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- Institute of Astronomy and Astrophysics, Academia SinicaTW1.4k papers
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20 papers · 2 filters
Phenomenological Application of factorization
Yong-Yeon Keum
We discuss applications of the perturbative QCD approach in the exclusive non-leptonic two body B-meson decays. We briefly review its ingredients and some important theoretical iss…
Resolution to the polarization puzzle
Hsiang-nan Li
We resolve the polarization puzzle by postulating a smaller form factor and by adding penguin annihilation and nonfactorizable contribution…
Polarizations in B -> VV decays
Hsiang-nan Li, Satoshi Mishima
We demonstrate that the polarization fractions of most tree-dominated decays can be simply understood by means of kinematics in the heavy-quark or large-energy limit. For…
Parity-even and Parity-odd Mesons in Covariant Light-front Approach
Hai-Yang Cheng
Decay constants and form factors for parity-even (s-wave) and parity-odd (p-wave) mesons are studied within a covariant light-front approach. The three universal Isgur-Wise functio…
Light Front Approach for Strong and Weak Decays of Pentaquarks
Hai-Yang Cheng
Strong and weak decays of pentaquarks are studied in the framework of the light-front approach.
Effects of Final State Interactions on Hadronic Charmless B Decays
Hai-Yang Cheng
Final-state rescattering effects on direct CP violation in charmless hadronic B decays and on the polarization anomaly in are discussed.