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Combining CP Asymmetries in $B \to K \pi$ Decays

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arxiv hep-ph/9809384 v3 pith:4MVGPKND submitted 1998-09-14 hep-ph

classification hep-ph
keywords orderapproximateasymmetriescombinedcombiningcp-violatingdatadecays
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We prove an approximate relation, to leading order in dominant terms, between CP-violating rate differences in $B^0/\bar{B}^0 \to K^{\pm}\pi^{\mp}$ and $B^{\pm} \to K^{\pm}\pi^0$. We show how data from these two processes may be combined in order to enhance the significance of a nonzero result.

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Forward citations

Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Flavor Violations in $B$-Mesons within Non-Minimal SU(5)

    hep-ph 2024-12 conditional novelty 6.0 of 10

    A non-minimal SU(5) model with R2 leptoquark and S6 diquark is fitted to B-decay anomalies in b→cτν, B→Kπ, and B→Kνν, but the benchmark B→Kνν rate rises only about 3.5% above the Standard Model.

  2. Correlating $\epsilon^\prime/\epsilon$ to hadronic $B$ decays via $U(2)^3$ flavour symmetry

    hep-ph 2019-09 conditional novelty 6.0 of 10

    A U(2)^3 flavour-symmetric effective field theory can consistently explain the epsilon'/epsilon anomaly and hadronic B decay CP asymmetries, with a global fit about 3 sigma better than the Standard Model.

  3. Precision measurement of CP violation and branching fractions in $B^{\pm} \to K^0_{\mathrm{S}} h^{\pm}$ $(h = \pi, K)$ decays and search for the rare decay $B_c^{\pm} \to K^0_{\mathrm{S}} K^{\pm}$

    hep-ex 2025-12 accept novelty 5.0 of 10

    Most precise CP asymmetry and branching ratio measurements for B± → K0S h± decays with no significant signal observed for the rare Bc decay.

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