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STRONG-INTERACTION MATTER

Fireball spectroscopy

The visible mass in the Universe emerged when hadrons — the building blocks of atomic nuclei — formed from a hot fireball made of quarks and gluons. This mechanism has now been investigated in baryon-rich matter at relatively low temperatures.

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Fig. 1: Schematic of the creation of QCD matter in the laboratory.

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Correspondence to Ralf Rapp.

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Rapp, R. Fireball spectroscopy. Nat. Phys. 15, 990–991 (2019). https://doi.org/10.1038/s41567-019-0614-5

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