Faster Than Light Neutrinos And Relativity

There is a certain amount of confusion on the relationship between Einstein's Theory of Relativity and the recent experimental results that seem to point towards neutrinos that are faster than light by an amount of about 7 km/s. So let me try to clarify things by answering to the following question:If neutrinos travel faster than light by 7 km/s, do we need to modify Relativity?The answer is a clear-cut "Yes"; let me explain why.Lorentz invariance, which is embodied in the theory of Relativity, has the unescapable consequence that there exists a precise relationship between a free particle's energy E, its momentum p and its mass m: read more

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