>[!warning] >This content has not been peer reviewed. # Hadron ## I. What it is (established science) Hadrons (e.g. protons, neutrons, pions) are composite particles made of quarks bound by the strong force. They are the stable resolution at the nuclear scale — the observable "parts" when the substrate coarse-grains below quark resolution. See QCD and nuclear physics; RST maps via **[[../Relational Friction]]** and confinement. ## II. RST/RRT reading | Physics | RST/RRT | |:---|:---| | Composite | **composed_of** [[Quark]]; the substrate maintains hadron-scale distinction. | | Confinement | Coarse-graining: the Format delivers hadrons, not free quarks; friction \(1-\mu\) at quark scale. | | Scale | **typical_scale** → nuclear / fm ([[Scale registry]]: hadron ~ \(10^{-15}\) m). | ## III. Relations - **composed_of:** [[Quark]]. - **typical_scale:** [[Scale registry]] (hadron / nuclear). - **translates_from:** [[Quark]]. Translation rule: [[../../expanded theory applied/further applications/Material layer/Material layer (RST)#V. Layer-to-layer translation|Material layer (RST) §V]]. - **translates_to:** [[Atom]] (nucleus as hadronic content). ```scale_part L 1e-15 ```