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    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 31 (2003), S. 227-238 
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. The dependence of the pseudo-scalar meson masses and decay constants on sea and valence quark masses is compared to next-to-leading order (NLO) chiral perturbation theory (ChPT). The numerical simulations with two light dynamical quark flavors are performed with the Wilson quark lattice action at gauge coupling $\beta = 5.1$ and hopping parameters $\kappa = 0.176,\; 0.1765,\; 0.177$ on a 164 lattice. ${\cal O}(a)$ lattice artifacts are taken into account by applying chiral perturbation theory for the Wilson lattice action. The values of the relevant combinations of Gasser-Leutwyler constants L 4, L 5, L 6 and L 8 are estimated.
    Type of Medium: Electronic Resource
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