CERN Accelerating science

Dimuon (\cmsLeft) and dielectron (\cmsRight) invariant mass spectra compared with the stacked SM predictions and an added simulated ADD signal with $\Lambda_{ \mathrm T} = 2.8$\TeV (ADD K-factor 1.0, no signal truncation). The highest-mass bins contain all contributions above $2.3$\TeV. The error bars reflect the statistical uncertainty.

Dimuon (\cmsLeft) and dielectron (\cmsRight) invariant mass spectra compared with the stacked SM predictions and an added simulated ADD signal with $\Lambda_{ \mathrm T} = 2.8$\TeV (ADD K-factor 1.0, no signal truncation). The highest-mass bins contain all contributions above $2.3$\TeV. The error bars reflect the statistical uncertainty.

noimg: Summary of systematic uncertainties for the integrated dimuon and dielectron invariant mass spectra in the signal regions.: Comparison of the observed and expected number of events in control and signal regions for the dimuon and dielectron mass distributions. Expected signal contributions are shown for ${\Lambda_{ \mathrm T} = 2.8}$\TeV (ADD K-factor 1.0, signal truncation at $M_{\mathrm{max}} = \Lambda_{ \mathrm T}$).

Observed and expected $95\%$ CL lower limits on $M_{ \mathrm s}$, obtained by combining the $\Pgm\Pgm$ and $\Pe\Pe$ results, for different numbers of extra dimensions $n$, applying a signal K-factor of $1.3$. A confidence interval for the expected limit corresponding to 2 standard deviations (sd) is shown for the case $n = 3$.