In the framework of dynamical parton distribution model,we obtain the polarized parton distribution functions from a QCD global analysis of the worldwide polarized deep inelastic scattering data.In the analysis,we apply the DGLAP equations with parton-parton recombination corrections.All the sea quarks and gluons are dynamically generated from QCD radiations processes,with the nonperturbative input comprising only the polarized valence quark distributions.
The basis light front quantization(BLFQ)is a nonperturbative approach for the light front wavefunctions(LFWFs)and the spectroscopy of the many body bound-state systems in quantum field theories[1−3].It is a Hamiltonian-based formalism with the advantages of light front dynamics[4].The LFWFs of the bound states are obtained as the eigenfunctions of the light front Schr¨odinger equation Heff|Ψ>=M2|Ψ>,where Heff is the effective Hamiltonian of the system.
