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Contrasting Supersymmetry and Universal Extra Dimensions at the CLIC Multi-TeV e+e- Collider | | Marco Battaglia
; AseshKrishna Datta
; Albert De Roeck
; Kyoungchul Kong
; Konstantin T. Matchev
; | | Date: |
3 Feb 2005 | | Journal: | JHEP 0507 (2005) 033 | | Subject: | hep-ph hep-ex | | Abstract: | Universal extra dimensions and supersymmetry have rather similar experimental signatures at hadron colliders. The proper interpretation of an LHC discovery in either case may therefore require further data from a lepton collider. In this paper we identify methods for discriminating between the two scenarios at the linear collider. We study the processes of Kaluza-Klein muon pair production in universal extra dimensions in parallel to smuon pair production in supersymmetry, accounting for the effects of detector resolution, beam-beam interactions and accelerator induced backgrounds. We find that the angular distributions of the final state muons, the energy spectrum of the radiative return photon and the total cross-section measurement are powerful discriminators between the two models. Accurate determination of the particle masses can be obtained both by a study of the momentum spectrum of the final state leptons and by a scan of the particle pair production thresholds. We also calculate the production rates of various Kaluza-Klein particles and discuss the associated signatures. | | Source: | arXiv, hep-ph/0502041 | | Services: | Forum | Review | PDF | Favorites | |
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