"This is very exciting because if the spin-zero determination is confirmed, it would be the first elementary particle to have zero spin, " he said.

BBC: LHC cements Higgs boson identification

The results reported at the conference - based on the entire data sets from 2011 and 2012 - much more strongly suggest that the new particle's "spin" is zero - consistent with any of the theoretical varieties of Higgs.

BBC: LHC cements Higgs boson identification

While initial number-crunching at CERN suggests the new particle has spin zero, more proof is needed.

WSJ: New Data Boosts Case for Higgs Boson Find