Compact Muon Solenoid
LHC, CERN
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| CMS-PAS-EXO-12-061 | ||
| Search for Resonances in the Dilepton Mass Distribution in pp Collisions at sqrt(s) = 8 TeV | ||
| CMS Collaboration | ||
| 2013 | ||
| Abstract: A search for narrow high-mass resonances decaying to electron or muon pairs has been performed using 8 TeV pp collision data collected by the CMS experiment. The dimuon event sample used corresponds to an integrated luminosity of 20.6 fb−1 while the dielectron event sample used corresponds to an integrated luminosity of 19.6 fb−1. No evidence for non-standard model physics is observed, and 95\% CL upper limits on the ratio of the cross section times branching fraction of a new boson to the cross section times branching fraction of the Z boson are obtained using this dataset. The analysis excludes, at 95\% confidence level, a Sequential Standard Model Z′SSM resonance lighter than 2960 GeV and a superstring-inspired Z′ψ lighter than 2600 GeV. These are the most stringent limits to date. | ||
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Links:
CDS record (PDF) ;
inSPIRE record ;
Public twiki page ;
CADI line (restricted) ;
These preliminary results are superseded in this paper, JHEP 04 (2015) 025. The superseded preliminary plots can be found here. |
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Compact Muon Solenoid LHC, CERN |
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