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6 papers · 2 filters
Applicability of the Friedberg-Lee-Zhao method
Gong-Bo Zhao, Yi-Bing Ding, Xue-Qian Li +2
Friedberg, Lee and Zhao proposed a method for effectively evaluating the eigenenergies and eigen wavefunctions of quantum systems. In this work, we study several special cases to i…
Asymmetry of Strange Sea in Nucleons
Xue-Qian Li, Xiao-Bing Zhang, Bo-Qiang Ma
Based on the finite-temperature field theory, we evaluate the medium effects in nucleon which can induce an asymmetry between quarks and antiquarks of the strange sea. The short-di…
Molecular States and 1^-+ Exotic Mesons
Rui Zhang, Yi-Bing Ding, Xue-Qian Li +1
This work investigates whether the observed 1^-+ exotic mesons are molecular states. We first use a potential model to calculate the spectra and lifetimes of the f_0(980) and a_0(9…
Study of the -meson lifetime
Chao-Hsi Chang, Shao-Long Chen, Tai-Fu Fe +1
We in terms of optical theorem estimate the lifetime of meson with the parameters which are deturmined by fitting the data for the lifetimes and inclusive semilepton-decays o…
Effective Lagrangian for and Vertices in the mSUGRA model
Tai-Fu Feng, Xue-Qian Li, Guo-Li Wang
Complete expressions of the and vertices are derived in the framework of supersymmetry with minimal flavor violation. With the minimal supergravity (mSUGRA)…
|Delta B|=1 Weak Effective Lagrangian in the Minimal Flavor Violation Supersymmetry
Tai-Fu Feng, Xue-Qian Li, Guo-Li Wang
To evaluate the weak decays of b-hadrons, the weak effective Lagrangian is the foundation. Any new physics beyond the standard model (SM) would contribute to the effective L…