Investigating the Differences Between Truth Level and Reconstructed Particles in Simulations of the ATLAS Detector
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Date
2024-05
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The Ohio State University
Abstract
The goal of this study is to investigate the differences between truth level and reconstruction level particles in the full ATLAS detector simulations of proton-proton collisions with center of mass energy of 13.6 TeV resulting in decay of a dark matter mediator particle into a dijet with an initial state photon. It can be confirmed that quarks resulting from the decay of a hypothetical Z’ boson of mass 125 GeV are most often mapped to the Leading and Subleading jets in an event. Quarks were never seen overlapping into the same jet when all cuts were applied to data,and the data does not appear to be biased by selection cuts. A considerable number of quarks are not mapped to any jet within the event; this is a question that must be addressed in future work, and may contain cases of jet overlap.
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Keywords
ATLAS, Particle Physics, Dark Matter, Particle Accelerators