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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...
Autores principales: | , |
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Lenguaje: | eng |
Publicado: |
2001
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.65.076001 http://cds.cern.ch/record/526277 |