High precision determination of the $Q^2$-evolution of the Bjorken Sum

A. Deur, Y. Prok, V. Burkert +6

We present a significantly improved determination of the Bjorken Sum for 0.6$\le Q^2\le$4.8 GeV${}^2$ using precise new $g_1^p$ and $g_1^d$ data taken with the CLAS det…