$\Gamma _{{{\mathit B}_{{{s}}}^{0}}}$ INSPIRE search

"OUR EVALUATION" includes the measurements of $\Gamma _{{{\mathit B}_{{{s}}}^{0}}}$ and $\Delta \Gamma _{{{\mathit B}_{{{s}}}^{0}}}$ listed in this section, as well as constraints from effective lifetimes with pure $\mathit CP$ modes and flavor-specific modes.
S086GS
VALUE ($ 10^{12} $ s${}^{-1}$) DOCUMENT ID TECN  COMMENT
$\bf{ 0.6600 \pm0.0024}$ OUR EVALUATION  $~~$(Produced by HFLAV)
$\bf{ 0.6617 \pm0.0026}$ OUR AVERAGE  Error includes scale factor of 2.0.
$0.6613$ $\pm0.0015$ $\pm0.0034$ 1
HAYRAPETYAN
2026A
CMS ${{\mathit p}}{{\mathit p}}$ at 13 TeV
$0.6527$ ${}^{+0.0013}_{-0.0015}$ $\pm0.0022$ 2
AAIJ
2024A
LHCB ${{\mathit p}}{{\mathit p}}$ at 13 TeV
$0.6687$ $\pm0.0015$ $\pm0.0022$ 3, 4
AAD
2021AE
ATLS ${{\mathit p}}{{\mathit p}}$ at 13 TeV
$0.608$ $\pm0.018$ $\pm0.012$ 5
AAIJ
2021AN
LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV
$0.650$ $\pm0.006$ $\pm0.004$ 6
AAIJ
2017V
LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV
$0.676$ $\pm0.004$ $\pm0.004$ 7, 4
AAD
2016AP
ATLS ${{\mathit p}}{{\mathit p}}$ at 8 TeV
$0.668$ $\pm0.011$ $\pm0.006$ 8
AAIJ
2016AK
LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV
$0.6704$ $\pm0.0043$ $\pm0.0055$ 4
KHACHATRYAN
2016S
CMS ${{\mathit p}}{{\mathit p}}$ at 8 TeV
$0.6603$ $\pm0.0027$ $\pm0.0015$ 9
AAIJ
2015I
LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV
$0.677$ $\pm0.007$ $\pm0.004$ 4
AAD
2014U
ATLS ${{\mathit p}}{{\mathit p}}$ at 7 TeV
$0.654$ $\pm0.008$ $\pm0.004$ 4
AALTONEN
2012AJ
CDF ${{\mathit p}}{{\overline{\mathit p}}}$ at 1.96 TeV
$0.693$ ${}^{+0.018}_{-0.017}$ 4
ABAZOV
2012D
D0 ${{\mathit p}}{{\overline{\mathit p}}}$ at 1.96 TeV
• • • We do not use the following data for averages, fits, limits, etc. • • •
$0.6531$ $\pm0.0042$ $\pm0.0026$ 4
SIRUNYAN
2021E
CMS ${{\mathit p}}{{\mathit p}}$ at 13 TeV
$0.6531$ $\pm0.0042$ $\pm0.0026$ 10, 4
SIRUNYAN
2021E
CMS Repl. by HAYRAPETYAN 2026A
$0.6563$ $\pm0.0021$ 11, 4
AAIJ
2019Q
LHCB Repl. by AAIJ 2024A
$0.661$ $\pm0.004$ $\pm0.006$ 12
AAIJ
2013AR
LHCB Repl. by AAIJ 2015I
$0.677$ $\pm0.007$ $\pm0.004$ 4
AAD
2012CV
ATLS Repl. by AAD 2014U
$0.657$ $\pm0.009$ $\pm0.008$ 4
AAIJ
2012D
LHCB Repl. by AAIJ 2013AR
$0.654$ $\pm0.011$ $\pm0.005$ 4, 13
AALTONEN
2012D
CDF Repl. by AALTONEN 2012AJ
$0.672$ $\pm0.027$ $\pm0.013$ 4
ABAZOV
2009E
D0 Repl. by ABAZOV 2008AM
$0.658$ $\pm0.017$ $\pm0.009$ 4, 14
AALTONEN
2008J
CDF Repl. by AALTONEN 2012D
$0.658$ $\pm0.022$ $\pm0.004$ 4
ABAZOV
2008AM
D0 Repl. by ABAZOV 2012D
$0.658$ $\pm0.035$ ${}^{+0.0130}_{-0.004}$ 4, 14
ABAZOV
2007
D0 Repl. by ABAZOV 2009E
$0.714$ ${}^{+0.007}_{-0.008}$ $\pm0.010$ 4, 14
ACOSTA
2005
CDF Repl. by AALTONEN 2008J
1  Measured using a time-dependent angular analysis of ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}$ decays with the ML-improved flavor-tagging algorithm.
