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A comment on Inside the proton, the ‘most complicated thing you could possibly imagine’. Parent comment

Re:Inside the proton, the ‘most complicated thing you could ... by hughesjj on Wednesday February 14, 2024 @03:43PM (#39375055)
Wat?

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

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Re:Inside the proton, the ‘most complicated thing you could ... by gus_massa on Wednesday February 14, 2024 @09:29PM (#39378431)
> 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.)

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