CMS Experiment CERN on X: "For the first time the CMS Collaboration demonstrates evidence that top quarks are produced in nucleus-nucleus collisions! Read more how the top quark interacts with the heavy metal 🎸💥🎸 of the lead-lead collisions in this CMS physics briefing: ➡️ https://t.co/nWFibyUgL7 https://t.co/kJDnjxVDdI" / X