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$K^{+} \to pi^{+} pi^{0}$ Decays on Finite Volumes and at Next-to-Leading Order in the Chiral Expansion
We present the ingredients necessary for the determination of physical K->pi pi decay amplitudes for Delta I=3/2 transitions, from lattice simulations at unphysical kinematics and the use of chiral perturbation theory at next-to-leading order. In particular we derive the expressions for the matri...
| Autores principales: | , , , , |
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| Lenguaje: | eng |
| Publicado: |
2002
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/S0550-3213(02)01038-6 http://cds.cern.ch/record/574830 |