Abstract

Preliminary results on combined cross-sections and forward-backward asymmetries from e +e − → f f processes at LEP2 for center-of-mass energy √ s from 130 t0 207 GeV, are summarized. These results provide a test of the Standard Model to O(1%) and allow to constraint physics beyond the Standard Model, such as four-fermion contact interactions, gravitational interaction in extra dimensions and leptoquarks models.

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