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Electroweak Limits on General New Vector Bosons

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arxiv 1005.3998 v3 pith:NBAEMFWT submitted 2010-05-21 hep-ph

F. del Aguila , J. de Blas , M. Perez-Victoria This is my paper · ORCID
classification hep-ph
keywords couplingsextravectorsbosonselectroweakgenerallimitsmass
verification ladder T0 review T1 audit T2 compute T3 formal
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We study extensions of the Standard Model with general new vector bosons. The full Standard Model gauge symmetry is used to classify the extra vectors and constrain their couplings. We derive the corresponding effective Lagrangian, valid at energies lower than the mass of the extra vectors, and use it to extract limits from electroweak precision observables, including LEP 2 data. We consider both universal and nonuniversal couplings to fermions. We study the interplay of several extra vectors, which can have the effect of opening new regions in parameter space. In particular, it allows to explain the anomaly in the bottom forward-backward asymmetry with perturbative couplings. Finally, we analyze quantitatively the implications for the Higgs mass.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Combination of searches for heavy vector boson resonances in proton-proton collisions at $\sqrt{s}$ = 13 TeV

    hep-ex 2026-01 conditional novelty 6.0 of 10

    A CMS combination of searches finds no heavy vector boson resonance and excludes HVT W′/Z′ bosons below 5.5 TeV (weak coupling), 4.8 TeV (strong coupling), and 2.0 TeV for VBF production at 95% CL.

  2. Phenomenology of Leptophilic Gauge Interactions at Future $e^+e^-$ Colliders

    hep-ph 2026-07 unverdicted novelty 5.0 of 10

    Interference-driven forward-backward asymmetry at FCC-ee, CEPC, ILC, and CLIC can probe leptophilic Z_ℓ beyond LEP contact bounds, with circular and linear machines covering complementary (M,g) regions.

  3. Searching for the Leptophilic Gauge Boson Z$_{l}$ at Future $e^{+}e^{-}$ Colliders

    hep-ph 2025-08 conditional novelty 4.0 of 10

    A parton-level projection shows FCC-ee and CEPC can discover a leptophilic Z' down to g_l about 10^-4, while ILC and CLIC extend the search to TeV-scale masses.

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