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Long-distance contribution to the muon-polarization asymmetry in $K^{+} \to \pi^{+}\mu\mu$

We revisit the calculation of the long-distance contribution to the muon-polarization asymmetry \Delta_{LR}, which arises, in K^+\to\pi^+\mu^+\mu^-, from the two-photon intermediate state. The parity-violating amplitude of this process, induced by the local anomalous K^+\pi^-\gamma^*\gamma^* transit...

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Detalles Bibliográficos
Autores principales: D'Ambrosio, Giancarlo, Gao, Dao-Neng
Lenguaje:eng
Publicado: 2001
Materias:
Acceso en línea:https://dx.doi.org/10.1103/PhysRevD.65.076001
http://cds.cern.ch/record/526277

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