$\mathit P$ VIOLATION PARAMETERS

Observables calculated as average of the triple products for ${{\mathit \Lambda}_{{{b}}}^{0}}$ and ${{\overline{\mathit \Lambda}}_{{{b}}}^{0}}$, which is sensitive to parity violation.

a$_{P}$( ${{\mathit \Lambda}_{{{b}}}^{0}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$)

INSPIRE   PDGID:
S040A06
VALUE (%) DOCUMENT ID TECN  COMMENT
$-4.0$ $\pm0.7$ $\pm0.2$ 1
AAIJ
2020AB
 LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8, 13 TeV
• • We do not use the following data for averages, fits, limits, etc. • •
$-3.71$ $\pm1.45$ $\pm0.32$ 2
AAIJ
2017H
 LHCB Repl. by AAIJ 2020AB
1  Used both triple product asymmetries and the unbinned energy test method.
2  Measured over full phase space of the decay.
Conservation Laws:
PARITY ($\mathit P$) INVARIANCE
References