Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2009-01-28
Eur.Phys.J.C60:17-23,2009
Physics
High Energy Physics
High Energy Physics - Experiment
13 pages, 2 figures, Accepted by Eur. Phys. J. C
Scientific paper
10.1140/epjc/s10052-009-0874-9
Single photons detected by the DELPHI experiment at LEP2 in the years 1997-2000 are reanalysed to investigate the existence of a single extra dimension in a modified 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 M_D is 1.69 TeV/c^2 at 95% CL, with an expected limit of 1.71 TeV/c^2.
Abdallah Joseph
DELPHI Collaboration
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