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Apr21-04, 11:49 AM
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Quote Quote by Antonio Lao
I am thinking more in the line of creating proton from the component quarks than that of dissociation of hydrogen atoms.
Yes, I was aware of that. I was merely addressing to the broader issue of "can we create protons experimentally", in case there are peole jumping in in the middle and see a discussion that might give them the impression that we do not know decisively that we have created protons.

As for your line of thinking, either beta decay (change of flavor by quarks) might answer your question, or you will have to wait till we make and verify the first gamma-gamma collider.