Search for New Dielectron Resonances and Randall-Sundrum Gravitons at the Collider Detector at Fermilab

Details Search for New Dielectron Resonances and Randall-Sundrum Gravitons at the Collider Detector at Fermilab Search for New Dielectron Resonances and Randall-Sundrum Gravitons at the Collider Detector at Fermilab

2011-03-23

arxiv.org/abs/1103.4650v2

Phys.Rev.Lett.107:051801,2011

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 4 figures, 1 table

Scientific paper

10.1103/PhysRevLett.107.051801

A search for new dielectron mass resonances using data recorded by the CDF II detector and corresponding to an integrated luminosity of 5.7/fb is presented. No significant excess over the expected standard model prediction is observed. In this dataset, an event with the highest dielectron mass ever observed (960 GeV/c^2) was recorded. The results are interpreted in the Randall-Sundrum (RS) model. Combined with the 5.4/fb diphoton analysis, the RS-graviton lower mass limit for the coupling k/\bar{M}_{Pl}=0.1 is 1058 GeV/c^2, making it the strongest limit to date.

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