Search for diphoton resonances in the mass range from 150 to 850 GeV in pp collisions at $s =$ 8 TeV
By V. Khachatryan, A. Sirunyan, A. Tumasyan, W. Adam, E. Asilar, T. Bergauer, J. Brandstetter, E. Brondolin, M. Dragicevic, J. Erö and 2,277 more. 2015
146 citations recorded by the source corpus.
Results are presented of a search for heavy particles decaying into two photons. The analysis is based on a 19.7 inverse femtobarn sample of proton-proton collisions at sqrt(s) = 8 TeV collected with the CMS detector at the CERN LHC. The diphoton mass spectrum from 150 to 850 GeV is used to search for an excess of events over the background. The search is extended to new resonances with natural widths of up to 10% of the mass value. No evidence for new particle production is observed and limits at 95% confidence level on the production cross section times branching fraction to diphotons are determined. These limits are interpreted in terms of two-Higgs-doublet model parameters.
Subfields: Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/c988bc64dbef9ba18fa4543cda0d2385ab6e5d64
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In Nuclear and High Energy Physics
Citations in the corpus
- Di-photon excess illuminates dark matter (2015, background): “Both ATLAS and CMS collaborations recently announced a search for reasonances in the di-photon channel, featuring an excess of events around mγγ ≈ 750 GeV [1, 2].”