${{\boldsymbol \Sigma}_{{b}}}$ MASS

${\boldsymbol m}_{{{\boldsymbol \Sigma}_{{b}}^{+}}}–{\boldsymbol m}_{{{\boldsymbol \Sigma}_{{b}}^{-}}}$ INSPIRE search

VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ -5.06 \pm0.18}$ OUR AVERAGE
$-5.09$ $\pm0.18$ $\pm0.01$ 1
AAIJ
2019A
LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV
$-4.2$ ${}^{+1.1}_{-1.0}$ $\pm0.1$ 2
AALTONEN
2012F
CDF ${{\mathit p}}{{\overline{\mathit p}}}$ at 1.96 TeV
1  Measured using fully reconstructed ${{\mathit \Lambda}_{{b}}^{0}}$ $\rightarrow$ ${{\mathit \Lambda}_{{c}}^{+}}{{\mathit \pi}^{-}}$ and ${{\mathit \Lambda}_{{c}}^{+}}$ $\rightarrow$ ${{\mathit p}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$ decays.
2  Measured using fully reconstructed ${{\mathit \Lambda}_{{b}}^{0}}$ $\rightarrow$ ${{\mathit \Lambda}_{{c}}^{+}}{{\mathit \pi}^{-}}$ and ${{\mathit \Lambda}_{{c}}^{+}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}$ decays.
  References:
AAIJ 2019A
PRL 122 012001 Observation of two resonances in the $\Lambda_b^0 \pi^\pm$ systems and precise measurement of $\Sigma_b^\pm$ and $\Sigma_b^{*\pm}$ properties
AALTONEN 2012F
PR D85 092011 Measurement of the Masses and Widths of the Bottom Baryons ${{\mathit \Sigma}_{{b}}^{\pm}}$ and ${{\mathit \Sigma}_{{b}}^{*\pm}}$