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Bounds on Flavor Gauge Bosons from Precision Electroweak Data
High Energy Physics - Phenomenology · Submitted 8 Jun 1999
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim The 95% exclusion limits on the mass of the heavy gauge bosons for these models, at their critical coupling for chiral symmetry breaking, typically lie between 1-3 TeV.
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The abstract, sentence by sentence
Gauged flavor symmetries at low energies have been proposed in models of dynamical electroweak symmetry breaking and fermion mass generation. The massive flavor gauge bosons give rise to corrections to precisely measured electroweak quantities. We perform a fit to collider electroweak data and place indirect limits on such new physics. In particular we study several models from the literature: universal coloron; chiral top color; chiral, quark family symmetry; SU(9) and SU(12) chiral, flavor symmetry. The 95% exclusion limits on the mass of the heavy gauge bosons for these models, at their critical coupling for chiral symmetry breaking, typically lie between 1-3 TeV. We discuss the robustness of these bounds with respect to changes in higgs mass, b-quark asymmetry data, the SLD left right asymmetry data, or additional new physics.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Gauged flavor symmetries at low energies have been proposed in models of dynamical electroweak symmetry breaking and fermion mass generation. | background 1.00 | 0.03 | 0.02 | asserted 0.80 |
| s1 | The massive flavor gauge bosons give rise to corrections to precisely measured electroweak quantities. | background 1.00 | 0.08 | 0.03 | asserted 1.00 |
| s2 | We perform a fit to collider electroweak data and place indirect limits on such new physics. | contribution 0.73 | 0.96 | 0.09 | asserted 1.00 |
| s3 | In particular we study several models from the literature: universal coloron; chiral top color; chiral, quark family symmetry; SU(9) and SU(12) chiral, flavor symmetry. | contribution 0.62 | 0.50 | 0.03 | asserted 0.95 |
| s4 | The 95% exclusion limits on the mass of the heavy gauge bosons for these models, at their critical coupling for chiral symmetry breaking, typically lie between 1-3 TeV. | result 1.00 | 0.90 | 0.82 | asserted 0.95 |
| s5 | We discuss the robustness of these bounds with respect to changes in higgs mass, b-quark asymmetry data, the SLD left right asymmetry data, or additional new physics. | contribution 0.68 | 0.75 | 0.06 | unclear 0.51 |
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Original abstract
Gauged flavor symmetries at low energies have been proposed in models of dynamical electroweak symmetry breaking and fermion mass generation. The massive flavor gauge bosons give rise to corrections to precisely measured electroweak quantities. We perform a fit to collider electroweak data and place indirect limits on such new physics. In particular we study several models from the literature: universal coloron; chiral top color; chiral, quark family symmetry; SU(9) and SU(12) chiral, flavor symmetry. The 95% exclusion limits on the mass of the heavy gauge bosons for these models, at their critical coupling for chiral symmetry breaking, typically lie between 1-3 TeV. We discuss the robustness of these bounds with respect to changes in higgs mass, b-quark asymmetry data, the SLD left right asymmetry data, or additional new physics.
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3 arXiv papers cite this in 3 sentences
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What concerns $T$, our leading-logarithmic result agrees with the one presented in [ref] , while the expression for $S$ is, to the best of our knowledge, new.
Massive Color-Octet Bosons: Bounds on Effects in Top-Quark Pair Production · Precision Measurements · 1.00
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