2  Masses

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2.1 meff Z

M_{Z_0} = 0.2844(59) \chi^2/dof= 0.65873

M_{Z_0} = 0.33144(96) \chi^2/dof= 2.127

M_{Z_0} = 0.3317(10) \chi^2/dof= 2.461

M_{Z_0} = 0.2744(34) \chi^2/dof= 1.3699

M_{Z_0} = 0.2450(39) \chi^2/dof= 1.4433

M_{Z_0} = 0.2085(27) \chi^2/dof= 0.92403

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