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Science

CERN: Neutrinos Respect Cosmic Speed Limit 96

Posted by Soulskill
from the still-tend-to-ignore-the-stop-lights dept.
An anonymous reader writes with news of a presentation from CERN Research Director Sergio Bertolucci about follow-up experiments trying to repeat the faster-than-light neutrino results from last year. Quoting the press release: "The four [experiments], Borexino, ICARUS, LVD and OPERA all measure a neutrino time of flight consistent with the speed of light. This is at odds with a measurement that the OPERA collaboration put up for scrutiny last September, indicating that the original OPERA measurement can be attributed to a faulty element of the experiment's fibre optic timing system. 'Although this result isn't as exciting as some would have liked,' said Bertolucci, 'it is what we all expected deep down. The story captured the public imagination, and has given people the opportunity to see the scientific method in action – an unexpected result was put up for scrutiny, thoroughly investigated and resolved in part thanks to collaboration between normally competing experiments. That's how science moves forward.'"
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CERN: Neutrinos Respect Cosmic Speed Limit

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  • by Anonymous Coward on Friday June 08, 2012 @09:25AM (#40256797)

    Had the error been in the opposite direction, indicating neutrinos slightly slower than previously thought, this experiment would never have been scrutinized so much. Then some theoretician might have even got a Nobel for explaining the result. That's how science moves backward.

    But Neutrinos are slower than light.
    How I know? Well, because Neutrino oscillations have been measured.
    What's the connection? Well, Neutrino oscillations require that Neutrinos have mass. And particles with mass always go slower than light.

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