% smtau.t1 -- generated from smtau.mp \fmfL(28.33336,36,b){$\Pgtm $}% \fmfL(127.94641,46.28162,t){$\APmuon $}% \fmfL(72.48555,45.88972,rb){$\Pphoton /\PZ $}% \fmfL(127.18025,68.1724,b){$\Pmuon $}% \fmfL(85.00002,24,t){$\PWminus $}% \fmfL(85.00002,-4.33333,t){{$\Pgngt \to \Pgngm $}}% \fmfL(141.66667,24,t){$\Pmuon $}%