3 ms·
Inside a nucleus---yes; from protons, not really. Helium-2 is as unstable or possibly more unstable than the tetraneutron; lithium-3 and beryllium-4 don't exist
by bonzini 10y ago
Inside a nucleus---yes; from protons, not really. Helium-2 is as unstable or possibly more unstable than the tetraneutron; lithium-3 and beryllium-4 don't exist at all.
- Dylan16807 10y agoThey will break apart, but the stability of the protons themselves is enormous.
- bonzini 10y agoYes, but the article is about multi-particle systems.
- Dylan16807 10y agoThe discovery is. The comment about neutrons decaying in ten minutes isn't.