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Probing two universal extra dimension model with leptons and photons at the LHC and ILC

2008/09/30 by Kirtiman Ghosh · 10 citations
Computer Science · Physics and Astronomy · #Computational Physics and Python Applications #Electroweak interaction #Gauge boson #Large Hadron Collider #Lepton #Missing energy #Neutrino Physics Research #Particle physics theoretical and experimental studies #Physics beyond the Standard Model #Standard Model (mathematical formulation) #Universal extra dimension #hep-ph

paper · pdf · doi:10.1088/1126-6708/2009/04/049

published in Journal of High Energy Physics 2009(04), 049 (Springer Nature) · 17 pages, 10 figures,Revised version: Minor changes and typos corrected. Refs added. JHEP Version

openalex publication_date 2009/04/14 · arxiv created 2009/04/21 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

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 5σ 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 5σ standard deviation of the Standard Model background almost upto the kinematic limit of the collider.

Citations