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Nominated as an outstanding Ph.D. thesis by Karlsruhe Institute of Technology, Germany
Presents a nine-dimensional maximum likelihood fit with multivariate dependencies
Fully explained four-body final state amplitude analysis
Includes methods to speed-up numeric integrations in amplitude analysis
This thesis describes the thorough analysis of the rare B meson decay into ϕ K* on data taken by the Belle Collaboration at the B-meson-factory KEKB over 10 years. This reaction is very interesting, because it in principle allows the observation of CP-violation effects. In the Standard Model however, no CP violation in this reaction is expected. An observation of CP asymmetries thus immediately implies new physics. This thesis presents an amplitude analysis of this decay and the search for CP violation in detail and discusses methods to solve related problems: The quantification of multivariate dependence and the improvement of numeric evaluation speed of normalization integrals in amplitude analysis. In addition it provides an overview of the theory, experimental setup, (blind) statistical data analysis and estimation of systematic uncertainties.
Content Level »Research
Keywords »Belle Experiment - CP Asymmetry - CP Violation - Decay Amplitude Analysis - Multivariate Analysis of Decay Data - Physics Beyond the Standard Model - Rare B Meson Decay - Speed-up of Numerical Integration