S-factor

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A rescaling of a nuclear reaction's total cross section to account for the Coulomb repulsion between the charged reactants. It determines the rates of nuclear fusion reactions that occur in the cores of stars.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.