Experimental determination of the evolution of the Bjorken integral at low Q^2

A. Deur, P. Bosted, V. Burkert +22

We extract the Bjorken integral Gamma^{p-n}_1 in the range 0.17 < Q^2 < 1.10 GeV^2 from inclusive scattering of polarized electrons by polarized protons, deuterons and 3He, for the…