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I don’t understand how an anti-proton can orbit a nucleus without annihilating into pure energy with a proton from the nucleus.

What am I missing here?

Honestly speaking I am really amazed by these researchers ability to separate and then “shove” an anti-proton in a Helium gas.



If a proton in the nucleus and orbiting anti-proton don’t collide (to simplify somewhat), then they won’t annihilate.


> I don’t understand how an anti-proton can orbit a nucleus without annihilating into pure energy with a proton from the nucleus.

it means there is bound meta-stable state of combined proton+nucleus interacting system.




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