February 22, 2026 Bachelor Thesis Open Access

Colella, Fee

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  <dc:creator>Colella, Fee</dc:creator>
  <dc:date>2026-02-22</dc:date>
  <dc:description>This thesis presents a systematic investigation of beam-induced background effects in the electromagnetic calorimeter of the Belle II experiment, focusing on how machine conditions propagate to detector observables and reconstructed physics quantities. By correlating trigger-level observables with the π⁰ mass resolution, the study demonstrates that the mean number of out-of-time crystals and the time since last injection jointly provide a robust characterization of background conditions and their impact on data quality. These results establish that trigger-level information can serve as an early diagnostic of physics performance and provide guidance for optimizing detector operation under high-luminosity conditions.</dc:description>
  <dc:identifier>https://publish.etp.kit.edu/record/22415</dc:identifier>
  <dc:identifier>oai:publish.etp.kit.edu:22415</dc:identifier>
  <dc:language>eng</dc:language>
  <dc:relation>url:https://publish.etp.kit.edu/communities/belle2</dc:relation>
  <dc:relation>url:https://publish.etp.kit.edu/communities/etp</dc:relation>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:subject>ECL</dc:subject>
  <dc:subject>Data Quality Monitoring</dc:subject>
  <dc:subject>Beam-Induced Background</dc:subject>
  <dc:title>Data Quality Monitoring for Different Beam Background Levels in the Belle II Calorimeter</dc:title>
  <dc:type>info:eu-repo/semantics/bachelorThesis</dc:type>
  <dc:type>thesis-bachelor-thesis</dc:type>
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