May 26, 2023 Doctoral Dissertation Open Access

Wieland, Sebastian

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    <subfield code="a">&lt;p&gt;A search for Dark Matter produced in association with a single top quark with the CMS experiment was performed.&lt;br&gt;
Two analysis channels are considered, depending on the decay of the top quark.&amp;nbsp;&lt;br&gt;
The leptonic analysis channels the transverse mass as a kinematic variable to distinguish the signal from the Standard Model backgrounds.&amp;nbsp;&lt;br&gt;
The hadronic analysis channel&amp;nbsp;utilizes the hadronic recoil and a sophisticated statistical model in which the main backgrounds are determined in a data-driven way via transfer factors.&lt;br&gt;
No significant deviations from the Standard Model expectations&amp;nbsp;were observed.&lt;br&gt;
Consequently, exclusion limits on parameters of the theoretical Dark Matter model were set.&amp;nbsp;&lt;/p&gt;</subfield>
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    <subfield code="a">Search for Dark Matter produced in association with a top quark in hadronic and leptonic final states with the CMS experiment</subfield>
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    <subfield code="a">Prof. Dr. Ulrich Husemann</subfield>
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    <subfield code="a">Prof. Dr. Günter Quast</subfield>
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