Unveiling Extreme Heat: Z Boson Probes New Mechanisms of the "Hottest Matter in the Universe"
Using Z boson probes at the Large Hadron Collider (LHC), scientists have revealed new details about how the hottest matter in the universe—the quark-gluon plasma (QGP)—absorbs energy, challenging existing theoretical models. This research provides important clues for understanding the state of the early universe shortly after the Big Bang. To gain deeper insights into the QGP, physicists cleverly employ Z bosons as messengers. Since Z bosons do not interact with the QGP, they can traverse the plasma almost unaffected, precisely recording information about the initial state. By analyzing the momentum differences between μons produced from Z boson decays and their recoiling jets, scientists were able to determine the energy lost by quarks as they traverse the QGP...
2026-08-04
