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Constraints on R-parity violating couplings from LEP/SLD hadronic observables
Oleg Lebedev, Will Loinaz, Tatsu Takeuchi
We analyze the one loop corrections to hadronic Z decays in an R-parity violating extension to the Minimal Supersymmetric Standard Model (MSSM). Performing a global fit to all the…
Constraints on R-parity violating couplings from lepton universality
Oleg Lebedev, Will Loinaz, Tatsu Takeuchi
We analyze the one loop corrections to leptonic W and Z decays in an R-parity violating extension to the Minimal Supersymmetric Standard Model (MSSM). We find that lepton universal…
Precision Tests of Electroweak Physics
Tatsu Takeuchi, Will Loinaz, Aaron K. Grant
We review the current status of precision electroweak measurements and the constraints they impose on new physics. We perform a model independent analysis using the STU-formalism o…
Charge assignments in multiple-U(1) gauge theories
Will Loinaz, Tatsu Takeuchi
We discuss the choice of gauge field basis in multiple-U(1) gauge theories. We find that there is a preferred basis, specified by the charge orthogonality condition, in which the U…