2  Reports ${\Gamma}_{{\mathit s}}$ $−$ ${\Gamma}_{{\mathit d}}$ = $-0.0056$ ${}^{+0.0013}_{-0.0015}$ $\pm0.0014$ ps${}^{-1}$ using a time-dependent angular analysis of ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ decays and the current ${{\mathit B}^{0}}$ lifetime of $1.517$ $\pm0.004$ ps${}^{-1}$.
3  Reports a combination of $0.6703$ $\pm0.0014$ $\pm0.0018$ ps${}^{-1}$ with AAD 2016AP.
4  Measured using a time-dependent angular analysis of ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}$ decays.
5  Measured using a time-dependent angular analysis of ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}$ decays with ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$.
6  Measured using time-dependent angular analysis of ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ in the region m(${{\mathit K}}{{\mathit K}}$) $>$ 1.05 GeV.
7  Reports a combination of $0.675$ $\pm0.003$ $\pm0.003$ ps${}^{-1}$ with AAD 2014U.
8  Measured using a time-dependent angular analysis of ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit \psi}{(2S)}}{{\mathit \phi}}$ decays.
9  Measured using a time-dependent angular analysis of ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ decays.
10  Reports a combination of $0.6590$ $\pm0.0032$ $\pm0.0023$ ps${}^{-1}$ with KHACHATRYAN 2016S.
11  Reports ${\Gamma}_{{\mathit s}}$ $−$ ${\Gamma}_{{\mathit d}}$ = $-0.0041$ $\pm0.0024$ $\pm0.0015$ ps${}^{-1}$ using a time-dependent angular analysis of ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ decays and the ${{\mathit B}^{0}}$ lifetime of $1.520$ $\pm0.004$ ps${}^{-1}$. The results are further combined with those coming from ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$, ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit \psi}{(2S)}}{{\mathit \phi}}$, and ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit D}_{{{s}}}^{+}}{{\mathit D}_{{{s}}}^{-}}$.
12  Measured using a combined time-dependent angular analysis of ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ and ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ decays.
13  Assuming CPV phase ${{\mathit \phi}_{{{s}}}}$ = $-0.04$.
14  Assuming CPV phase ${{\mathit \phi}_{{{s}}}}$ = 0.

           $\Gamma _{{{\mathit B}_{{{s}}}^{0}}}$ ($ 10^{12} $ s${}^{-1}$)
  References:
HAYRAPETYAN 2026A
arXiv:2412.19952 Evidence for $CP$ violation and measurement of $CP$-violating parameters in B$^0_\mathrm{s}$ $\to$ J/$\psi\,\phi$(1020) decays in pp collisions at $\sqrt{s} =$ 13 TeV
AAIJ 2024A
PRL 132 051802 Improved measurement of $CP$ violation parameters in $B^0_s\to J/\psi K^{+}K^{-}$ decays in the vicinity of the $\phi(1020)$ resonance
AAD 2021AE
EPJ C81 342 Measurement of the $CP$-violating phase $\phi_s$ in $B^0_s \to J/\psi\phi$ decays in ATLAS at 13 TeV
AAIJ 2021AN
EPJ C81 1026 First measurement of the $C\!P$-violating phase in ${{B} ^0_{s}} \!\rightarrow {{J /\psi }} (\rightarrow e ^+e ^-$)$\phi $ decays
SIRUNYAN 2021E
PL B816 136188 Measurement of the $CP$-violating phase $\phi_\mathrm{s}$ in the B$^0_\mathrm{s}\to$ J$/\psi\, \phi$(1020) $\to \mu^+\mu^-$K$^+$K$^-$ channel in proton-proton collisions at $\sqrt{s} =$ 13 TeV
AAIJ 2019Q
EPJ C79 706 Updated measurement of time-dependent {\it CP}-violating observables in $B^{0}_{s}\to J/\psi K^+ K^-$ decays
Also
EPJ C80 601 (errat.) Updated measurement of time-dependent $\it CP$-violating observables in $B^{0}_{s}\to J/\psi K^+ K^-$ decays
