pm3.9$ $\pm1.6$ |
|
1 |
|
BES3 |
$77.0$ $\pm6.8$ $\pm6.3$ |
|
|
|
BES3 |
$115$ ${}^{+38}_{-26}$ $\pm12$ |
|
2 |
|
BES3 |
$44.1$ $\pm4.3$ $\pm2.0$ |
|
3 |
|
BES3 |
$66.0$ ${}^{+12.3}_{-8.3}$ $\pm0.4$ |
|
|
|
BES3 |
$80.1$ $\pm24.6$ $\pm2.9$ |
|
4 |
|
BES3 |
• • • We do not use the following data for averages, fits, limits, etc. • • • |
$38$ $\pm12$ $\pm2$ |
180 |
5 |
|
BES3 |
1
From a fit of the measured cross section from $\sqrt {s }$ = $4.178 - 4.278$ GeV. Supersedes ABLIKIM 2015C.
|
2
Simultaneous fit to ${{\mathit \chi}_{{c1}}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit J / \psi}}$ and ${{\mathit \chi}_{{c1}}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ .
|
3
From a three-resonance fit.
|
4
From a fit to the cross section for ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \psi}{(2S)}}$ $\rightarrow$ 2 ( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ obtained from 16 center-of-mass energies between 4.008 and 4.600 GeV and comprising 5.1 fb${}^{-1}$.
|
5
From a 3-parameter fit of measured cross sections from $\sqrt {s }$ = $4.21 - 4.42$ GeV to a phase-space modified Breit-Wigner function, using the decays ${{\mathit \chi}_{{c0}}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ , ${{\mathit \chi}_{{c0}}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}$ , and ${{\mathit \omega}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ .
|