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The investigation of $K^+\pi^−, \pi^+K^−$ and $\pi^+\pi^−$ atoms
Theory, using Low Energy QCD, predicts with high precision the pion-pion and pion-kaon scattering lengths. There is accurate relation between $K^+\pi^−$ and $\pi^+K^-$ atoms lifetime and pion-kaon S-wave scattering lengths with isospin 1/2 and 3/2. Experiment DIRAC at CERN PS detects $345 \pm 61$ pa...
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| Lenguaje: | eng |
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2016
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| Acceso en línea: | https://dx.doi.org/10.1051/epjconf/201613001015 http://cds.cern.ch/record/2277803 |