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单词 axion
释义

axion

/ˈaksɪɒn /
noun Physics
A hypothetical subatomic particle postulated to account for the rarity of processes which break charge-parity symmetry.Or another candidate is an even more exotic particle called the axion....
  • This has helped to promote particle-DM, with candidates such as axions, neutralinos and other cold DM particles, as well as warm DM, and self-interacting DM, whose nature is not even specified.
  • Axions, if they exist at all, do so in our ordinary dimensions, but they are stable neutral particles.

Origin

1970s: from axial + -on.

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更新时间:2024/12/23 21:14:26