New Physics at 1TeV?
1 Institute for Theoretical and Experimental Physics, 117218, Moscow, Russia
2 Novosibirsk State University, 630090, Novosibirsk, Russia
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Published online: 28 October 2016
We consider the extension of the Standard Model with an extra scalar S which decays can be responsible for the diphoton excess with invariant mass ~ 750 GeV observed at the 13 TeV LHC run. Two scenarios of S production are considered: gluon fusion through a loop of heavy isosinglet quark(s) and photon fusion through a loop of heavy isosinglet leptons. In the second case many heavy leptons are needed or/and they should have large electric charges in order to reproduce experimental data on σpp→sx·Br(S → γγ)
© The Authors, published by EDP Sciences, 2016
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