Search for Higgs Boson Pair Production of a Pair of Higgs Bosons
A search for new physics in production of a pair of Higgs bosons finds a modest excess of events, 2.4 standard deviations above the background-only hypothesis. See G. Aad et al. (ATLAS Collaboration), "Search for Higgs Boson Pair Production in the γγbb¯ Final State Using pp Collision Data at s√=8 TeV from the ATLAS Detector," Phys. Rev. Lett. 114, 081802 (2015) DOI: http://dx.doi.org/10.1103/PhysRevLett.114.081802.