pdf https://cdn.1j1ju.com/medias/fe/d8/9f-pentaquark-rulebook.pdf
Some of the biggest questions in the world of science may be answered by studying quarks, the smallest of particles. The problem with trying to study quarks is that you can’t find just one quark; you need to find them in groups called hadrons, or some other exotic particles, like the Pentaquark.
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