The helicity dependence of the total photoabsorption cross section on the proton in the photon energy range from 200 to 800 MeV was observed. Data was obtained that give important experimental information about the Gerasimov-Drell-Hearn (GDH) sum rule and the forward spin polarizability γ.
|Physical Review Letters
|Published - Jul 9 2001
ASJC Scopus subject areas
- General Physics and Astronomy