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Strong Electroweak Symmetry Breaking and Spin-0 Resonances

Jared Evans and Markus A. Luty
Phys. Rev. Lett. 103, 101801 – Published 31 August 2009
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Abstract

We argue that theories of the strong electroweak symmetry breaking sector necessarily contain new spin 0 states at the TeV scale in the t¯t and t¯b/b¯t channels, even if the third generation quarks are not composite at the TeV scale. These states couple sufficiently strongly to third generation quarks to have significant production at LHC via ggφ0 or gbtφ. The existence of narrow resonances in QCD suggests that the strong electroweak breaking sector contains narrow resonances that decay to t¯t or t¯b/b¯t, with potentially significant branching fractions to 3 or more longitudinal W and Z bosons. These may give new “smoking gun” signals of strong electroweak symmetry breaking.

  • Figure
  • Received 30 April 2009

DOI:https://doi.org/10.1103/PhysRevLett.103.101801

©2009 American Physical Society

Synopsis

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Strongly broken symmetry

Published 31 August 2009

New particles decaying to the heaviest elementary particles might reveal the nature of electroweak symmetry breaking.

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Authors & Affiliations

Jared Evans* and Markus A. Luty

  • Physics Department, University of California Davis, Davis, California 95616

  • *jaevans@ucdavis.edu
  • luty@physics.ucdavis.edu

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Issue

Vol. 103, Iss. 10 — 4 September 2009

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