Dec 12, 2021

Tetra-Neutron Experiment: Understanding of Nuclear Forces Might Have To Be Significantly Changed

Posted by in category: particle physics

The tetra-neutron – experiment finds evidence for a long-sought particle comprising four neutrons.

While all atomic nuclei except hydrogen are composed of protons and neutrons, physicists have been searching for a particle consisting of two, three, or four neutrons for over half a century. Experiments by a team of physicists of the Technical University of Munich (TUM) at the accelerator laboratory on the Garching research campus now indicate that a particle comprising four bound neutrons may well exist.

While nuclear physicists agree that there are no systems in the universe made of only protons, they have been searching for particles comprising two, three, or four neutrons for more than 50 years.

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