Shortly after the start of Run 2 at the Large Hadron Collider (LHC) at CERN in June 2015, scientists from DESY and their colleagues from the experiments CMS and ATLAS have performed a first important test of the Standard Model of particle physics at the new energy frontier, using data from proton-proton collisions at higher proton beam energies than ever achieved before. They looked at the production rate of a well-known particle called the top quark to see if it behaves differently at higher collision energies.
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The Standard Model prevails—so far: CMS experiment publishes first test at new LHC energy of 13…
