Diprotons or dineutrons donot exist?

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Diprotons and dineutrons do not exist as stable bound states due to their inherent instability and the forces acting on them. The diproton, for instance, is subject to electrical repulsion between its two protons, making it less stable than the deuteron, which consists of one proton and one neutron. Theoretical searches for dibaryons continue, indicating that while these states are not observed, their existence is still a topic of interest in nuclear physics. The rapid decay of diprotons to deuterium highlights the challenges in forming stable configurations of two protons or two neutrons. Overall, the absence of stable bound states for diprotons and dineutrons is linked to the fundamental interactions between nucleons.
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Can anyone explain why diprotons or dineutrons don't exist,while a bound state of deuteron exist?

Thanks for the help.
 
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It depends at what level your question is. I mean that searches for dibaryons in general are still performed, because there are theoretical motivations. So telling you "those do not exist" is a bit partial...

At least for the diproton, you can easily imagine that this bound state is extremely similar to the deuterium which (for electrical repulsion) is more stable than the diproton. So a diproton would decay very very very rapidely to a deuterium.
 
My question is in context of exitence of a bound state of two nucleons. A bound state of a neutron and proton exist similarly a bound state of two portons or two neutrons does no exist, that is what I have read? So why it cannot exist?
 

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