Abstract
We have computed analytically within the framework of perturbative QCD the O(${\mathrm{\ensuremath{\alpha}}}_{\mathit{s}}^{3}$) corrections to the Bjorken sum rule for deep-inelastic neutrino-nucleon scattering. For five active flavors the correction is about -8.49 (${\mathrm{\ensuremath{\alpha}}}_{\mathit{s}}$/\ensuremath{\pi}${)}^{3}$ times the zeroth-order contribution within the modified minimal-subtraction scheme.
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