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(${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}^{0}}{{\mathit e}^{+}}{{\mathit e}^{-}}$) (1.0 $<$ q${}^{2}$ $<$ 6.0 GeV${}^{2}$/c${}^{4}$)

INSPIRE   JSON  (beta) PDGID:
S042A34
VALUE DOCUMENT ID TECN  COMMENT
$\bf{ 0.64 {}^{+0.18}_{-0.13}}$ OUR AVERAGE
$0.66$ ${}^{+0.20}_{-0.14}$ ${}^{+0.02}_{-0.04}$ 1
AAIJ
2022J
 LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8, 13 TeV
$0.55$ ${}^{+0.46}_{-0.34}$ $\pm0.01$ 2
CHOUDHURY
2021
BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
1  Measured in the range 1.1 $<$ q${}^{2}<$ 6.0 GeV${}^{2}$/c${}^{4}$.
2  Measured from the ratio of ${{\mathit K}_S^0}$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ and ${{\mathit K}_S^0}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$. Measurements in other q${}^{2}$ bins are also reported.
References