Decay of pseudoscalars into lepton pairs and large- N<inf>c</inf> QCD

M. Knecht; S. Peris; M. Perrottet; E. de Rafael

doi:https://doi.org/10.1103/PhysRevLett.83.5230

Decay of pseudoscalars into lepton pairs and large- N<inf>c</inf> QCD

M. Knecht, S. Peris, M. Perrottet, E. de Rafael

Department of Physics

Research output: Contribution to journal › Article › Research › peer-review

126 Citations (Scopus)

Abstract

The counterterm combination that describes the decay of pseudoscalar mesons into charged lepton pairs at lowest order in chiral perturbation theory is considered within the framework of QCD in the limit of a large number of colors Nc. When further restricted to the lowest meson dominance approximation to large- Nc QCD, our results agree well with the available experimental data. © 1999 The American Physical Society.

Original language	English
Pages (from-to)	5230-5233
Journal	Physical Review Letters
Volume	83
DOIs	https://doi.org/10.1103/PhysRevLett.83.5230
Publication status	Published - 1 Jan 1999

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Knecht, M., Peris, S., Perrottet, M., & de Rafael, E. (1999). Decay of pseudoscalars into lepton pairs and large- N<inf>c</inf> QCD. Physical Review Letters, 83, 5230-5233. https://doi.org/10.1103/PhysRevLett.83.5230

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