摘要
With the recently obtained vacuum configuration of the bilocal field,we have calculated the decay constant f_(σ) of σ-meson in a quantum chromodynamics-based model field theory.From investigating the calculated result,it can be seen that the obtained value of fσis quite reasonable.
基金
Supported by the National Natural Science Foundation of China
the China Post-Doctoral Science Foundation
the Grant LWTZ 1298 of the Chinese Academy of Sciences。
