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Abstract：
We describe a fitting method of the Z0 line shape, discuss the radiative corrections for calculating the theoretical cross sections of e+e- → ff at Z0 resonance, and compare the results from different programs. The systematic errors are taken into account in our fitting. As an example, Z0 line shape is fitted to determine some Z0 parameters by using the τ+τ- (γ) channel data.
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Xiaoxuan Lin
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