Author

Jian Liang

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Preprint Aug 2026

Direct lattice QCD calculation of the $\theta$-induced CP-violating pion-nucleon coupling

We present the first direct lattice QCD determination of the $\theta$-induced CP-violating pion-nucleon-nucleon coupling $\tilde g_{\pi NN}$. Using overlap valence fermions on three $2+1$-flavor domain-wall ensembles at a single lattice spacing, we calculate the forward proton matrix element of the isovector pseudoscal...

Chuanyang Li, J. Hua, Jian Liang et al. · 0 citations

Preprint Sep 2026

Flowed quark field renormalization in lattice QCD: A Ward-identity approach and its validation using quark bilinears

We present a non-perturbative Ward-identity prescription for determining the flowed quark field renormalization factor $Z_\chi$, avoiding the computational difficulties of the conventional ringed prescription. The method is based on vector-current normalization and ratios of flowed and unflowed meson two-point function...

Mei-Qi Gao, Long-Cheng Gui, Jun Hua et al. · 0 citations