d d~ -> d4 d4~ -> u u~ w- w+ 2 ! QCD 4 ! QED 0 ! XTR u~ u -> d4 d4~ -> u u~ w- w+ 2 ! QCD 4 ! QED 0 ! XTR u u~ -> d4 d4~ -> u u~ w- w+ 2 ! QCD 4 ! QED 0 ! XTR s~ s -> d4 d4~ -> u u~ w- w+ 2 ! QCD 4 ! QED 0 ! XTR s s~ -> d4 d4~ -> u u~ w- w+ 2 ! QCD 4 ! QED 0 ! XTR c~ c -> d4 d4~ -> u u~ w- w+ 2 ! QCD 4 ! QED 0 ! XTR c c~ -> d4 d4~ -> u u~ w- w+ 2 ! QCD 4 ! QED 0 ! XTR g g -> d4 d4~ -> u u~ w- w+ 2 ! QCD 4 ! QED 0 ! XTR