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10 papers · 2 filters
Nonleptonic Weak Decays of Bottom Baryons
Hai-Yang Cheng
Cabibbo-allowed two-body hadronic weak decays of bottom baryons are analyzed. Contrary to the charmed baryon sector, many channels of bottom baryon decays proceed only through the…
On the hadronic production of and mesons
Chao-Hsi Chang
With respect to the two theoretical approaches for estimating the hadronic productions of the mesons and : the full calculation and the fragmentation approxima…
Determination of the HQET Parameters from the Decay
Hsiang-nan Li, Hoi-Lai Yu
We combine the resummations for radiative corrections and for the heavy quark expansion to study the inclusive radiative decay . The infrared renormalon ambiguity is al…
QCD Sum Rule Calculation for the Tensor Charge of the Nucleon
Hanxin He, Xiangdong Ji
The nucleon's tensor charges (isovector and isoscalar ) are calculated using the QCD sum rules in the presence of an external tensor field. In addition t…
Mesonic Form Factors and the Isgur-Wise Function on the Light-Front
Hai-Yang Cheng, Chi-Yee Cheung, Chien-Wen Hwang
Within the light-front framework, form factors for and transitions (: pseudoscalar meson, : vector meson) due to the valence-quark configuration are calcula…
Status of the Proton Spin Problem
Hai-Yang Cheng
The proton spin problem triggered by the EMC experiment and its present status are closely examined. Recent experimental and theoretical progresses and their implications are revie…