${{\mathit \Lambda}_{{b}}^{0}}$ ${{\overline{\mathit \Lambda}}_{{b}}^{0}}$ Production Asymmetry

${{\mathit A}}_{P}({{\mathit \Lambda}_{{b}}^{0}}$) = [${\mathit \sigma (}{{\mathit \Lambda}_{{b}}^{0}}{)}$ $−$ ${\mathit \sigma (}{{\overline{\mathit \Lambda}}_{{b}}^{0}}{)}$] $/$ [${\mathit \sigma (}{{\mathit \Lambda}_{{b}}^{0}}{)}$ + ${\mathit \sigma (}{{\overline{\mathit \Lambda}}_{{b}}^{0}}{)}$]

${{\mathit A}}_{P}({{\mathit \Lambda}_{{b}}^{0}}$)

INSPIRE   PDGID:
S040A13
VALUE ($ 10^{-2} $) DOCUMENT ID TECN  COMMENT
$\bf{ 1.4 \pm0.4}$ OUR AVERAGE  Error includes scale factor of 1.8.
$1.92$ $\pm0.35$ 1
AAIJ
2021AJ
 LHCB ${{\mathit p}}{{\mathit p}}$ at 7 TeV
$1.09$ $\pm0.29$ 1
AAIJ
2021AJ
 LHCB ${{\mathit p}}{{\mathit p}}$ at 8 TeV
$-0.11$ $\pm2.53$ $\pm1.08$ 2
AAIJ
2017BF
 LHCB ${{\mathit p}}{{\mathit p}}$ at 7 TeV
$3.44$ $\pm1.61$ $\pm0.76$ 2
AAIJ
2017BF
 LHCB ${{\mathit p}}{{\mathit p}}$ at 8 TeV
1  Integrated over the kinematic range 2 $<$ $p_T$ $<$ 27 GeV/c and 2.15 $<$ y $<$ 4.10.
2  Indirect determination in kinematic range 2 $<$ $p_T$ $<$ 30 GeV/c and 2.1 $<\eta $ $<$ 4.5 from production asymmetries of ${{\mathit B}^{+}}$, ${{\mathit B}^{0}}$ and ${{\mathit B}_{{s}}^{0}}$.
References:
AAIJ 2021AJ
JHEP 2110 060 Observation of a $\Lambda_b^0-\overline{\Lambda}_b^0$ production asymmetry in proton-proton collisions at $\sqrt{s} = 7 \textrm{ and } 8\,\textrm{TeV}$
AAIJ 2017BF
PL B774 139 Measurement of ${{\mathit B}^{0}}$, ${{\mathit B}_{{s}}^{0}}$, ${{\mathit B}^{+}}$ and ${{\mathit \Lambda}_{{b}}^{0}}$ Production Asymmetries in 7 and 8 TeV Proton-Proton Collisions