Search for new physics in top events with the D0 detector
Isabelle Ripp-Baudot (for the D0 collaboration)
TL;DR
This paper reviews searches for new physics in top quark events using the D0 detector, including resonance searches and decay property measurements, all consistent with the Standard Model.
Contribution
It presents four updated or new results from D0, focusing on top production and decay properties, with no deviations from the Standard Model found.
Findings
No deviation from Standard Model in top decay measurements
Searches for heavy resonances decaying to top-antitop were conducted
Top production and decay properties are consistent with predictions
Abstract
This review is focused on the search for new processes, performed with top quark events in D{\O}. It presents four updated or new D{\O} 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 helicity as a probe of the coupling structure, and the top quark branching ratio to . Neither of these measurements reveal any deviation with respect to the standard model predictions.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research