Determining QCD Low-Energy Couplings from lattice simulations

Details Determining QCD Low-Energy Couplings from lattice simulations Determining QCD Low-Energy Couplings from lattice simulations

2007-10-12

arxiv.org/abs/0710.2444v1

PoSLAT2007:021,2007

Physics

High Energy Physics

High Energy Physics - Lattice

16 pages, 4 figures, plenary talk at the 25th International Symposium on Lattice Field Theory, Regensburg, Germany, 30 Jul - 4

Scientific paper

Different strategies for the computation of QCD low-energy couplings by matching lattice QCD with the chiral effective theory are reviewed. After recalling the main features of the chiral effective theory in the epsilon- and p- regimes, the current status of the determination of leading order (Sigma, F) and next-to-leading order (l_i, L_i) low-energy constants is summarised, focusing in particular on recent results obtained with N_f=2 and N_f=2+1 simulations.

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