\unitlength=3.bp%
%\SetScale{1.6}
\begin{small}
\begin{feynartspicture}(120,40)(3,1)
%\FALabel(33.,69.96)[]{\large $u\quad g\quad \to\quad l\quad l\quad u$}

\FADiagram{}
\FAProp(0.,15.)(5.,13.)(0.,){/Straight}{1}
\FALabel(3.07566,14.9591)[b]{$q$}
\FAProp(0.,5.)(5.,7.)(0.,){/Cycles}{0}
\FALabel(3.07566,5.04086)[t]{$\mathrm{g}$}
\FAProp(20.,17.)(10.5,14.5)(0.,){/Straight}{-1}
\FALabel(14.8555,16.769)[b]{$l$}
\FAProp(20.,10.)(14.,10.)(0.,){/Straight}{1}
\FALabel(17.,11.07)[b]{$l$}
\FAProp(20.,3.)(10.5,5.5)(0.,){/Straight}{-1}
\FALabel(14.8555,3.23103)[t]{$q$}
\FAProp(5.,13.)(5.,7.)(0.,){/Straight}{1}
\FALabel(3.93,10.)[r]{$q$}
%\textcolor{red}{
\FAProp(5.,13.)(10.5,14.5)(0.,){/Sine}{0}%}
\FALabel(7.34217,14.7654)[b]{$\mathrm{Z}/\gamma$}
\FAProp(5.,7.)(10.5,5.5)(0.,){/Straight}{1}
\FALabel(7.34217,5.23462)[t]{$q$}
\FAProp(10.5,14.5)(14.,10.)(0.,){/Straight}{-1}
\FALabel(12.9935,12.7216)[bl]{$l$}
\FAProp(14.,10.)(10.5,5.5)(0.,){/Sine}{0}
\FALabel(12.9935,7.27839)[tl]{$\mathrm{Z}/\gamma$}
\FAVert(5.,13.){0}
\FAVert(5.,7.){0}
\FAVert(10.5,14.5){0}
\FAVert(14.,10.){0}
\FAVert(10.5,5.5){0}

\FADiagram{}
\FAProp(0.,15.)(5.,13.)(0.,){/Straight}{1}
\FALabel(3.07566,14.9591)[b]{$q$}
\FAProp(0.,5.)(5.,7.)(0.,){/Cycles}{0}
\FALabel(3.07566,5.04086)[t]{$\mathrm{g}$}
\FAProp(20.,17.)(14.,10.)(0.,){/Straight}{-1}
\FALabel(18.2902,16.1827)[br]{$l$}
\FAProp(20.,10.)(10.5,14.5)(0.,){/Straight}{1}
\FALabel(18.373,9.75407)[tr]{$l$}
\FAProp(20.,3.)(10.5,5.5)(0.,){/Straight}{-1}
\FALabel(14.8555,3.23103)[t]{$q$}
\FAProp(5.,13.)(5.,7.)(0.,){/Straight}{1}
\FALabel(3.93,10.)[r]{$q$}
%\textcolor{red}{
\FAProp(5.,13.)(10.5,14.5)(0.,){/Sine}{0}%}
\FALabel(7.34217,14.7654)[b]{$\mathrm{Z}/\gamma$}
\FAProp(5.,7.)(10.5,5.5)(0.,){/Straight}{1}
\FALabel(7.34217,5.23462)[t]{$q$}
\FAProp(14.,10.)(10.5,14.5)(0.,){/Straight}{-1}
\FALabel(11.5065,11.7784)[tr]{$l$}
\FAProp(14.,10.)(10.5,5.5)(0.,){/Sine}{0}
\FALabel(12.9935,7.27839)[tl]{$\mathrm{Z}/\gamma$}
\FAVert(5.,13.){0}
\FAVert(5.,7.){0}
\FAVert(14.,10.){0}
\FAVert(10.5,14.5){0}
\FAVert(10.5,5.5){0}

\FADiagram{}
\FAProp(0.,15.)(5.,13.)(0.,){/Straight}{1}
\FALabel(3.07566,14.9591)[b]{$q$}
\FAProp(0.,5.)(5.,7.)(0.,){/Cycles}{0}
\FALabel(3.07566,5.04086)[t]{$\mathrm{g}$}
\FAProp(20.,17.)(14.,10.)(0.,){/Straight}{-1}
\FALabel(18.2902,16.1827)[br]{$l$}
\FAProp(20.,10.)(10.5,14.5)(0.,){/Straight}{1}
\FALabel(18.373,9.75407)[tr]{$l$}
\FAProp(20.,3.)(10.5,5.5)(0.,){/Straight}{-1}
\FALabel(14.8555,3.23103)[t]{$q$}
\FAProp(5.,13.)(5.,7.)(0.,){/Straight}{1}
\FALabel(3.93,10.)[r]{$q'$}
%\textcolor{red}{
\FAProp(5.,13.)(10.5,14.5)(0.,){/Sine}{-1}%}
\FALabel(7.34217,14.7654)[b]{$\mathrm{W}$}
\FAProp(5.,7.)(10.5,5.5)(0.,){/Straight}{1}
\FALabel(7.34217,5.23462)[t]{$q'$}
\FAProp(14.,10.)(10.5,14.5)(0.,){/Straight}{-1}
\FALabel(11.5065,11.7784)[tr]{$\nu_l$}
%\textcolor{red}{
\FAProp(14.,10.)(10.5,5.5)(0.,){/Sine}{-1}%}
\FALabel(12.9935,7.27839)[tl]{$\mathrm{W}$}
\FAVert(5.,13.){0}
\FAVert(5.,7.){0}
\FAVert(14.,10.){0}
\FAVert(10.5,14.5){0}
\FAVert(10.5,5.5){0}
\end{feynartspicture}
\end{small}
