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4 papers · 2 filters
Flavor Changing Effects in Family Nonuniversal Z' Models
Cheng-Wei Chiang, N. G. Deshpande, J. Jiang
Flavor-changing and CP-violating interactions of Z' to fermions are generally present in models with extra U(1) gauge symmetry that are string-inspired or related to broken gauged…
Flavor Changing Higgs Decays in Supersymmetry with Minimal Flavor Violation
Abdesslam Arhrib, Dilip K. Ghosh, Otto C. W. Kong +1
We study the flavor changing neutral current decays of the MSSM Higgs bosons into strange and bottom quarks. We focus on a scenario of minimum flavor violation here, namely only th…
Constraints on flavor-changing Z' models by B_s mixing, Z' production, and B_s -> μ^+ μ^-
Kingman Cheung, Cheng-Wei Chiang, N. G. Deshpande +1
Certain string-inspired Z' models have non-universal interactions to three families of fermions and induced tree-level flavor-changing couplings. We use recent results on B_s-anti-…
Single Top-Quark Production in Flavor-Changing Z' Models
Abdesslam Arhrib, Kingman Cheung, Cheng-Wei Chiang +1
In some models with an extra U(1) gauge boson Z', the gauge couplings of the Z' to different generations of fermions may not be universal. Flavor mixing in general can be induced a…