Axion gone: new tests find no sign of anomalous particle

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Bericht 24-10-'07, 14:01

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Axion gone: new tests find no sign of anomalous particle

Last year, physicists reported seeing tantalizing experimental traces of the axion, a hypothetical subatomic particle that's been mentioned as a possible constituent of cosmic dark matter. But the axion was showing up where theory said it shouldn't be. It now looks as if it wasn't there after all.


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