Table 5.

Systematic uncertainties (in $\text{MeV}$) in the measured mass differences and natural width. The ${\mathrm{B}}_{\mathrm{s}2}^{\ast }$ width is measured only in the ${\mathrm{B}}^{+}{\mathrm{K}}^{-}$ channel

Source	$\Delta M_{{\mathrm{B}}_{\mathrm{s}2}^{\ast }}^{\pm }$	$\Delta M_{{\mathrm{B}}_{\mathrm{s}1}}^{\pm }$	$\Delta M_{{\mathrm{B}}_{\mathrm{s}2}^{\ast }}^0$	$\Delta M_{{\mathrm{B}}_{\mathrm{s}1}}^0$	$M_{{\mathrm{B}}^0}-M_{{\mathrm{B}}^{+}}$	$M_{{\mathrm{B}}^{\ast 0}}-M_{{\mathrm{B}}^{\ast +}}$	${\Gamma }_{{\mathrm{B}}_{\mathrm{s}2}^{\ast }}$
$m_{{\mathrm{B}}^{+}{\pi }^{-}}$ distribution model	0.024	0.008	–	–	0.024	0.008	0.11
$m_{{\mathrm{B}}^{+}{\mathrm{K}}^{-}}$ distribution model	0.011	0.043	–	–	0.011	0.043	0.11
$m_{{\mathrm{B}}^0{\mathrm{K}}_{\mathrm{S}}^0}$ distribution model	–	–	0.039	0.038	0.039	0.038	–
Uncertainties in $M_{{\mathrm{B}}^{\ast }}^{\mathrm{PDG}}-M_{\mathrm{B}}^{\mathrm{PDG}}$	0.012	0.003	0.003	0.0001	0.012	0.003	0.03
Shift from reconstruction	0.056	0.044	0.050	0.042	0.075	0.061	–
Detector misalignment	0.036	0.005	0.031	0.006	0.038	0.008	0.15
Mass resolution	0.007	0.005	0.005	0.005	0.009	0.007	0.20
Total	0.073	0.063	0.071	0.057	0.098	0.085	0.30