December 10, 2021 Master Thesis Open Access

Frank, Laura

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        "affiliation": "KIT/ETP", 
        "name": "Frank, Laura"
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    "description": "<p>The ${e^+e^-}$ collider experiment Belle II at the SuperKEKB accelerator in Japan produces charged and neutral B-meson pairs whose decays offer a great variety of analyses including the rare decay $B^+ \\to \\ell^+ \\nu_{\\ell} \\gamma$. Although no B-factory has yet to observe this decay, the existing measurements provide an important limit on the first inverse momentum $\\lambda_{\\mathrm{B}}$ of the light-cone distribution amplitude (LCDA) of the B-meson. This thesis presents a simultaneous analysis of $B^+ \\to \\ell^+ \\nu_{\\ell} \\gamma$ and $B^+ \\to \\pi^0 \\ell^+ \\nu_{\\ell}$ decays with the Full Event Interpretation tagging algorithm. The analysis is validated with a Belle II data set according to an integrated luminosity of $\\mathcal{L}=63.25 fb^{-1}$.</p>", 
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      "subtype": "master-thesis", 
      "title": "Master Thesis", 
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    "thesis": {
      "report_number": "ETP-KA/2021-17", 
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          "affiliation": "KIT/ETP", 
          "name": "Ferber, Torben"
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        {
          "affiliation": "KIT/ETP", 
          "name": "Quast, G\u00fcnter"
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      ]
    }, 
    "title": "Search for the Rare Decay $B^+ \\to \\ell^+ \\nu_{\\ell} \\gamma$ with the Full Event Interpretation at the Belle II Experiment"
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