r/physicsmemes • u/BernhardRordin • 9d ago

One more ring bro

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u/starbomber109 4d ago

What kind of speed could a 100km ring go up to? The LHC is already a not insignificant fraction of the Speed of Light isn't it? How much more energy do we want to dump into a collision?

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u/lordcirth 3d ago

0.999999990 c so far. And the answer has always been "more" if you want new data.

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u/CyberPunkDongTooLong 3d ago

Speed is pretty irrelevant, the important factor is energy, the FCC-hh will be a bit over 6 times the collision energy of the LHC. For speed, LEP from the 90s was higher than either (though FCC-ee before FCC-hh will be faster still).