Search for Randall-Sundrum Gravitons in Dilepton and Diphoton Final States

Details Search for Randall-Sundrum Gravitons in Dilepton and Diphoton Final States Search for Randall-Sundrum Gravitons in Dilepton and Diphoton Final States

2005-05-09

arxiv.org/abs/hep-ex/0505018v2

Phys.Rev.Lett.95:091801,2005

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 3 figures, 1 table. Published in Phys. Rev. Lett. Minor changes in v2 to match the published version

Scientific paper

10.1103/PhysRevLett.95.091801

We report the first direct search for the Kaluza-Klein (KK) modes of Randall-Sundrum gravitons using dielectron, dimuon, and diphoton events observed with the D0 detector operating at the Fermilab Tevatron ppbar Collider at sqrt(s) = 1.96 TeV. No evidence for resonant production of gravitons has been found in the data corresponding to an integrated luminosity of approximately 260 pb^-1. Lower limits on the mass of the first KK mode at the 95% C.L. have been set between 250 and 785 GeV, depending on its coupling to SM particles.

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