Interpretation of the diphoton excess at CMS and ATLAS
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© 2016 American Physical Society. We consider the diphoton resonance at the 13 TeV LHC in a consistent model with new scalars and vector-like fermions added to the Standard Model, which can be constructed from orbifold grand unified theories and string models. The gauge coupling unification can be achieved, neutrino masses can be generated radiatively, and the electroweak vacuum stability problem can be solved. To explain the diphoton resonance, we study a spin-0 particle, and discuss various associated final states. We also constrain the couplings and number of the introduced heavy multiplets for the new resonance's width at 5 or 40 GeV.
author list (cited authors)
Dutta, B., Gao, Y. u., Ghosh, T., Gogoladze, I., & Li, T
complete list of authors
Dutta, Bhaskar||Gao, Yu||Ghosh, Tathagata||Gogoladze, Ilia||Li, Tianjun