Chiral Low-Energy Constants: Status and Prospects

Details Chiral Low-Energy Constants: Status and Prospects Chiral Low-Energy Constants: Status and Prospects

2007-10-24

arxiv.org/abs/0710.4405v1

ActaPhys.Polon.B38:3459-3466,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages. Talk given at the 31st International Conference of Theoretical Physics, 5-11 Sep 2007, Ustron (Katowice, Poland)

Scientific paper

Chiral low-energy constants (LECs) carry the information of short-distance 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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