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Comment by hughesjj

2 years ago

Wat?

Neutrons are (primarily) UDD while protons are (primarily) UUD. Although I do wonder if this charm+anticharm ghost exists in other hadrons

> Neutrons are (primarily) UDD while protons are (primarily) UUD.

Yes, this is correct.

> Although I do wonder if this charm+anticharm ghost exists in other hadrons

Yes, neutrons and all the other hadrons have virtual pairs of char-anticharm quarks. (And some of them have actual charm or anticharm quarks.)