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Cosmic Rays Are More Energetic Than LHC Particles, And This Faster-Than-Light Trick Reveals Them

30 Aug 2019, 14:01 UTC
Cosmic Rays Are More Energetic Than LHC Particles, And This Faster-Than-Light Trick Reveals Them SIMON SWORDY (U. CHICAGO), NASA

It might be true that there’s an ultimate speed limit to everything in the Universe — the speed of light in a vacuum — but that doesn’t mean there’s a limit to how energetic a single particle can be. As you pump progressively more energy into a massive particle, you can make it move ever faster, asymptotically approaching that ultimate cosmic speed limit. But paradoxically, the more energetic that particle is, the more difficult it is to accurately detect and measure it.

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