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Universal Torsion Induced Interaction from Large Extra Dimensions
Tatsu Takeuchi, Lay Nam Chang, Oleg Lebedev +1
We consider a model with extra compact dimensions in which only gravity exists in the 4+n dimensional bulk. If the gravitational connection is not assumed to be symmetric, that is,…
Constraints on Gauged B-3L_tau and Related Theories
Lay Nam Chang, Oleg Lebedev, Will Loinaz +1
We consider extensions of the Standard Model with an extra U(1) gauge boson which couples to B-(alpha L_e + beta L_mu + gamma L_tau) with alpha + beta + gamma = 3. We show that the…
Constraints on R-parity Violation from Precision Electroweak Measurements
Tatsu Takeuchi, Oleg Lebedev, Will Loinaz
We constrain the size of R-parity violating couplings using precision electroweak data.
Constraining New Physics with Vertex Corrections
Tatsu Takeuchi, Oleg Lebedev, Will Loinaz
We discuss how new physics not encompassed within the STU oblique correction framework can be constrained from precision electroweak measurements via vertex corrections to Z-pole o…
Universal Torsion-Induced Interaction from Large Extra Dimensions
Lay Nam Chang, Oleg Lebedev, Will Loinaz +1
We consider the Kaluza-Klein (KK) scenario in which only gravity exists in the bulk. Without the assumption of symmetric connection, the presence of brane fermions induces torsion.…
Constraints on Two-Higgs Doublet Models at Large tan{beta} from W and Z decays
Oleg Lebedev, Will Loinaz, Tatsu Takeuchi
We study constraints on type-II two Higgs doublet models at large tan{beta} from LEP/SLD Z-pole data and from lepton universality violation in W decay. We perform a global fit and…