This exotic particle could finally explain why matter has mass
SMRTR summary
Scientists have long wondered why matter has mass — and a rare particle called the η′ meson may hold the answer. Researchers found evidence that this heavy particle can become temporarily trapped inside an atomic nucleus, and its mass appears to decrease there, revealing clues about how mass is generated in the universe.
SMRTR provides this summary for quick context. The original article belongs to Science Daily.
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