$Q^2$--Dependence of the Gerasimov-Drell-Hearn Sum Rule

W. X. Ma, D. H. Lu, A. W. Thomas +1

We test the Gerasimov-Drell-Hearn (GDH) sum rule numerically by calculating the total photon absorption cross sections ${\sigma }_{1/2}$ and ${\sigma }_{3/2}$ on the nucleon via photon excitation…