QCD anomalies in hadronic weak decays

Gérard, Jean-Marc;Trine, Stéphanie
(2004) Physical Review D (Particles, Fields, Gravitation and Cosmology) — Vol. D69, p. 113005 (2004)

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  • Gérard, Jean-MarcUCLouvain
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  • Trine, StéphanieUCLouvain
    Author
Abstract
(en) We consider the flavour-changing operators associated with the strong axial and trace anomalies. Their short-distance generation through penguin-like diagrams is obtained within the QCD external field formalism. Standard-model operator evolution exhibits a suppression of anomalous effects in K and B hadronic weak decays. A genuine set of dimension-eight Delta S = 1 operators is also displayed. Comment: 13 pages
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Gérard, J.-M., & Trine, S. (2004). QCD anomalies in hadronic weak decays. Physical Review D (Particles, Fields, Gravitation and Cosmology), D69, 113005. https://doi.org/10.1103/PhysRevD.69.113005 (Original work published 2004)