pdgLive Home   >   BOTTOM, STRANGE MESONS ($\mathit B$ = $\pm1$, $\mathit S$ = $\mp{}$1)   >   ${{\mathit B}_{{s}}^{0}}$   >   ${{\mathit B}_{{s}}^{0}}$ MEAN LIFE (Flavor specific)

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

INSPIRE   PDGID:

S086TFS

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 AAIJ 2017 AN LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV $1.479$ $\pm0.010$ $\pm0.021$ 2 ABAZOV 2015 A D0 ${{\mathit p}}{{\overline{\mathit p}}}$ at 1.96 TeV $1.535$ $\pm0.015$ $\pm0.014$ 3 AAIJ 2014 AX LHCB ${{\mathit p}}{{\mathit p}}$ at 7 TeV $1.52$ $\pm0.15$ $\pm0.01$ 4 AAIJ 2014 F LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV $1.60$ $\pm0.06$ $\pm0.01$ 5 AAIJ 2014 R LHCB ${{\mathit p}}{{\mathit p}}$ at 7 TeV $1.518$ $\pm0.041$ $\pm0.027$ 6 AALTONEN 2011 AP CDF ${{\mathit p}}{{\overline{\mathit p}}}$ at 1.96 TeV $1.42$ ${}^{+0.14}_{-0.13}$ $\pm0.03$ 7 ABREU 2000 Y DLPH ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit Z}}$ $1.36$ $\pm0.09$ ${}^{+0.06}_{-0.05}$ 8 ABE 1999 D CDF ${{\mathit p}}{{\overline{\mathit p}}}$ at $1.8$ TeV $1.50$ ${}^{+0.16}_{-0.15}$ $\pm0.04$ 8 ACKERSTAFF 1998 G OPAL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit Z}}$ $1.54$ ${}^{+0.14}_{-0.13}$ $\pm0.04$ 8 BUSKULIC 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 ABAZOV 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