Matches in SemOpenAlex for { <https://semopenalex.org/work/W2531477956> ?p ?o ?g. }
- W2531477956 abstract "Using a sample of 227 million $Upsilon(4S) to B bar{B}$ events collected with the $BABAR$ detector at the PEP-II $B$ Factory in 1999--2004, we study $B^- to D^0 K^*(892)^-$ decays where $K^{*-} to K^0_S pi^-$ and $D^0 to K^-pi^+, K^- pi^+ pi^0, K^-pi^+ pi^+ pi^-$ (non-CP final states), $K^+ K^-, pi^+ pi^- (CP+$ eigenstates), $K^0_S~pi^0, K^0_S phi$ and $K^0_S omega (CP-$ eigenstates). The partial rate charge asymmetries $mathcal{A}_{CP}$ and the ratios $mathcal{R}_{CP}$ defined in the literature as the sum of the $B^+$ and $B^-$ partial rates to a charged $K^*$ and a $D^0 CP$-eigenstate divi ded by the $B to D^0 K^*$ decay rate, %of the ensuremath{Bu}xspacexspace m ensuremath{to}xspace Dcp ensuremath{K^*}xspacepm branch ing fractions summed over %B charge to the ensuremath{B^-}xspace xspaceensuremath{to}xspace ensuremath{D^0}xspace ensu remath{K^{*-}}xspace branching fraction are sensitive to the angle $gamma$ of the CKM unitarity triangle. We measure: mathcal{A}_{CP+} &=&-0.09 pm 0.20 (stat.) pm 0.06 (syst.) mathcal{A}_{CP-} &=& -0.33 pm 0.34 (stat.) pm 0.10 (syst.) (+1.15 pm 0.12) cdot (mathcal{A}_{CP-} - mathcal{A}_{CP+}) mathcal{R}_{CP+} &=& +1.77 pm 0.37 (stat.) pm 0.12 (syst.) mathcal{R}_{CP-} &=& +0.76 pm 0.29 (stat.) pm 0.06 (syst.) ^{- 0.04}_{- 0.14} The third uncertainty quoted for the CP- measurements reflects possible interference effects in the final states with $phi$ and $omega$ resonances. All results are preliminary." @default.
- W2531477956 created "2016-10-21" @default.
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