OLD SIMPLE PROTON MODEL. “The original quark model, in which the proton consists of two up quarks (u) and one down (d) quark, has an appealing simplicity.”
https://www.nature.com/articles/s41586-021-03282-z
OLD SIMPLE PROTON MODEL. “The original quark model, in which the proton consists of two up quarks (u) and one down (d) quark, has an appealing simplicity.”
https://www.nature.com/articles/s41586-021-03282-z