Four-loop large-nf contributions to the non-singlet structure functions F2 and FL
Four-loop large-nf contributions to the non-singlet structure functions F2 and FL
A bstract We have calculated the $$ {n}_f^2 $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msubsup> <mml:mi>n</mml:mi> <mml:mi>f</mml:mi> <mml:mn>2</mml:mn> </mml:msubsup> </mml:math> and $$ {n}_f^3 $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msubsup> <mml:mi>n</mml:mi> <mml:mi>f</mml:mi> <mml:mn>3</mml:mn> </mml:msubsup> </mml:math> contributions to the flavour non-singlet structure functions F 2 and F L in inclusive deep-inelastic scattering at the fourth order in …