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Physics: In Search of the Cleansing Axion

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Science  11 Apr 1997:
Vol. 276, Issue 5310, pp. 200
DOI: 10.1126/science.276.5310.200

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F ew particles offer so much as the axion: Its proponents claim it will iron out a wrinkle in the Standard Model of fundamental particles and forces while solving the mystery of the universe's missing mass. First, however, this elusive beast must be discovered. Physicists are keenly awaiting the results of two experiments--one just analyzing its first data and the other just starting up--which may finally answer the question of whether these ghostly particles really exist.

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