CERN Accélérateur de science

 
Precision measurement of the $B_{c}^{+}$ meson mass - Aaij, Roel et al - arXiv:2004.08163LHCb-PAPER-2020-003CERN-EP-2020-048
 
Distributions of invariant-mass $m$ for $B_{c}^{+}$ candidates selected in the studied decay channels, where data are shown as the points with error bars; the total fits are shown as solid blue curves; the signal component are red dotted curves; the background components purple dotted curves.
Distributions of invariant-mass $m$ for $B_{c}^{+}$ candidates selected in the studied decay channels, where data are shown as the points with error bars; the total fits are shown as solid blue curves; the signal component are red dotted curves; the background components purple dotted curves.
Distributions of invariant-mass $m$ for $B_{c}^{+}$ candidates selected in the studied decay channels, where data are shown as the points with error bars; the total fits are shown as solid blue curves; the signal component are red dotted curves; the background components purple dotted curves.
Distributions of invariant-mass $m$ for $B_{c}^{+}$ candidates selected in the studied decay channels, where data are shown as the points with error bars; the total fits are shown as solid blue curves; the signal component are red dotted curves; the background components purple dotted curves.
Distributions of invariant-mass $m$ for $B_{c}^{+}$ candidates selected in the studied decay channels, where data are shown as the points with error bars; the total fits are shown as solid blue curves; the signal component are red dotted curves; the background components purple dotted curves.
Distributions of invariant-mass $m$ for $B_{c}^{+}$ candidates selected in the studied decay channels, where data are shown as the points with error bars; the total fits are shown as solid blue curves; the signal component are red dotted curves; the background components purple dotted curves.
Distributions of invariant-mass $m$ for $B_{c}^{+}$ candidates selected in the studied decay channels, where data are shown as the points with error bars; the total fits are shown as solid blue curves; the signal component are red dotted curves; the background components purple dotted curves.
Distributions of invariant-mass $m$ for $B_{c}^{+}$ candidates selected in the studied decay channels, where data are shown as the points with error bars; the total fits are shown as solid blue curves; the signal component are red dotted curves; the background components purple dotted curves.
Distributions of mass difference $\Delta m$ for the $B_{c}^{+} \rightarrow B_{s}^{0} (D_{s}^{-} \pi^{+}) \pi^{+}$ and $B_{c}^{+} \rightarrow B_{s}^{0} (J\mskip -3mu/\mskip -2mu\psi\mskip 2mu \phi) \pi^{+}$ decay modes, where data are shown as the points with error bars; the total fits are shown as solid blue curves; the signal component are red dotted curves; the background components purple dotted curves.
Distributions of mass difference $\Delta m$ for the $B_{c}^{+} \rightarrow B_{s}^{0} (D_{s}^{-} \pi^{+}) \pi^{+}$ and $B_{c}^{+} \rightarrow B_{s}^{0} (J\mskip -3mu/\mskip -2mu\psi\mskip 2mu \phi) \pi^{+}$ decay modes, where data are shown as the points with error bars; the total fits are shown as solid blue curves; the signal component are red dotted curves; the background components purple dotted curves.
Individual $B_{c}^{+}$ mass measurements and their combination. The red (inner) cross-bars show the statistical uncertainties, and the blue (outer) cross-bars show the total uncertainties.
Individual mass difference measurements and their combination. The red (inner) cross-bars show the statistical uncertainties, and the blue (outer) cross-bars show the total uncertainties on the measurement.