PRODUCTION ASYMMETRIES

A${}^{ {{\mathit b}} {{\overline{\mathit b}}} }_{C}$

INSPIRE   PDGID:
S051PAY
A${}^{ {{\mathit b}} {{\overline{\mathit b}}} }_{C}$ = [N($\Delta $y $>$ 0) $−$ N($\Delta $y $<$ 0)] $/$ [N($\Delta $y $>$ 0) $+$ N($\Delta $y $<$ 0)] with $\Delta $y = $\vert $y$_{b}\vert $ $−$ $\vert $y$_{{{\overline{\mathit b}}}}\vert $ where y$_{{{\mathit b}}/{{\overline{\mathit b}}}}$ is rapidity of ${\mathit {\mathit b}}$ or ${\mathit {\overline{\mathit b}}}$ quarks.
VALUE ($ 10^{-2} $) DOCUMENT ID TECN  COMMENT
$0.4$ $\pm0.4$ $\pm0.3$ 1
AAIJ
2014AS
 LHCB ${{\mathit p}}{{\mathit p}}$ at 7 TeV
$2.0$ $\pm0.9$ $\pm0.6$ 2
AAIJ
2014AS
 LHCB ${{\mathit p}}{{\mathit p}}$ at 7 TeV
$1.6$ $\pm1.7$ $\pm0.6$ 3
AAIJ
2014AS
 LHCB ${{\mathit p}}{{\mathit p}}$ at 7 TeV
1  Measured for 40 $<$ M( ${{\mathit b}}{{\overline{\mathit b}}}$ ) $<$ 75 GeV/c${}^{2}$.
2  Measured for 75 $<$ M( ${{\mathit b}}{{\overline{\mathit b}}}$ ) $<$ 105 GeV/c${}^{2}$.
3  Measured for M( ${{\mathit b}}{{\overline{\mathit b}}}$ ) $>$ 105 GeV/c${}^{2}$.
References:
AAIJ 2014AS
PRL 113 082003 First Measurement of the Charge Asymmetry in Beauty-Quark Pair Production