#### ${{\boldsymbol \Xi}_{{b}}^{-}}$ MASS

VALUE (MeV) DOCUMENT ID TECN  COMMENT
 $\bf{ 5797.0 \pm0.6}$ OUR AVERAGE  Error includes scale factor of 1.7. See the ideogram below.
$5796.70$ $\pm0.39$ $\pm0.23$
 2019 AB
LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 and 13 TeV
$5797.72$ $\pm0.46$ $\pm0.31$ 1
 2014 BJ
LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV
$5793.4$ $\pm1.8$ $\pm0.7$ 2
 2014 B
CDF ${{\mathit p}}{{\overline{\mathit p}}}$ at 1.96 TeV
$5774$ $\pm11$ $\pm15$ 3
 2007 K
D0 ${{\mathit p}}{{\overline{\mathit p}}}$ at 1.96 TeV
• • We do not use the following data for averages, fits, limits, etc. • •
$5795.8$ $\pm0.9$ $\pm0.4$ 4
 2013 AV
LHCB Repl. by AAIJ 2019AB
$5796.7$ $\pm5.1$ $\pm1.4$ 5
 2011 X
CDF Repl. by AALTONEN 2014B
$5790.9$ $\pm2.6$ $\pm0.8$ 6
 2009 AP
CDF Repl. by AALTONEN 2014B
$5792.9$ $\pm2.5$ $\pm1.7$ 7
 2007 A
CDF Repl. by AALTONEN 2009AP
 1 Reconstructed in ${{\mathit \Xi}_{{b}}^{-}}$ $\rightarrow$ ${{\mathit \Xi}_{{c}}^{0}}{{\mathit \pi}^{-}}$ , ${{\mathit \Xi}_{{c}}^{0}}$ $\rightarrow$ ${{\mathit p}}{{\mathit K}^{-}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$ decays. Reference ${{\mathit \Lambda}_{{b}}^{0}}$ mass $5619.30$ $\pm0.34$ MeV from AAIJ 2014AA.
 2 Uses ${{\mathit \Xi}_{{b}}^{-}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \Xi}^{-}}$ and ${{\mathit \Xi}_{{c}}^{0}}{{\mathit \pi}^{-}}$ decays.
 3 Observed in ${{\mathit \Xi}_{{b}}^{-}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \Xi}^{-}}$ decays with $15.2$ $\pm4.4$ ${}^{+1.9}_{-0.4}$ candidates, a significance of 5.5 sigma.
 4 Measured in ${{\mathit \Xi}_{{b}}^{-}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \Xi}^{-}}$ decays.
 5 Measured in ${{\mathit \Xi}_{{b}}^{-}}$ $\rightarrow$ ${{\mathit \Xi}_{{c}}^{0}}{{\mathit \pi}^{-}}$ with $25.8$ ${}^{+5.5}_{-5.2}$ candidates.
 6 Measured in ${{\mathit \Xi}_{{b}}^{-}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \Xi}^{-}}$ decays with $66$ ${}^{+14}_{-9}$ candidates.
 7 Observed in ${{\mathit \Xi}_{{b}}^{-}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \Xi}^{-}}$ decays with $17.5$ $\pm4.3$ candidates, a significance of 7.7 sigma.

${{\mathit \Xi}_{{b}}^{-}}$ MASS (MeV)
References:
 AAIJ 2019AB
PR D99 052006 Measurement of the mass and production rate of $\Xi_b^-$ baryons
 AAIJ 2014BJ
PRL 113 242002 Precision Measurement of the Mass and Lifetime of the ${{\mathit \Xi}_{{b}}^{-}}$ Baryon
 AALTONEN 2014B
PR D89 072014 Mass and Lifetime Measurements of Bottom and Charm Baryons in ${{\mathit p}}{{\overline{\mathit p}}}$ Collisions at $\sqrt {s }$ = 1.96 TeV
 AAIJ 2013AV
PRL 110 182001 Measurement of the ${{\mathit \Lambda}_{{b}}^{0}}$, ${{\mathit \Xi}_{{b}}^{-}}$ and ${{\mathit \Omega}_{{b}}^{-}}$ Baryon Masses
 AALTONEN 2011X
PRL 107 102001 Observation of the ${{\mathit \Xi}_{{b}}^{0}}$ Baryon
 AALTONEN 2009AP
PR D80 072003 Observation of the ${{\mathit \Omega}_{{b}}^{-}}$ Baryon and Measurement of the Properties of the ${{\mathit \Xi}_{{b}}^{-}}$ and ${{\mathit \Omega}_{{b}}^{-}}$ Baryons
 AALTONEN 2007A
PRL 99 052002 Observation and Mass Measurement of the Baryon ${{\mathit \Xi}_{{b}}^{-}}$
 ABAZOV 2007K
PRL 99 052001 Direct Observation of the Strange ${\mathit {\mathit b}}$ Baryon ${{\mathit \Xi}_{{b}}^{-}}$