$\mathit A{}^{(0,{{\mathit u}})}_{\mathit FB}$ CHARGE ASYMMETRY IN ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit u}}{{\overline{\mathit u}}}$

INSPIRE   PDGID:
S044Z0U
ASYMMETRY ${\mathrm {(\%)}}$ STD. MODEL $\sqrt {\mathit s }$ ${\mathrm {(GeV)}}$ DOCUMENT ID TECN
$ 4.0 \pm6.7 \pm2.8 $ $7.2$ $91.2$ 1
ACKERSTAFF
1997T
 OPAL
1  ACKERSTAFF 1997T measure the forward-backward asymmetry of various fast hadrons made of light quarks. Then using SU(2) isospin symmetry and flavor independence for down and strange quarks authors solve for the different quark types.
References:
ACKERSTAFF 1997T
ZPHY C76 387 Measurement of the Branching Fractions and Forward Backward Asymmetries of the ${{\mathit Z}^{0}}$ into Light Quarks