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Search for a new light particle produced in association with a top quark pair with the ATLAS Detector
This thesis presents the first dedicated search for a new light pseudoscalar particle decaying into a pair of muons, and produced in association with a top quark pair. Pseudoscalars are well motivated phenomenologically in various theories beyond the Standard Model of particle physics, such as 2HDM+...
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| Lenguaje: | eng |
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2023
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| Acceso en línea: | http://cds.cern.ch/record/2857385 |