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Search for the production of Dark Matter in hadronic mono-top signatures with the CMS experiment

Waßmer, Michael

Abstract (englisch):
A search for the production of Dark Matter in hadronic mono-top signatures using data recorded by the CMS experiment in the years from 2016 to 2018 is presented. First, the analysis strategy is defined relying on the existence of large missing transverse momentum and a large-radius jet. The underlying theoretical model is then studied in order to validate the analysis strategy. Consequently, the modeling of the production of single vector bosons in association with additional jets is studied in detail because of its importance regarding the background model of this analysis. Corrections based on available state-of-the-art theoretical calculations are derived in order to improve the modeling of the aforementioned processes and these corrections are compared to alternative corrections based on Monte Carlo simulation. Next, the data analysis and its technical details are explained. Then, a statistical model is built estimating the major background processes utilizing data from control regions. Finally, a statistical hypothesis test combined with parameter estimation is performed in order to search for possible signal contributions in data. ... mehr

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Volltext §
DOI: 10.5445/IR/1000129768
Veröffentlicht am 18.03.2021
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Experimentelle Teilchenphysik (ETP)
Publikationstyp Hochschulschrift
Publikationsdatum 18.03.2021
Sprache Englisch
Identifikator KITopen-ID: 1000129768
Verlag Karlsruher Institut für Technologie (KIT)
Umfang vi, 247 S.
Art der Arbeit Dissertation
Fakultät Fakultät für Physik (PHYSIK)
Institut Institut für Experimentelle Teilchenphysik (ETP)
Prüfungsdatum 11.12.2020
Referent/Betreuer Prof. U. Husemann
KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft
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