AAIJ 2017V
JHEP 1708 037 Resonances and $\mathit CP$ Violation in ${{\mathit B}_{{{s}}}^{0}}$ and  Decays in the Mass Region above the ${{\mathit \phi}{(1020)}}$
AAD 2016AP
JHEP 1608 147 M ${{\mathit \phi}_{{{s}}}}$ and the ${{\mathit B}_{{{s}}}^{0}}$ Meson Decay width Difference with ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}$ Decays in ATLAS
AAIJ 2016AK
PL B762 253 First Study of the $\mathit CP$ -Violating Phase and Decay-Width Difference in ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit \psi}{(2S)}}{{\mathit \phi}}$ Decays
KHACHATRYAN 2016S
PL B757 97 Measurement of the $\mathit CP$-Violating Weak Phase $\phi _{s}$ and the Decay width Difference $\Delta \Gamma _{s}$ using the ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}{(1020)}}$ Decay Channel in ${{\mathit p}}{{\mathit p}}$ Collisions at $\sqrt {s }$ = 8 TeV
AAIJ 2015I
PRL 114 041801 Precision Measurement of $\mathit CP$ Violation in ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ Decays
AAD 2014U
PR D90 052007 Flavor Tagged Time-Dependent Angular Analysis of the ${{\mathit B}_{{{s}}}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}$ Decay and Extraction of $\Delta \Gamma $s and the Weak Phase ${{\mathit \phi}_{{{s}}}}$ in ATLAS
AAIJ 2013AR
PR D87 112010 Measurement of $\mathit CP$ Violation and the ${{\mathit B}_{{{s}}}^{0}}$ Meson Decay width Difference with ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ and ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ Decays
AAD 2012CV
JHEP 1212 072 Time-Dependent Angular Analysis of the Decay ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}$ and Extraction of $\Delta \Gamma _{s}$ and the $\mathit CP$-Violating Weak Phase ${{\mathit \phi}_{{{s}}}}$ by ATLAS
AAIJ 2012D
PRL 108 101803 Measurement of the CP-Violating Phase ${{\mathit \phi}_{{{s}}}}$ in the Decay ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}$
AALTONEN 2012AJ
PRL 109 171802 Measurement of the Bottom-Strange Meson Mixing Phase in the Full CDF Data Set
AALTONEN 2012D
PR D85 072002 Measurement of the $\mathit CP$-Violating Phase $\mathit \beta {}^{{{\mathit J / \psi}}{{\mathit \phi}}}_{s}$ in ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}$ Decays with the CDF II Detector
ABAZOV 2012D
PR D85 032006 Measurement of the $\mathit CP$-Violating Phase ${{\mathit \phi}}{}^{{{\mathit J / \psi}}{{\mathit \phi}}}_{s}$ using the Flavor-Tagged Decay ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}$ in 8$~{\mathrm {fb}}{}^{-1}$ of ${{\mathit p}}{{\overline{\mathit p}}}$ Collisions
ABAZOV 2009E
PRL 102 032001 Measurement of the Angular and Lifetime Parameters of the Decays ${{\mathit B}_{{{d}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit K}^{*0}}$ and ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}$
AALTONEN 2008J
PRL 100 121803 Measurement of Lifetime and Decay-Width Difference in ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}$ Decays
ABAZOV 2008AM
PRL 101 241801 Measurement of ${{\mathit B}_{{{s}}}^{0}}$ Mixing Parameters from the Flavor-Tagged Decay ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}$
ABAZOV 2007
PRL 98 121801 Lifetime Difference and $\mathit CP$-Violating Phase in the ${{\mathit B}_{{{s}}}^{0}}$ System
ACOSTA 2005
PRL 94 101803 Measurement of the Lifetime Difference between ${{\mathit B}_{{{s}}}}$ Mass Eigenstates