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28 March 2024
 
  » arxiv » 1006.5019

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Hidden Extra U(1) at the Electroweak/TeV Scale
B. N. Grossmann ; B. McElrath ; S. Nandi ; Santosh Kumar Rai ;
Date 25 Jun 2010
AbstractWe propose a simple extension of the Standard Model (SM) by adding an extra U(1) symmetry which is hidden from the SM sector. Such a hidden U(1) has not been considered before, and its existence at the TeV scale can be explored at the LHC. This hidden U(1) does not couple directly to the SM particles, and couples only to new SU(2)_L singlet exotic quarks and singlet Higgs bosons, and is broken at the TeV scale. The dominant signals at the high energy hadron colliders are multi lepton and multi b-jet final states with or without missing energy. We calculate the signal rates as well as the corresponding Standard Model background for these final states. A very distinctive signal is 6 high p_T b-jets in the final state with no missing energy. For a wide range of the exotic quarks masses the signals are observable above the background at the LHC.
Source arXiv, 1006.5019
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