Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 14 of 14 for “"R-Parity"”.
-
Search for Squark Production in R-Parity Violating Supersymmetry at HERA
… squarks in supersymmetric models which allow R-parity violation. Electron-proton and positron-proton collisions taken at a centre of mass energy of 320 GeV have been investigated using the H1 detector at HERA. No deviation from the Standard Model has been found and exclusion limits in various …
-
Search for R-parity violating supersymmetry in multilepton final states with the DŸ detector
… e-e-tau and interpreted in the framework of R-parity violating Supersymmetry. Pairwise, R-parity conserving production of the supersymmetric particles is assumed, followed by R-parity violating decays via an LLE-operator with one dominant coupling lambda_122. An LLE-operator couples two weak …
-
Search For Trilepton Resonances From R-Parity Violating Chargino Decays In The B−l Mssm
… Supersymmetric Standard Model with spontaneous R-parity violation. The chargino and neutralino each decay via R-parity violating couplings to a charged lepton or neutrino and a W, Z, or Higgs boson. This analysis searches for resonances in the trilepton invariant mass spectrum, targeting events …
-
A Search For Wino Pair Production With B − L R-Parity Violating Chargino Decay To A Trilepton Resonance With The Atlas Experiment
… that these superpartners will have small R-parity violating couplings and the lightest superpartner will therefore decay to Standard Model particles. Two searches are presented for pair production of scalar top quarks (stops) which subsequently decay to a b-quark and a charged lepton. Limits …
-
Constraints on New Physics from Neutrino and Other Particle Experiments
… we discuss what constraints can be placed on R-parity violating SUSY from these experiments. To complete our analysis, we update the single-coupling bounds on R-parity violating supersymmetry using the most up to date data as of October 2009. In addition to the data listed in the latest Review …
-
New Tools In The Search For Supersymmetry
… boosted top tagging to look for signals of R-parity conserving supersymmetry. Then we use other jet substructure techniques to look for signals of Rparity violating supersymmetry. Lastly, we use the SUSY-Yukawa sum rule to look beyond the phenomenology and probe the crucial cancellation of …
-
Searching for long-lived particles Beyond the Standard Model with displaced vertex signatures using the ATLAS detector: Not all hopes for new physics die immediately
… best limits in this lifetime range to date on R-parity violating supersymmetry models. The second analysis uses a similar strategy, but using missing transverse energy as the trigger. This improves upon the early Run 2 2016-data search with an updated analysis strategy and a new vertexing …
-
Searches for new physics with the ATLAS experiment
… final state. Models of supersymmetry with an R-parity-violating $\lambda'_{231}$ coupling are taken as motivation. The strategy is developed using collision data recorded by ATLAS in 2015 and 2016, and the most significant biasing effects are addressed.
-
Resonant second generation slepton production at the tevatron
In this thesis a search for R-parity violating supersymmetry is presented. Two different approaches, determined by the event topologies, are chosen to search for resonant slepton production and for the pair and associated production of gauginos. To the resonant slepton production three different …
-
Holly Pacey and the Half-Spin Particles: Searching for new physics with leptons at the ATLAS experiment
… LHC for single-production of a smuon within an R-parity violating supersymmetry model with the λ'₂₃₁ coupling switched on, excluding left-handed smuons up to 1.2 TeV for neutralino masses below the top quark mass and λ'₂₃₁ couplings up to one. It also interprets results in a scalar leptoquark …
-
Constraints on New Physics from Various Neutrino Experiments
… containing various types of leptoquarks, R-parity violating SUSY, and extended Higgs sector models. In several cases, we find that the limits thus obtained could be competitive with those expected from direct searches at the LHC. In the event that any of the particles discussed here are …
-
Suche nach R-paritätsverletzenden Zerfällen supersymmetrischer Teilchen in Endzuständen mit Jets und Leptonen mit dem OPAL-Detektor bei LEP
Von allen in den Jahren 1998 bis 2000 mit dem OPAL-Detektor am <br>e+e--Speicherring LEP am CERN aufgenommenen Daten wurden jene Ereignisse untersucht, in <br>denen geladene Leptonen und hadronische Jets nachgewiesen wurden. Dabei wurde nach Anzeichen für spezielle Zerfälle neuer Teilchen gesucht. …
-
Space qualification of the transition radiation detector of the AMS-02 experiment and indirect search for dark matter
… particle (LSP), which is stable if R-parity is conserved. In supersymmetric models inspired by supergravity, the commonly accepted LSP candidate is the lightest neutralino which is a neutral and weakly interacting massive particle. It is a viable candidate for dark matter since the …
-
Suche nach dem Higgs-Boson in hadronischen Endzuständen mit fehlender Energie am L3-Experiment bei LEP
… of the lightest neutralino chi01, which in R-parity conserving models is a candidate for the Lightest Supersymmetric Particle (LSP). In this case two jets and missing energy are expected too, only this time the Z boson decays hadronically and the Higgs particle invisibly, vice versa to the …