PARTIAL BRANCHING FRACTIONS IN ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}^{(*)0}}{{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$

B(${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}^{*0}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}})/B({{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}^{*0}}{{\mathit e}^{+}}{{\mathit e}^{-}}$) (0.045 $<$ q${}^{2}<$ 1.1 GeV${}^{2}$/c${}^{4}$)

INSPIRE   JSON  (beta) PDGID:
S042A05
VALUE DOCUMENT ID TECN  COMMENT
$\bf{ 0.91 \pm0.09}$ OUR AVERAGE
$0.927$ ${}^{+0.093}_{-0.087}$ ${}^{+0.036}_{-0.035}$ 1
AAIJ
2023AB
LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8, 13 TeV
$0.46$ ${}^{+0.55}_{-0.27}$ $\pm0.13$
WEHLE
2021
BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$0.66$ ${}^{+0.11}_{-0.07}$ $\pm0.03$ 2
AAIJ
2017W
LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV
1  Measured for the region 0.1 $<$ q${}^{2}$ $<$ 1.1 GeV${}^{2}$/c${}^{4}$.
2  Superseded by AAIJ 2023AB.
References