Search for new physics in top events with the D0 detector
Abstract
This review is focused on the search for new processes, performed with top quark events in D. It presents four updated or new D results. The two first analyses deal with top production properties: they search for a new heavy resonance decaying to top-antitop. The two last results concern top decay properties: the measurement of the W helicity as a probe of the tWb coupling structure, and the top quark branching ratio to Wb. Neither of these measurements reveal any deviation with respect to the standard model predictions.
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