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Neutrinos do not exceed speed of light, according to latest experiment

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June 8, 2012

New results from CERN today would appear to confirm that last year’s findings by the OPERA...

New results from CERN today would appear to confirm that last year’s findings by the OPERA experiment which appeared to suggest that neutrinos could travel faster than light were incorrect (Photo: Simone Cortesi)

New results from CERN today would appear to confirm that last year’s findings by the OPERA experiment which appeared to suggest that neutrinos could travel faster than light were incorrect. A faulty element of the experiment’s fiber optic timing system has been cited by CERN as a likely cause for the error.

As we previously reported, the OPERA collaborative experiment which joins CERN scientists with their counterparts located 730 km (or 454 miles) away at Italy's Laboratori Nazionali del Gran Sasso (LNGS), found that neutrons sent from the former to the latter location appeared to reach their destination 60 nanoseconds sooner than photon light particles. If true, this would seem to contradict Einstein's restricted theory of relativity, which famously states that nothing can travel faster than light in a vacuum and is the basis for much of modern physics.

Despite repeating the process 15,000 times with consistent findings, the OPERA team cautioned skepticism until the results could be independently verified and invited scientists to investigate the study’s findings.

In order to arrive at these new results, the flight of neutrinos passing once again from CERN to the Gran Sasso Laboratory was measured, this time with four separate experiments, Borexino, ICARUS, LVD and OPERA. On this occasion, each of the experiments provided results which were consistent with the speed of light having not been exceeded. The episode apparently brings to a close one of the more exciting potential findings deriving from the CERN laboratory which hosts over two thousand full-time employees.

Appearing at the 25th International Conference on Neutrino Physics and Astrophysics in Kyoto, CERN Research Director Sergio Bertolucci spoke of his anticipation of receiving such findings:

“Although this result isn’t as exciting as some would have liked,” said Bertolucci, “it is what we all expected deep down.

Source: CERN

About the Author
Adam Williams Adam is a tech and music writer based in North Wales. When not working, you’ll usually find Adam tinkering with old Macintosh computers, reading history books, or exploring the countryside with his dog Finley.   All articles by Adam Williams
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5 Comments

Maybe it wouldn't have taken so long to find this out if we had followed through with the Superconducting Super Collider... Maybe we should start a new one...

rwalker
8th June, 2012 @ 09:30 am PDT

Even when neutrinos do not move faster than light, they still might have very interesting application for point to point data communication due their ability to pass the earth. They also do not need any mid travel amplification for that.

Kris Lee
9th June, 2012 @ 02:57 am PDT

Aha! I was right. I had an argument with someone on this while discussing the possibility of pertual motion machines. He said the laws of physics are changed all the time so the 1st Law of Thermdynamics wasn't necessarily a barrier. He cited the example of this research. I said they'd find a mistake somewhere and they have!

Wish I could remember who I had that discussion with. 8^)

warren52nz
11th June, 2012 @ 04:27 pm PDT

i love this site because of it's update & brilliant research about physics..

Nazim Ul Islam
2nd November, 2013 @ 03:22 am PDT

A sad summing up of what happened:

http://vixra.org/pdf/1402.0008v1.pdf

Leonardo Rubino
3rd February, 2014 @ 01:24 pm PST
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