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-0.009 -0.014 -0.005 -0.000 0.002 -0.046 (15) Market-to-book ratio 0.000 -0.001 -0.006 -0.001 0.000 0.002 -0.005 0.006 -0.002 0.000 -0.019 0.014 (16) ROA 0.043 -0.018 -0.012 -0.013 0.001 0.021 0.042 0.057 [...] 010 0.006 0.020 -0.034 -0.060 0.006 0.018 -0.096 1.000 (13) Cash flow 0.002 -0.074 0.040 -0.014 -0.018 0.016 -0.112 -0.169 -0.007 0.008 0.411 -0.065 (14) Solvency 0.001 -0.010 -0.003 -0.001 0.002 -0.009 -0 [...] 057 -0.023 -0.039 -0.001 -0.302 (17) Market value -0.000 0.005 0.001 0.001 -0.003 -0.004 -0.001 0.026 0.002 0.000 -0.019 -0.022 (18) Tobinôs Q -0.005 -0.024 0.067 0.003 -0.014 0.018 -0.039 -0.078 0.005 …

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Search for new physics in rare decays of 𝑩 mesons at the LHCb experiment

10.17877/DE290R-22917 Diese Arbeit präsentiert Suchen nach den rein leptonischen Zerfällen Bs0 → e+e- und B0 → e+e-, ebenso wie den leptonfamilienzahlverletzenden Zerfällen B+ → K+ e+ μ-. Da diese Zerfälle [...] Physik jenseits des Standardmodells Einschränkungen aufzuerlegen. Die Suche nach den Zerfällen Bs0 → e+e- und B0 → e+e- nutzt Daten, welche vom LHCb Experiment in den Jahren 2011, 2012, 2015 und 2016 aufgezeichnet [...] Zerfällen dar. Die bestimmten oberen Ausschlussgrenzen auf die Verzweigungsverhältnisse von Bs0 → e+e- und B0 → e+e- liegen in der Größenordnung O(10-8), was die vorhergegangenen Ausschlussgrenzen um einen …

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