Conceptual

Physics in Deuteron Nuclear Force Properties and Spin-Orbital Coupling Analysis

The strong nuclear force is a short-range interaction governing nucleon binding in atomic nuclei, exhibiting charge independence between proton-proton and neutron-neutron pairs while strictly excluding leptons from its influence. This mechanism relies on spin-dependent alignment favoring parallel states for bound systems like the deuteron and combines orbital angular momentum with intrinsic spin via quantum mechanical addition rules to determine total nuclear state properties. Theoretical analysis of this force utilizes parity conservation laws, which restrict relative orbital angular momentum $L$ in composite nucleon systems based on whether the wave function remains invariant under spatial inversion transformations.