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Nonleptonic weak decays of charmed mesons

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arxiv hep-ph/9411286 v1 pith:2A4QXOAZ submitted 1994-11-14 hep-ph

F. Buccella , M. Lusignoli , G. Miele , A. Pugliese , P. Santorelli This is my paper · ORCID
classification hep-ph
keywords decayscabibboexperimentalallowedbeendataeffectsforbidden
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

A previous analysis of two-body Cabibbo allowed nonleptonic decays of $D^0$ mesons and of Cabibbo allowed and first-forbidden decays of $D^+$ and $D_s^+$ has been adjourned using more recent experimental data and extended to the Cabibbo forbidden decays of $D^0$. Annihilation and W-exchange contributions as well as final state interaction effects (assumed to be dominated by nearby resonances) have been included and are in fact crucial to obtain a reasonable agreement with the experimental data, which show large flavour SU(3) violations. New fitting parameters are necessary to describe rescattering effects for Cabibbo forbidden $D^0$ decays, given the lack of experimental informations on isoscalar resonances. We keep their number to a minimum - three - using phenomenologically based considerations. We also discuss CP violating asymmetries.

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Forward citations

Cited by 5 Pith papers

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

  1. Search for $CP$ violation in $\Xi_c^+\to\Sigma^+h^+h^-$ and $\Lambda_c^+\to ph^+h^-$ at Belle II

    hep-ex 2025-09 accept novelty 8.0 of 10

    First individual A_CP measurements for Xi_c+ -> Sigma+ h+h- and Lambda_c+ -> p h+h- decays, all consistent with CP symmetry and with U-spin sum-rule predictions.

  2. Long distance contributions to neutral $D$-meson mixing from lattice QCD

    hep-lat 2025-04 conditional novelty 6.0 of 10

    The authors propose and analyze a spectral-reconstruction method for lattice QCD that could determine the long-distance contributions to D0-Dbar0 mixing parameters x and y from first principles.

  3. Measurement of the CP asymmetry in $D^+ \to \pi^+ \pi^0$ decays at Belle II

    hep-ex 2025-06 accept novelty 5.0 of 10

    The new world-best measurement of the CP asymmetry in D+ -> pi+ pi0 decays is (-1.8 +/- 0.9 +/- 0.1)%, consistent with zero and with the Standard Model.

  4. Measurement of the time-integrated $CP$ asymmetry in $D^0\to\pi^0\pi^0$ decays at Belle II

    hep-ex 2025-05 accept novelty 5.0 of 10

    Belle II measures A_CP(D0 -> pi0 pi0) = (0.30 ± 0.72 ± 0.20)%, consistent with no CP violation and with the previous Belle measurement.

  5. CP violation studies at Super Tau-Charm Facility

    hep-ex 2025-02 conditional novelty 4.0 of 10

    A future Super Tau-Charm Facility is projected to test CP violation in hyperon, tau, and charm decays at 1e-4 to 1e-3 sensitivities and improve the kaon CPT mass-difference limit tenfold.

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