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The Opera scientists suspect that a connection in this optical fibre might have been broken or come loose during their experiments last year. "They use a GPS synchronisation system and, for that to work, you need to have some antennas that can see the satellites and then you need to run cables from those antennas underground, hundreds or thousands of metres long, and work out correctly what the lengths of the cables are," said Dr Ryan Nichol, who works on a similar experiment called the Main Injector Neutrino Oscillation Search (Minos) at Fermilab near Chicago. In order to make their measurements, scientists need to tag the exact moment the neutrinos are created in Cern and also the exact time the particles arrive at the Opera detector. One of the possible errors lies with a faulty optical fibre connection in the mechanism used to time the arrival of the neutrinos at Gran Sasso. "If confirmed, one would increase the size of the measured effect, the other would diminish it," said the statement, which was published on the Cern website. Late on Wednesday night, scientists at the Opera (Oscillation Project with Emulsion-tRacking Apparatus) collaboration in Gran Sasso, who carried out the initial experiments, released a statement outlining two potential errors in their hardware. Physicists around the world have spent the intervening months trying to find reasons why the experiment might be faulty or else developing new hypotheses that could account for the anomalous result.
#Neutrinos faster than light tv
The physicist and TV presenter Professor Jim Al-Khalili of the University of Surrey expressed the incredulity of many in the field when he said that if the findings proved correct and neutrinos had broken the speed of light, "I will eat my boxer shorts on live TV." The neutrinos seemed to arrive sixty billionths of a second earlier than they should if travelling at the speed of light in a vacuum. In their original experiment, reported in September, scientists fired beams of subatomic particles called neutrinos through the ground from Cern near Geneva to a lab in Gran Sasso, Italy, 450 miles (720km) away.