@phdthesis{Wagner2008, author = {Wagner, Alexander}, title = {Production of Sleptons in e¯e¯-Collisions}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-28307}, school = {Universit{\"a}t W{\"u}rzburg}, year = {2008}, abstract = {Supersymmetry is currently the best motivated extension of the Standard Model and will be subject to extensive studies in the upcoming generation of colliders. The e-e- mode would be a straight forward extension to the currently planed International Linear Collider, planned to operate in e+e- mode. The low background in this mode may prove advantageous in the study of CP- and Lepton Flavour Violtation. In this work a CP sensitive observable based on transverse beam polarisation is introduced and the impact of neutralino mixing on the total cross section in cas of non-vanishing CP-violtating phases is studied in representative scenarios including non-GUT scenarios. Additionally, the mixing of sleptons is studied in the context of LFV, an analytical approximation is developed, and possible background free measurements of these effects are investigated.}, subject = {Supersymmetrie}, language = {en} } @phdthesis{Csallner2006, author = {Csallner, Sigrun}, title = {Produktion und Nachweis schwerer Selektronen}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-22433}, school = {Universit{\"a}t W{\"u}rzburg}, year = {2006}, abstract = {Wir studieren die Produktion und den Nachweis von Selektronen mit Massen jenseits der Schwelle zur Paarerzeugung an k{\"u}nftigen Linearbeschleunigern mit Schwerpunktsenergien von 500 GeV und 800 GeV. Hierzu betrachten wir die Produktion von linken und rechten Selektronen in Assoziation mit dem jeweils leichtesten Neutralino oder Chargino durch Elektron-Elektron-, Elektron-Positron- und Elektron-Photon-Streuung im Rahmen des MSSM. Die Produktion durch Elektron-Elektron-Streuung untersuchen wir zus{\"a}tzlich in zwei erweiterten Modellen, dem NMSSM und einem E6-Modell mit einem zus{\"a}tzlichen U(1)-Eichfaktor.}, subject = {Linearbeschleuniger}, language = {de} }