content_image/346155.jpg
<img src='content_image/346155.jpg'>

for a coupling bigger than ∼ 0 . 2: here, the far right lines (in red) correspond to g ′ 1 = 0 . 2, and this coupling can be excluded from the minimum allowed mass (1 . 4 TeV) up to 2 . 2 TeV for 1 fb − $^{1}$. As one decreases the coupling, electrons set more stringent bounds: for g ′ 1 = 0 . 1(0 . 05), the mass that can be excluded ranges between 900(700) GeV and 1 . 70(1 . 20) TeV for electrons while for muons it ranges between 800(700) and 1 . 55(0 . 95) for the same values of the coupling, the maximum values being for 1 fb − 1 of integrated luminosity. 

The 95% C.L. exclusions for the LHC at √$_{s}$ = 10 TeV are summarised in table VII, for selected values of couplings and integrated luminosities. 

## C. LHC at √ s = 14 TeV 

Finally, we consider the LHC at √$_{s}$ = 14 TeV. Due to the improved resolutions for both electrons and muons, they have very similar exclusion powers for couplings g ′ 1 ≳ 0 . 1, therefore setting similar constraints. Depending on the amount of data that will be collected, several maximum bounds can be set (see figure 14a): i.e., with 10 fb − 1 of data, the LHC at 

