Search for scalar diphoton resonances in the mass range 65-600 GeV with the ATLAS detector in pp collision data at root s=8 TeV
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KünyeAad, G, Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R. ... ATLAS Collaboration. (2014). Search for scalar diphoton resonances in the mass range 65-600 GeV with the ATLAS detector in pp collision data at root s=8 TeV. Physical Review Letters, 113 (17), 18p. http://dx.doi.org/10.1103/PhysRevLett.113.171801.
A search for scalar particles decaying via narrow resonances into two photons in the mass range 65-600 GeV is performed using 20.3 fb(-1) of root s = 8 TeV pp collision data collected with the ATLAS detector at the Large Hadron Collider. The recently discovered Higgs boson is treated as a background. No significant evidence for an additional signal is observed. The results are presented as limits at the 95% confidence level on the production cross section of a scalar boson times branching ratio into two photons, in a fiducial volume where the reconstruction efficiency is approximately independent of the event topology. The upper limits set extend over a considerably wider mass range than previous searches.