October 31, 2022 Bachelor Thesis Open Access

Lelyakin, Sergey

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    <subfield code="a">&lt;p&gt;The objective of this thesis is to investigate the degree to which Delphes is usable as a substitution for GEANT, specifically in the case of tt+X events. This is done by attempting to produce simulated data using Delphes which is as close as possible to existing&amp;nbsp;simulations made using GEANT. In the first part, the used simulation tools are reviewed and a&amp;nbsp;workflow which isolates the effect of varying the detector level simulation is devised. In the latter part, deviations between the GEANT-based results and the Delphes-based results are investigated, and an attempt is made to determine their origin and to mitigate them by adjusting the Delphes configuartion. By comparing the deviation between Delphes&amp;nbsp;and GEANT across simulations of different parton level processes (ttbb, ttH and ttZ), the universality of the findings is gauged.&lt;br&gt;
&lt;br&gt;
A repository with relevant code and configuration files exists under&amp;nbsp;&lt;a href="https://gitlab.etp.kit.edu/cn-cms/ttx-delphes/"&gt;https://gitlab.etp.kit.edu/cn-cms/ttx-delphes/&lt;/a&gt;.&lt;/p&gt;</subfield>
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