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Abstract
We study the physics potential of the 8 TeV LHC (LHC-8) to discover, during its 2012 run, a large class of extended gauge models or extradimensional models whose low-energy behavior is well represented by an $SU(2{)}^{2}\ensuremath{\bigotimes}U(1)$ gauge structure. We analyze this class of models and find that, with a combined integrated luminosity of $40--60\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ at the LHC-8, the first new Kaluza-Klein mode of the $W$ gauge boson can be discovered up to a mass of about 370--400 GeV when produced in association with a $Z$ boson.
Highlights
R R By the end of 2011 the LHC, running at a center of mass energy of 7 TeV, had accumulated an O integrated luminosity of about 5 fb−1 from both the ATLAS and CMS experiments [1]
PY IO We study the physics potential of the 8 TeV LHC (LHC-8) to discover, during its 2012 T run, a large class of extended gauge models or extra dimensional models whose low energy O U behavior is well represented by an SU (2)2 ⊗ U (1) gauge structure
The Higgsless models [2, 3] contain new spin-1 gauge bosons which play a key role in electroweak symmetry breaking (EWSB) by delaying unitarity violation of longitudinal weak boson scattering up to a higher ultraviolet (UV) scale [4] without invoking a fundamental
Summary
R R By the end of 2011 the LHC, running at a center of mass energy of 7 TeV, had accumulated an O integrated luminosity of about 5 fb−1 from both the ATLAS and CMS experiments [1]. The effective UV completion of the minimal three-site Higgsless model [5] was presented and studied in [6] which showed that the latest LHC signals of a Higgs-like state with mass around 125 − 126 GeV [7] can be readily explained, in addition to the signals of new spin-1 gauge bosons studied in the present paper. We explore the physics potential of the LHC-8 to discover a relatively light fermiophobic electroweak gauge boson W1 with mass 250−400 GeV, as predicted by the minimal three-site moose model [5] and its UV completion [6]. Since our current phenomenological study ( section) just focuses on the detection of spin-1 new gauge bosons in the MLMM, the radial Higgs excitations included in the Lagrangian (4) do not √. We included both the first and second generation quarks in the protons and jets, and both electrons and muons in the final-state leptons
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