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- W40520223 abstract "The FOCUS experiment is designed to investigate charm particle decays. These charm particles are produced by the interaction of a photon beam with an average energy of 175 GeV on a BeO target and travel an average of few millimeters before decaying in the spectrometer. By reconstructing the daughters from the decay, we can infer properties of the charm particles. Semileptonic decays have been used to measure many CKM matrix elements. These decays are interesting due to the simplicity of their theoretical description but they are experimentally challenging due to the fact that a neutrino is not detected. Analysis of semileptonic decays in the charm sector are of great interest because they provide an excellent environment to test and to calibrate theoretical calculation that can be implemented in the determination of poorly known matrix elements such as Vub. In this thesis we report an analysis of the decays D0 → π-μ+v and D0 → K- μ+v. We measure the relative branching ratio as well as the ratio of the form factors f$πatop{+}$0)/f$Katop{+}$(0). Using a weighting technique, we further report a parametric analysis of the q2 dependence for both the decay modes measuring the pole masses. For the decay D0 → K-μ+v, we report on the form factor ratio f$Katop{-}$(0)/f$Katop{+}$(0). Finally, they report a non-parametric study of the q2 dependence of the form factor for the decay D0 → K- μ+v." @default.
- W40520223 created "2016-06-24" @default.
- W40520223 creator A5084733349 @default.
- W40520223 date "2004-01-01" @default.
- W40520223 modified "2023-09-27" @default.
- W40520223 title "Pseudoscalar Semileptonic Decays of the D<sup>0</sup> Meson" @default.
- W40520223 cites W1647471781 @default.
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- W40520223 doi "https://doi.org/10.2172/15020200" @default.
- W40520223 hasPublicationYear "2004" @default.
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