Search for one large extra dimension with the DELPHI detector at LEP2

Details Search for one large extra dimension with the DELPHI detector at LEP2 Search for one large extra dimension with the DELPHI detector at LEP2

2007-07-13

arxiv.org/abs/0707.2102v1

Physics

High Energy Physics

High Energy Physics - Experiment

10 pages, 2 figures, contributed to Lepton Photon 2007, Daegu, Korea

Scientific paper

Single photons detected by the DELPHI experiment at LEP2 in the years 1997-2000 are used to investigate the existence of a single extra dimension in a modifed ADD scenario with slightly warped large extra dimensions. The data collected at centre-of-mass energies between 180 and 209 GeV for an integrated luminosity of ~650 pb^-1 agree with the predictions of the Standard Model and allow a limit to be set on graviton emission in one large extra dimension. The limit obtained on the fundamental mass scale MD is 1.69 TeV at 95% CL, with an expected limit of 1.71 TeV.

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