TRACK FITTING FOR BEIJING SPERCMFTER
Chan Guoming Yan Wuguang Wang Suqin (Institute of High Energy Physics, Academia Sinica)
A software package for track fitting to Beijing spectometcr (BES) is given. The procedure of this package is introduced. We have also checked the package by Monte Carlo event: e~+e~-→J/Ψ→μ~+μ~-, the momentum resolution is acceptable. The package is now used in the study of J/Ψ physics for BES.