The hunt for new particles helps to complete our understanding of hadronic matter. The LHCb Collaboration now reports the surprising observation of a doubly charmed tetraquark.
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References
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Liu, Z. A tetraquark trophy. Nat. Phys. 18, 732–733 (2022). https://doi.org/10.1038/s41567-022-01620-0
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DOI: https://doi.org/10.1038/s41567-022-01620-0