$\mathit CP$ VIOLATION PARAMETERS

$\mathit A_{CP}$( ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit X}_{{s}}}{{\mathit \gamma}}$ )

INSPIRE   PDGID:
S042A12
VALUE DOCUMENT ID TECN  COMMENT
$-0.0094$ $\pm0.0174$ $\pm0.0047$ 1
WATANUKI
2019
BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
1  Using a sum-of-exclusive technique with ${\mathit m}_{{{\mathit X}_{{s}}}}$ $<$ 2.8 GeV/c${}^{2}$.
Conservation Laws:
$\mathit CP$ INVARIANCE
References:
WATANUKI 2019
PR D99 032012 Measurements of isospin asymmetry and difference of direct $CP$ asymmetries in inclusive $B \to X_s \gamma$ decays