Exponential suppression of charged-particle fusion rates by Coulomb-barrier tunnelling: P ∝ exp(−2πη), η = Z_1 Z_2 e² / (ℏ v). Controls stellar nucleosynthesis.
Exponential suppression of charged-particle fusion rates by Coulomb-barrier tunnelling: P ∝ exp(−2πη), η = Z_1 Z_2 e² / (ℏ v). Controls stellar nucleosynthesis.