#### ${{\mathit B}_{{s}}^{0}}$ MEAN LIFE (Flavor specific)

VALUE ($10^{-12}$ s) DOCUMENT ID TECN  COMMENT
 $\bf{ 1.527 \pm0.011}$ OUR EVALUATION See the ideogram below.
 $\bf{ 1.526 \pm0.015}$ OUR AVERAGE  Error includes scale factor of 1.3. See the ideogram below.
$1.547$ $\pm0.013$ $\pm0.011$ 1
 2017 AN
LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV
$1.479$ $\pm0.010$ $\pm0.021$ 2
 2015 A
D0 ${{\mathit p}}{{\overline{\mathit p}}}$ at 1.96 TeV
$1.535$ $\pm0.015$ $\pm0.014$ 3
 2014 AX
LHCB ${{\mathit p}}{{\mathit p}}$ at 7 TeV
$1.52$ $\pm0.15$ $\pm0.01$ 4
 2014 F
LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV
$1.60$ $\pm0.06$ $\pm0.01$ 5
 2014 R
LHCB ${{\mathit p}}{{\mathit p}}$ at 7 TeV
$1.518$ $\pm0.041$ $\pm0.027$ 6
 2011 AP
CDF ${{\mathit p}}{{\overline{\mathit p}}}$ at 1.96 TeV
$1.42$ ${}^{+0.14}_{-0.13}$ $\pm0.03$ 7
 2000 Y
DLPH ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit Z}}$
$1.36$ $\pm0.09$ ${}^{+0.06}_{-0.05}$ 8
 1999 D
CDF ${{\mathit p}}{{\overline{\mathit p}}}$ at $1.8$ TeV
$1.50$ ${}^{+0.16}_{-0.15}$ $\pm0.04$ 8
 1998 G
OPAL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit Z}}$
$1.54$ ${}^{+0.14}_{-0.13}$ $\pm0.04$ 8
 1996 M
ALEP ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit Z}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$1.398$ $\pm0.044$ ${}^{+0.028}_{-0.025}$ 9
 2006 V
D0 Repl. by ABAZOV 2015A
 1 AAIJ 2017AN value was measured using ${{\mathit B}_{{s}}^{0}}$ $\rightarrow$ ${{\mathit D}_{{s}}^{(*)-}}{{\mathit \mu}^{+}}{{\mathit \nu}_{{\mu}}}$ decays relative to ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit D}^{(*)-}}{{\mathit \mu}^{+}}{{\mathit \nu}_{{\mu}}}$ decays.
 2 Measured using ${{\mathit B}_{{s}}^{0}}$ $\rightarrow$ ${{\mathit D}_{{s}}^{-}}{{\mathit \mu}^{+}}{{\mathit \nu}_{{\mu}}}{{\mathit X}}$ decays.
 3 Measured using the ${{\mathit B}_{{s}}^{0}}$ $\rightarrow$ ${{\mathit D}_{{s}}^{-}}{{\mathit \pi}^{+}}$ decays.
 4 Measured using ${{\mathit B}_{{s}}^{0}}$ $\rightarrow$ ${{\mathit D}^{+}}{{\mathit D}_{{s}}^{-}}$ .
 5 Measured using ${{\mathit B}_{{s}}^{0}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit K}^{-}}$ decays.
 6 AALTONEN 2011AP combines the fully reconstrcuted ${{\mathit B}_{{s}}^{0}}$ $\rightarrow$ ${{\mathit D}_{{s}}^{-}}{{\mathit \pi}^{+}}$ decays and partially reconstructed ${{\mathit B}_{{s}}^{0}}$ $\rightarrow$ ${{\mathit D}_{{s}}}{{\mathit X}}$ decays.
 7 Uses ${{\mathit D}_{{s}}^{-}}{{\mathit \ell}^{+}}$ , and ${{\mathit \phi}}{{\mathit \ell}^{+}}$ vertices.
 8 Measured using ${{\mathit D}_{{s}}^{-}}{{\mathit \ell}^{+}}$ vertices.
 9 Measured using ${{\mathit D}_{{s}}^{-}}{{\mathit \mu}^{+}}$ vertices.

${{\mathit B}_{{s}}^{0}}$ MEAN LIFE (Flavor specific) ($10^{-12}$ s)
References:
 AAIJ 2017AN
PRL 119 101801 Measurement of ${{\mathit B}_{{s}}^{0}}$ and ${{\mathit D}_{{s}}^{-}}$ Meson Lifetimes
 ABAZOV 2015A
PRL 114 062001 Measurement of the ${{\mathit B}_{{s}}^{0}}$ Lifetime in the Flavor-Specific Decay Channel ${{\mathit B}_{{s}}^{0}}$ $\rightarrow$ ${{\mathit D}_{{s}}^{-}}{{\mathit \mu}^{+}}{{\mathit \nu}}{{\mathit X}}$
 AAIJ 2014F
PRL 112 111802 Measurement of the ${{\overline{\mathit B}}_{{s}}^{0}}$ $\rightarrow$ ${{\mathit D}_{{s}}^{-}}{{\mathit D}_{{s}}^{+}}$ and ${{\overline{\mathit B}}_{{s}}^{0}}$ $\rightarrow$ ${{\mathit D}^{-}}{{\mathit D}_{{s}}^{+}}$ Effective Lifetimes
 AAIJ 2014AX
PRL 113 172001 Measurement of the ${{\overline{\mathit B}}_{{s}}^{0}}$ Meson Lifetime in ${{\mathit D}_{{s}}^{+}}{{\mathit \pi}^{-}}$ Decays
 AAIJ 2014R
PL B736 446 Effective Lifetime Measurements in the ${{\mathit B}_{{s}}^{0}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}$ , ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit \pi}^{-}}$ and ${{\mathit B}_{{s}}^{0}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit K}^{-}}$ Decays
 AALTONEN 2011AP
PRL 107 272001 Measurement of the ${{\mathit B}_{{s}}^{0}}$ Lifetime in Fully and Partially Reconstructed ${{\mathit B}_{{s}}^{0}}$ $\rightarrow$ ${{\mathit D}_{{s}}^{-}}$( ${{\mathit \phi}}{{\mathit \pi}^{-}}$) ${{\mathit X}}$ Decays in ${{\overline{\mathit p}}}{{\mathit p}}$ Collisions at $\sqrt {s }$ = 1.96 TeV
 ABAZOV 2006V
PRL 97 241801 Measurement of the ${{\mathit B}_{{s}}^{0}}$ Lifetime Using Semileptonic Decays
 ABREU 2000Y
EPJ C16 555 Measurement of the ${{\mathit B}_{{s}}^{0}}$ Lifetime and Study of ${{\mathit B}_{{s}}^{0}}$ $\rightarrow$ ${{\overline{\mathit B}}_{{s}}^{0}}$ Oscillations using ${{\mathit D}_{{s}}}$ ${{\mathit \ell}}$ Events
 ABE 1999D
PR D59 032004 Measurement of the ${{\mathit B}_{{s}}^{0}}$ Meson Lifetime using Semileptonic Decays
 ACKERSTAFF 1998G
PL B426 161 Measurements of the ${{\mathit B}_{{s}}}$ and ${{\mathit \Lambda}_{{b}}}$ Lifetimes
 BUSKULIC 1996M
PL B377 205 Study of the ${{\mathit B}_{{s}}}$ ${{\overline{\mathit B}}_{{s}}}$ Oscillation Frequency using ${{\mathit D}_{{s}}^{-}}$ ${{\mathit \ell}^{+}}$ Combinations in ${{\mathit Z}}$ Decays