${{\mathit B}}$ $\rightarrow$ ${{\mathit X}_{{{c}}}}{{\mathit \ell}}{{\mathit \nu}}$ LEPTON MOMENTUM MOMENTS

R$_{0}$ ($\Gamma _{E_{l}>1.7 GeV}$ $/$ $\Gamma _{E_{l}>1.5 GeV}$ )

INSPIRE   JSON  (beta) PDGID:
S049EL
VALUE DOCUMENT ID TECN  COMMENT
$0.6187$ $\pm0.0014$ $\pm0.0016$ 1
MAHMOOD
2003
CLE2 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
1  The leptons are required to have E$_{l}>$1.5 GeV in the B rest frame.
References