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Physics
High Energy, Nuclear, Particle Physics
What is the latest discovery in tetraquarks by LHCb?
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[QUOTE="snorkack, post: 6532074, member: 436348"] Can you summarize known polyquarks? There is one known and stable light hexaquark, that behaves plainly as a nucleus consisting of two separate nucleons. Deuteron also is longer lived than one of the component nucleons. Protonium also possibly counts as a hexaquark. Is protonium bound by electromagnetic or strong forces? Now, there don´t seem to be any light pentaquarks. Interactions between nucleons and pions do not seem to form bound nuclei. Neither do there appear to be any light tetraquarks - interaction between two pions does not seem to form bound nuclei either. Which heavy tetraquarks, pentaquarks and hexaquarks are confirmed to exist? [/QUOTE]
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Physics
High Energy, Nuclear, Particle Physics
What is the latest discovery in tetraquarks by LHCb?
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