Table 4.

Relative systematic uncertainties in percent in the ratios $R_{2\ast }^{\pm }$, $R_{2\ast }^0$, $R_{\sigma }^{\pm }$, and $R_{\sigma }^0$

Source	$R_{2\ast }^{\pm }$	$R_{2\ast }^0$	$R_{\sigma }^{\pm }$	$R_{\sigma }^0$
$m_{{\mathrm{B}}^{+}{\pi }^{-}}$ distribution model	2.9	–	2.7	–
$m_{{\mathrm{B}}^{+}{\mathrm{K}}^{-}}$ distribution model	17	–	7.1	–
$m_{{\mathrm{B}}^0{\mathrm{K}}_{\mathrm{S}}^0}$ distribution model	–	13	–	24
Mass resolution	1.2	3.0	1.5	1.1
Uncertainties in $M_{{\mathrm{B}}^{\ast }}^{\mathrm{PDG}}-M_{\mathrm{B}}^{\mathrm{PDG}}$	7.7	4.8	–	–
Finite size of simulated samples	1.1	1.3	1.1	1.3
Total	19	15	7.8	24