ICARUS adds further doubt to superluminal neutrinos claimed by OPERA

Last fall, the OPERA group announced that they had seen superluminal neutrinos. As Sean Carroll explains in his blog today, with the just completed experiment by the ICARUS group (like OPERA at Gran Sasso in Italy, both detecting neutrinos shot their way from CERN near Geneva), which essentially repeats OPERAs experiment, that claim can probably now be put to rest. Together with the systematic errors found last month, we can be fairly certain that neutrinos do not travel faster than the speed of light!

So was all of this a waste of time? No, argues Giovanni Amelino-Camelia in the 8 March issue of Nature.

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