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Nuclear physics

The study of the journey of cosmic antimatter

A potential observation of low-energy antihelium-3 nuclei would have profound impacts on our understanding of the Galaxy. Experiments at particle colliders help us understand how cosmic antimatter travels over long distances before reaching Earth.

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Fig. 1: Schematic illustration of a \({}^{3}\overline {{{{\mathrm{He}}}}}\) nuclei travelling through the Galaxy.


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Correspondence to Aihong Tang.

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Tang, A. The study of the journey of cosmic antimatter. Nat. Phys. 19, 13–14 (2023).

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