Propose the perturbative QCD framework for three-body hadronic B meson decays, which represents the first systematic approach based on the factorization theorem.Study jet substructures of a boosted polarized top quark, which undergoes the semileptonic decay $t o bell u$ and the hadronic decay $t o bu ar d$, and of boosted heavy bosons in the perturbative QCD framework.Study Glauber gluon effects in pion-induced Drell-Yan processes and in two-body hadronic B meson decays, which resolved some long-standing puzzles.Hadronic weak decay of heavy hadrons.CP violation in heavy hadron system.Spectroscopy of heavy hadrons.Glueballs.Researchers: Hsiang-nan Li, Hai-Yang Cheng
