Strong interaction in hadronic hydrogen atoms

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SUMMARY

The strong interaction in pionic hydrogen is attractive due to the negative charge of the pion replacing the electron, which facilitates attraction to the proton. In contrast, kaonic hydrogen exhibits a repulsive strong interaction because the negatively charged kaon orbits the hydrogen atom, necessitating repulsion to maintain its orbit. This phenomenon is linked to sub-threshold resonances, which play a critical role in the interaction dynamics of these exotic atoms.

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  • Understanding of strong interactions in particle physics
  • Familiarity with pionic and kaonic hydrogen concepts
  • Knowledge of sub-threshold resonances
  • Basic principles of atomic structure and orbitals
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sham
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Hello,

Does anyone know why in pionic hydrogen the strong interaction should be attractive whilst in kaonic hydrogen it is repulsive. I have heard it is something to do with a sub-threshold resonance but nothing more.

Thanks

Sham
 
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sham said:
Hello,Does anyone know why in pionic hydrogen the strong interaction should be attractive whilst in kaonic hydrogen it is repulsive. I have heard it is something to do with a sub-threshold resonance but nothing more.
In pionic hydrogen the negative charge "pion" replaces the negative "electron"--thus predict attraction--see this link:http://www.oeaw.ac.at/smi/research/pi-h.htm . However, in kaonic hydrogen the negative "kaon" is found orbiting the hydrogen atom and thus predict repulsion to maintain the orbit--see this link for details: http://en.wikipedia.org/wiki/Kaonic_hydrogen
 
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