
The observation of the antimatter hypernucleus ({}_{\bar{\Lambda }}{}^{4}\bar{{\rm{H}}}) in high-energy nuclear collisions, providing insights into the asymmetry between matter and antimatter in the early universe.


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An antimatter hypernucleus formed by an anti-lambda hadron, an antiproton and two antineutrons was observed through its two-body decay after production in ultrarelativistic heavy-ion collisions.

Observation of the antimatter hypernucleus  $${}_{\bar{{\boldsymbol{\Lambda }}}}{}^{{\bf{4}}}\bar{{\bf{H}}}$$ H ¯ Λ ¯ 4  - Nature

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Observation of the Antimatter Hypernucleus ({}_{\bar{{\boldsymbol{\Lambda }}}}{}^{{\bf{4}}}\bar{{\bf{H}}}) in High-Energy Nuclear Collisions
