arXiv:2404.05498hep-ex
Characterising the Higgs boson with ATLAS data from Run 2 of the LHC
Early discovery. Linked by one identifiable commenter. This paper is outside the main ranking; a mention is not an endorsement.
Abstract
The Higgs boson was discovered by the ATLAS and CMS Collaborations in 2012 using data from Run 1 of the Large Hadron Collider (2010$-$2012). In Run 2 (2015$-$2018), about 140 fb$^{-1}$ of proton$-$proton collisions at a centre-of-mass energy of 13 TeV were collected by the ATLAS experiment. This review presents the most important Run 2 results obtained by the ATLAS Collaboration regarding the properties of the Higgs boson and its interactions with other particles. The performed studies significantly enhance the understanding of the Higgs boson, while hunting for deviations from the predictions of the Standard Model of particle physics.
I don't know where you get 5.9 sigma but that might have been the confidence at the time it was discovered in 2012. Since then the LHC took a lot more data and the confidence is more like 20 sigma. That said, these days it's harder to find a paper that gives a confidence for…
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