Complex sentence: Compatibility with LHC measurements at 8 TeV and the size of the cross-section favour production through gluon fusion, as illustrated by the Feynman diagram in the figure, similarly to the Higgs boson discovered in 2012 at the LHC.
Split into simpler sentences: Compatibility with LHC measurements at 8 TeV and the size of the cross-section favour production through gluon fusion as illustrated by the Feynman diagram in the figure. This was the dominant production mechanism for the Higgs boson discovered in 2012 at the LHC.