brindafella (702231) writes Physicists at CERN's Large Hadron Colider (LHC) ATLAS experiment have been looking through their data, and have found enough of the extremely rare "W boson" (proton-proton) collisions that they can now declare their results: They have found how the Higgs imparts mass to other particles. From the article: "'Only about one in 100 trillion proton-proton collisions would produce one of these events,' said Marc-André Pleier, a physicist at the U.S. Department of Energy's Brookhaven National Laboratory who played a leadership role in the analysis of this result for the ATLAS collaboration. 'You need to observe many [collisions] to see if the production rate is above or on par with predictions,' Pleier said. 'We looked through billions of proton-proton collisions produced at the LHC for a signature of these events—decay products that allow us to infer like Sherlock Holmes what happened in the event.' The analysis efforts started two years ago and were carried out in particular by groups from Brookhaven, Lawrence Berkeley National Laboratory, University of Michigan, and Technische Universität Dresden, Germany." Here's a pre-print of the paper.
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