Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-09-10
JHEP 0904:049,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
17 pages, 10 figures,Revised version: Minor changes and typos corrected. Refs added. JHEP Version
Scientific paper
10.1088/1126-6708/2009/04/049
We discuss the collider signatures of electroweak (1,0)-mode excitations in the framework of two universal extra dimension (2UED) at the LHC and ILC. In general, pair production of electroweak (1,0)-mode particles of 2UED gives rise to multi lepton plus missing transverse momentum signal. Upto 1/R = 400 GeV two lepton plus missing transverse momentum signal and upto 1/R = 600 GeV three lepton plus missing transverse momentum signal stands over the $5\sigma$ standard deviation of the Standard Model background at the LHC with $100 fb^{-1}$ integrated luminosity. At ILC we study single photon plus missing energy signal from the production of U(1) gauge boson in association with a U(1) spinless adjoint. With proper choice of beam polarization, signal strength is greater than $5\sigma$ standard deviation of the Standard Model background almost upto the kinematic limit of the collider.
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