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Particle and nuclear

Particle and nuclear

Evidence grows for tetraneutrons as hypothetical clusters are glimpsed in Germany

14 Dec 2021 Hamish Johnston
Tetraneutron experiment
New evidence: Physicist Roman Gernhäuser at the target chamber in the Maier-Leibnitz Laboratory. Tetraneutrons may have been created in the centre of this chamber. (Courtesy: Uli Benz/TUM)
The tetraneutron, a hypothetical cluster of four bound neutrons, has been glimpsed by physicists in

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Hamish Johnston is an online editor of Physics World
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