R-Paritäts-verletzende Produktion und Zerfall von Selektronen in Ereignissen mit zwei Elektronen und zwei Jets bei $\sqrt{s}$ = 8 TeV

Presented is the analysis for R parity violating production and decay of a selectron into a final state with two same-sign electrons and two jets. CMS data with √s = 8 TeV and L = 19.7 fb−1 is used. The theoretical basis of this analysis is the cMSSM where the commonly used R parity conservation is replaced by the baryon triality conversation. This allows new lepton number violating coupling constants λ′ijk, so that the resonant production of a selectron is possible via λ′111. The existing limits on λ′111 are set by experimental searches for neutrinoless double-beta decay. Using CMS data this limits can be improved. Up to now there are no results from collider experiments according to this production and decay. This analysis applies a set of selections to separate the signal from background processes. Therefor existing selection criteria are used to select well reconstructed particles. Thereupon cut values for the transverse momenta of the electrons and the missing transverse energy are investigated. By optimising the expected cross section limit, new cut values for these three quantities are proposed. Finally the expected limits on the coupling λ′111 are improved for various parameter points by approximately one order of magnitude.