Table 1.

Summary of uncertainties for the yield ratio $N_{{\mathit{\eta }}_c(1S)}/N_{J/\mathit{\psi }}$

	Production in	Prompt production
	$b$-Hadron decays	$\sqrt{s}=7\mathrm{TeV}$	$\sqrt{s}=8\mathrm{TeV}$
Statistical uncertainty	0.039	0.21	0.21
Systematic uncertainties
Signal resolution ratio (simulation)	0.006	0.04	0.03
Signal resolution variation		0.01	0.01
$J/\mathit{\psi }$ polarization	0.009	0.02	0.02
${\mathrm{\Gamma }}_{{\mathit{\eta }}_c(1S)}$ variation		0.15	0.14
Prompt production spectrum	0.003	0.07	0.06
Cross-feed	0.008	0.01	0.01
Background model	0.011	0.09	0.09
Total systematic uncertainty	0.018	0.20	0.18