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Abstract: We report on our simulations with Neuberger valence fermions on CLS $N f=2$configurations with non-perturbatively $Oa$-improved Wilson sea quarks. Weconsider the matching of QCD to ChPT in the so called mixed-regime in which thesea quarks are in the $p$-regime while the valence quarks are in the$\epsilon$-regime. From this matching, we can get information on $\Sigma$,$L 6$ and the combination $L 8+2L 6+2L 7$.



Author: Fabio Bernardoni, Nicolas Garron, Pilar Hernandez, Silvia Necco, Carlos Pena

Source: https://arxiv.org/







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