Tevatron constraint on the Kaluza-Klein gluon of the Bulk Randall-Sundrum model | Zendy

Manoranjan Guchait | Zendy; F. Mahmoudi | Zendy; K. Sridhar | Zendy

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Tevatron constraint on the Kaluza-Klein gluon of the Bulk Randall-Sundrum model

Author(s) -

Manoranjan Guchait,

F. Mahmoudi,

K. Sridhar

Publication year - 2007

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2007/05/103

Subject(s) - tevatron , particle physics , randall–sundrum model , physics , gluon , higgs boson , kaluza–klein theory , collider , large hadron collider , extra dimensions , quark , brane , theoretical physics

The Bulk Randall-Sundrum model, where all Standard Model particles except theHiggs are free to propagate in the bulk, predicts the existence of Kaluza-Klein(KK) modes of the gluon with a large branching into top-antitop pairs. We studythe production of the lowest KK gluon mode at the Tevatron energy and use thedata on the top cross-section from the Run II of Tevatron to put a bound on themass of the KK gluon. The resulting bound of 800 GeV, while being much smallerthan the constraints obtained on the KK gluon mass from flavour-changingneutral currents, is the first, direct collider bound which is independent ofthe specificities of the model.Comment: 8 pages LaTeX, including 1 figure as a ps fil

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