Chiral low-energy constants: status and prospects
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Portolés Ibáñez, Jorge
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Aquest document és un/a article, creat/da en: 2007
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Chiral low-energy constants (LECs) carry the information of shortdistance dynamics involving heavier degrees of freedom not present in the chiral Lagrangian. Our knowledge of the LECs is all-important at phenomenological level because their relevance in the prediction of hadronic observables at low-energies and, on the other side, because they provide hints on the construction of a dual theory of QCD in the low-energy regime. I review briefly the status of these important couplings. |
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