Measurement of the Doubly-Polarized $\overrightarrow{{}^{3}He}(\vec{\gamma },n)pp$ Reaction at 16.5 MeV and Its Implications for the GDH Sum Rule

G. Laskaris, X. Yan, J. M. Mueller +19

We report new measurements of the doubly-polarized photodisintegration of ${}^3$He at an incident photon energy of 16.5 MeV, carried out at the High Intensity $\gamma$-ray Source (HI$\gamma$S)…