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Associated production of a Kaluza-Klein excitation of a gluon with a t(t)over-bar pair at the LHC
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
2008 (English)In: Physics Letters B, ISSN 0370-2693, Vol. 666, no 4, 347-351 p.Article in journal (Refereed) Published
Abstract [en]

In certain model-realizations of the Randall-Sundrum scenario, the Kaluza-Klein (KK) excitations of the gluon, g(KK) have enhanced couplings to right-handed top quarks. In the absence of a ggg(KK) coupling in these models, the single production of a g(KK) from an initial gg state is not possible. The search for other production mechanisms at the LHC. therefore, becomes important. We suggest that the associated production of a g(KK) with a t (t) over bar pair is such a mechanism. Our parton-level study, which neglects detection efficiencies, shows that through this process the LHC can probe KK gluon masses in the range of 2.8-3.0 TeV.

Place, publisher, year, edition, pages
2008. Vol. 666, no 4, 347-351 p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-107847DOI: 10.1016/j.physletb.2008.07.085ISI: 000259774000013OAI: oai:DiVA.org:uu-107847DiVA: diva2:233316
Available from: 2009-08-31 Created: 2009-08-31 Last updated: 2009-08-31Bibliographically approved

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