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Search for large extra dimensions in dimuon and dielectron events in pp collisions at [formula omitted]

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
711
Issue
1
Identifiers
DOI: 10.1016/j.physletb.2012.03.029
Keywords
  • Experiments
Disciplines
  • Physics

Abstract

Abstract Results are presented from a search for large, extra spatial dimensions in events with either two isolated muons or two isolated electrons. The data are from proton–proton interactions at s=7 TeV collected with the CMS detector at the LHC. The size of the data sample corresponds to an integrated luminosity of approximately 2 fb−1. The observed dimuon and dielectron mass spectra are found to be consistent with standard-model expectations. Depending on the number of extra dimensions, the 95% confidence level limits from the combined μμ and ee channels range from Ms>2.4 TeV to Ms>3.8 TeV, where Ms characterizes the scale for the onset of quantum gravity.

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