Collisions hint that four neutrons form a transient isolated entity

Lee G. Sobotka () and Maria Piarulli ()

Nature, 2022, vol. 606, issue 7915, 656-657

Abstract: An experiment firing helium-8 nuclei at a proton target has generated evidence that four neutrons can exist transiently without any other matter. But doubts remain, because the existence of such systems is at odds with theory.

Keywords: Nuclear; physics (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1038/d41586-022-01634-x

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