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Matter–antimatter asymmetry still provides no evidence of new physics

Image: Phys.org

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  • Phys.org · November 12, 2026 23:00
    The universe's dominance by ordinary matter is compelling evidence that matter and antimatter are not perfect reflections of each other. However, known differences do not explain the scale of this imbalance, leaving open the possibility that unknown physics is responsible. A new analysis of meson…