February 22, 2026 Bachelor Thesis Open Access

Colella, Fee

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        "affiliation": "KIT/ETP", 
        "name": "Colella, Fee"
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    "description": "<p>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 &pi;\u2070 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.</p>", 
    "keywords": [
      "ECL", 
      "Data Quality Monitoring", 
      "Beam-Induced Background"
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    "language": "eng", 
    "publication_date": "2026-02-22", 
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      "report_number": "ETP-BACHELOR-KA/2026-01", 
      "supervisors": [
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          "affiliation": "KIT/ETP", 
          "name": "Ferber, Torben"
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          "affiliation": "KIT/ETP", 
          "name": "Haide, Isabel"
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    "title": "Data Quality Monitoring for Different Beam Background Levels in the Belle II Calorimeter"
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