Use the textbook ghost Feynman rule

alphal00p · Aug 17, 2022 · 5a4b45f · 5a4b45f
1 parent 69eb13b
commit 5a4b45f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/alpha_loop/numerator.frm b/alpha_loop/numerator.frm
@@ -378,7 +378,7 @@ id vx(`GHOPRIME', `SDUMMY', `GHOPRIME', p1?, p2?, p3?, idx1?, idx2?, idx3?) = i_
 
 * vertices
 id vx(x1?{`QBAR'}, `GLU', x2?{`Q'}, p1?, p2?, p3?, idx1?, idx2?, idx3?) = -gs * T(colF[idx1], colA[idx2], colF[idx3]);
-id vx(`GHOBAR', `GLU', `GHO', p1?, p2?, p3?, idx1?, idx2?, idx3?) = -gs * i_ * colf(colA[idx3], colA[idx2], colA[idx1]) * (1/2);
+id vx(`GHOBAR', `GLU', `GHO', p1?, p2?, p3?, idx1?, idx2?, idx3?) = -gs * i_ * colf(colA[idx3], colA[idx2], colA[idx1]);
 id vx(x1?{`QBAR'}, `PHO', x2?{`Q'}, p1?, p2?, p3?, idx1?, idx2?, idx3?) = charges(x2) * ge * i_ * d_(colF[idx1], colF[idx3]);
 id vx(x1?{`LBAR'}, `PHO', x2?{`L'}, p1?, p2?, p3?, idx1?, idx2?, idx3?) = charges(x2) * ge * i_;
 id vx(x1?{`QBAR'}, `H', x2?{`Q'}, p1?, p2?, p3?, idx1?, idx2?, idx3?) = -gyq(x1) * i_ * d_(colF[idx1], colF[idx3]);
@@ -542,7 +542,7 @@ id vx(`GHOBAR', `SDUMMY', `GHOPRIMEBAR', p1?, p2?, p3?, idx1?, idx2?, idx3?) = d
 
 * vertices
 id vx(x1?{`QBAR'}, `GLU', x2?{`Q'}, p1?, p2?, p3?, idx1?, idx2?, idx3?) = gamma(dirac[idx1], lorentz[idx2], dirac[idx3]) ;
-id vx(`GHOBAR', `GLU', `GHO', p1?, p2?, p3?, idx1?, idx2?, idx3?) = (p3(lorentz[idx2])-p1(lorentz[idx2]));
+id vx(`GHOBAR', `GLU', `GHO', p1?, p2?, p3?, idx1?, idx2?, idx3?) = p3(lorentz[idx2]);
 id vx(x1?{`QBAR'}, `PHO', x2?{`Q'}, p1?, p2?, p3?, idx1?, idx2?, idx3?) = gamma(dirac[idx1], lorentz[idx2], dirac[idx3]);
 id vx(x1?{`LBAR'}, `PHO', x2?{`L'}, p1?, p2?, p3?, idx1?, idx2?, idx3?) = gamma(dirac[idx1], lorentz[idx2], dirac[idx3]);
 id vx(x1?{`QBAR'}, `H', x2?{`Q'}, p1?, p2?, p3?, idx1?, idx2?, idx3?) = d_(dirac[idx1], dirac[idx3]);