Thursday, September 22, 2011

So What's Going on at Cern Lately?

So we already know that guys at the LHC haven't found the Higgs boson yet, but what's going on at Cern, home of the Large Hadron Collider?

Well, since Cern is home of the biggest particle smasher in the world it's natural that there's a lot of fuzz going on there right now. Recently scientists working at Cern announced baffling results, which appeared during one of the experiments in the Gran Sasso laboratory.

So what they did was basically sent some neutrinos from Cern to Gran Sasso laboratory, which is 732 km. away. The interesting part is that they detected neutrinos coming to the lab a fraction of a second earlier than they should. The calculations of the speed revealed that neutrinos must have covered the distance in a faster-than-light speed.


For those of you who don't remember high school physics, light speed at vacuum is one of the most important and well tested constants in science. For more than a hundred years scientists tested  the speed of light and found it to be constant.

"We wanted to find a mistake - trivial mistakes, more complicated mistakes, or nasty effects - and we didn't," said Antonio Ereditato, who was working on the experiment.

Only more independent experiments, which would find the same anomaly would give great evidence that light speed limit is different. However, having in mind that similar anomalies were always resorted, I would bet my money that light speed limit will not be broken.


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