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New Antimatter Physics Discovered at the Large Hadron Collider
The LHCb experiment has observed a new difference between matter and antimatter in particles called baryons
Today physicists at the Large Hadron Collider (LHC)’s LHCb experiment published a paper in the journal Nature announcing that they’ve measured CP violation for the first time in baryons —the class of particles that includes the protons and neutrons inside atoms. “The detector is like a gigantic four-dimensional camera that is able to record the passage of all the particles through it,” says LHCb spokesperson and study co-author Vincenzo Vagnoni of the Italian National Institute of Nuclear Physics (INFN). The matter-antimatter difference scientists observed in this case is relatively small, and it fits within predictions of the Standard Model of particle physics—the reigning theory of the subatomic realm.
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