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

ASYMMETRY ${\mathrm {(\%)}}$

STD. MODEL

$\sqrt {\mathit s }$ ${\mathrm {(GeV)}}$

DOCUMENT ID

TECN

$ 4.0 \pm6.7 \pm2.8 $

$7.2$

$91.2$

ACKERSTAFF

1997

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