Student seminars

#StudentSeminar: Searches for new physics in processes involving top quarks with the ATLAS experiment.

by Josep Navarro González (Institut de Física Corpuscular (IFIC) - CSIC/UV)

1001-Primera-1-1-1 - Paterna. Seminario (Universe)

1001-Primera-1-1-1 - Paterna. Seminario



Despite its success in predicting the phenomenology of fundamental particle physics, the Standard Model is still far from being considered a complete description of nature at the smallest length scales due to experimental observations such as the evidence for Dark Matter and theoretical arguments, one of these being the hierarchy problem in the Higgs sector. The top quark, being the heaviest fundamental particle in the SM, plays an important role in the resolution of these questions in the context of many Beyond the Standard Model extensions. This seminar focuses on the mono-top experimental signature and presents different searches for an excess of events with respect to the SM prediction in which a single top quark is produced in association with a significant amount of missing transverse energy. These searches use 139 fb^{-1} of proton--proton collision data at a centre-of-mass energy of \sqrt{s}=13 TeV recorded during 2015-2018 by the ATLAS detector at the Large Hadron Collider.

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