Direct CP Violation in Untagged B-Meson Decays

Abstract

Direct CP violation can exist in untagged, neutral B-meson decays to certain self-conjugate, hadronic final states. It can occur if the resonances which appear therein permit the identification of distinct, CP-conjugate states -- in analogy to stereochemistry, we term such states ``CP-enantiomers.'' These states permit the construction of a CP-odd amplitude combination in the untagged decay rate, which is non-zero if direct CP violation is present. The decay B\to π^+π^-π^0, containing the distinct CP-conjugate states ρ^+ π^- and ρ^- π^+, provides one such example of a CP-enantiomeric pair. We illustrate the possibilities in various multi-particle final states.

8 pages, ReVTeX 4.0

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• QCD Factorization in B -> pi K, pi pi Decays and Extraction of Wolfenstein Parameters
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• Observation of CP violation in the B^0 meson system
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• A new technique to observe direct CP Violation in D mesons using Bose Symmetry and Dalitz Plot
• On the role of final-state interactions in Dalitz plot studies
• Visualisation of $CP$-violation effects in decay-time-dependent analyses of multibody $B$-meson decays