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Jens 'n' Frens |
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Looking into pentaquarks, I'm probably less impressed than I should be. I'd almost rather call it a K+- n resonance than a new particle, though that's probably understating the case; certainly it sounds surprisingly stable, and — cf. the news of the quark-gluon plasma — the quarks don't seem to really be grouped into a neutron and a Kaon in the middle; there may be more fraternization than in a standard nuclear resonance. (It's certainly being done at much lower temperatures and densities than the q-g plasma required.) |
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