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$\mathit P$ VIOLATION ASYMMETRY

$\mathit A_{P}({{\mathit \Xi}_{{b}}}$), ${{\mathit \Xi}_{{b}}^{-}}$ $−$ ${{\mathit \Xi}_{{b}}^{+}}$ production asymmetry

INSPIRE   PDGID:

S069A03

$\mathit A_{P}({{\mathit \Xi}_{{b}}}$) = [$\sigma ({{\mathit \Xi}_{{b}}^{-}}$) $−$ $\sigma ({{\mathit \Xi}_{{b}}^{+}}$) ]/[$\sigma ({{\mathit \Xi}_{{b}}^{-}}$) + $\sigma ({{\mathit \Xi}_{{b}}^{+}}$)]

VALUE ($ 10^{-2} $) DOCUMENT ID TECN  COMMENT $\bf{ -2 \pm4}$ OUR AVERAGE $1.1$ $\pm5.6$ $\pm1.9$ 1, 2 AAIJ 2019 AB LHCB ${{\mathit p}}{{\mathit p}}$ at 7 and 8 TeV $-3.9$ $\pm4.9$ $\pm2.5$ 1, 2 AAIJ 2019 AB LHCB ${{\mathit p}}{{\mathit p}}$ at 13 TeV 1  Baryon kinematic range $p_T$ $<$ 20 GeV/c and 2 $<$ ${{\mathit \eta}}$ $<$ 6. 2  Measured using previous measurements of A$_{P}({{\mathit \Lambda}}_{b}$) in AAIJ 2017BF.

References:

AAIJ 2019AB PR D99 052006 Measurement of the mass and production rate of $\Xi_b^-$ baryons

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