GENEVA — The chances have risen that Einstein was wrong about a fundamental law of the universe. Scientists at the world's biggest physics lab said Friday they have ruled out one possible error that could have distorted their startling measurements that appeared to show particles traveling faster than light.
Many physicists reacted with skepticism in September when measurements by French and Italian researchers seemed to show subatomic neutrino particles breaking what Nobel Prize-winning physicist Albert Einstein considered the ultimate speed barrier.
The European Organization for Nuclear Research said more precise testing has now confirmed the accuracy of at least one part of the experiment.
"One key test was to repeat the measurement with very short beam pulses," the Geneva-based organization, known by its French acronym CERN, said in a statement.
The test allowed scientists to check if the starting time for the neutrinos was being measured correctly before they were fired 454 miles (730 kilometers) underground from Geneva to a lab in Italy.
The results matched those from the previous test, "ruling out one potential source of systematic error," said CERN.
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