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INSERT INTO ARTICLE pentaquark 1

By James Wolman | Published July 21, 2015 | Full size is 646 × 400 pixels

Another suggested layout of the quarks in a pentaquark particle. Alternatively, the five quarks might be tightly bound together. Credit@Daniel Dominguez/CERN

Another suggested layout of the quarks in a pentaquark particle. Alternatively, the five quarks might be tightly bound together. Credit@Daniel Dominguez/CERN