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The pion-pion scattering lengths from DIRAC
The scattering lengths of a two pion system are the {\it golden magnitudes} to test the QCD predictions in the low energy sector. The DIRAC (PS-212) experiment at CERN will obtain a particular combination of the S-wave isospin 0 and 2 scattering lengths by measuring the lifetime of pionium, the hydr...
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| Lenguaje: | eng |
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2003
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| Acceso en línea: | https://dx.doi.org/10.1063/1.1799699 http://cds.cern.ch/record/645806 |