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PARTICLE PHYSICS

A tetraquark trophy

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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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Fig. 1: Quark soup of the tetraquark particle family.

References

  1. Aaij, R. et al. (LHCb Collaboration) Nat. Phys. https://doi.org/10.1038/s41567-022-01614-y (2022).

  2. Ablikim, M. et al. (BESIII Collaboration) Phys. Rev. Lett. 110, 252001 (2013).

  3. Liu, Z. Q. et al. (Belle Collaboration) Phys. Rev. Lett. 110, 252002 (2013).

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  5. Aaij, R. et al. (LHCb Collaboration) Nat. Commun. https://doi.org/10.1038/s41467-022-30206-w (2022).

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  1. Shandong University, Jinan, China

    Zhiqing Liu

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  1. Zhiqing Liu
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Correspondence to Zhiqing Liu.

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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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