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SU(3) Breaking and D0-D0bar Mixing

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arxiv hep-ph/0110317 v2 pith:SXLXAYYQ submitted 2001-10-24 hep-ph

Adam F. Falk , Yuval Grossman , Zoltan Ligeti , Alexey A. Petrov This is my paper
classification hep-ph
keywords breakingmixingmodelstandardd0-d0bareffectsgammameson
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The main challenge in the Standard Model calculation of the mass and width difference in the D0-D0bar system is to estimate the size of SU(3) breaking effects. We prove that D meson mixing occurs in the Standard Model only at second order in SU(3) violation. We consider the possibility that phase space effects may be the dominant source of SU(3) breaking. We find that y=(Delta Gamma)/(2Gamma) of the order of one percent is natural in the Standard Model, potentially reducing the sensitivity to new physics of measurements of D meson mixing.

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Cited by 1 Pith paper

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

  1. Nonperturbative Dynamics in D-meson Mixing

    hep-ph 2025-08 conditional novelty 6.0 of 10

    First calculation of dimension-11 and dimension-12 QCD condensate contributions to D-meson mixing gives xD = 1.27e-5, still below experiment.

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