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Sep22-11, 04:15 PM
P: 42
It should be noted: they performed the experiment 15,000 times before reporting results, and the calculation error on their measurement is said to be +/- 10ns, or one-sixth the differential.

I'm not sure what to think until the experiment is repeated elsewhere, but it seems CERN didn't make this statement lightly. They've been seeing this result since experiments in 2007.