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  The mysteries of Leptons : new physics and unexplained phenomena

Merle, A. (2009). The mysteries of Leptons: new physics and unexplained phenomena. PhD Thesis, Ruprecht-Karls Universität, Heidelberg.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-7374-3 Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-7377-E
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 Urheber:
Merle, Alexander1, Autor           
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1Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society, ou_904549              

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 Zusammenfassung: This doctoral thesis deals with the mysteries of the leptonic sector of the Standard Model of Elementary Particle Physics. After giving a short overview about the Standard Model itself, the text starts with introducing the so-called “GSI anomaly”, the observation of a periodic modulation of the exponential decay law, which is still unexplained and has erroneously been attributed to neutrino oscillations. It is argued why this interpretation is incorrect and several further aspects of the phenomenon are discussed. Afterwards two topics of New Physics beyond the Standard Model are treated, double beta processes and lepton flavour violation. Some important phenomenological aspects of the former are discussed before performing a detailed calculation of the radiative process of neutrino-less double electron capture. In spite of the tiny rates, a detailed understanding of this process is important for setting proper experimental limits. The last part of the thesis starts with very general (and nearly model-independent) constraints for lepton flavour conservation, before discussing the interplay of structure and freedom in the Yukawa sector when a model is confronted with phenomenology. We also comment on a new mechanism that can indeed introduce some realistic structures leading to lepton flavour violating effects.

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Sprache(n): eng - English
 Datum: 2009-12-09
 Publikationsstatus: Angenommen
 Seiten: 132 S. : Ill., graph. Darst.
 Ort, Verlag, Ausgabe: Heidelberg : Ruprecht-Karls Universität
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: eDoc: 440826
 Art des Abschluß: Doktorarbeit

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