Table 2.

Fits to the combined SND data sets [84–87], for diagonal uncertainties and full covariance matrices. All errors refer to fit uncertainties only

	Diagonal	Full
${\chi }^2/\text{dof}$	116.9/100	151.3/100
	$=1.17$	$=1.51$
p value	0.12	$7\times {10}^{-4}$
$M_{\omega }(\text{MeV})$	$782.55(3)$	$782.58(3)$
${\mathrm{\Gamma }}_{\omega }(\text{MeV})$	$8.73(7)$	$8.68(6)$
$M_{\varphi }(\text{MeV})$	$1019.18(5)$	$1019.18(6)$
${\mathrm{\Gamma }}_{\varphi }(\text{MeV})$	$4.24(16)$	$4.27(17)$
$c_{\omega }({\text{GeV}}^{-1})$	$2.95(2)$	$2.95(3)$
$c_{\varphi }({\text{GeV}}^{-1})$	$-0.378(11)$	$-0.382(13)$
${10}^4\times \xi$	$3.5(1.3)$	$4.0(1.0)$
${10}^{11}\times a_{\mu }^{{\pi }^0\gamma }{|}_{\le 1.35\text{GeV}}$	$44.05(24)$	$44.14(57)$