Measurements of deep inelastic e-p scattering at high Q**2
performed at HERA between 1994 and early 2000 by the H1 and ZEUS
collaborations are presented.
The data are compared to expectations from the Standard
Model and tests for physics beyond the Standard Model are performed.
In a second part, the previously reported observation of events with an
isolated high P_T lepton and missing transverse momentum is discussed, the
observed rates and event characteristics being compared to the
expectations from W production.
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