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Mysterious Antimatter Physics Discovered at the Large Hadron Collider
"Scientists at the world's largest particle collider have observed a new class of antimatter particles breaking down at a different rate than their matter counterparts," reports Scientific American: [P]hysicists have been on the hunt for any sign of difference between matter and antimatter, known i...
[Wednesday] 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 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. "We are trying to find little discrepancies between what we observe and what is predicted by the Standard Model," [says LHCb spokesperson/study co-author Vincenzo Vagnoni of the Italian National Institute of Nuclear Physics].
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