SingletDM  ~x 
 Lagrangian ~x
P1   |P2   |P3   |P4   |>   Factor   ~x                                  <|> dLagrangian/ dA(p1) dA(p2) dA(p3)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       <|
h    |~x   |~x   |     |-4*MW*SW*laSH/EE                                  |1
W+.f |W-.f |~x   |~x   |-2*laSH                                           |1
Z.f  |Z.f  |~x   |~x   |-2*laSH                                           |1
h    |h    |~x   |~x   |-2*laSH                                           |1
~x   |~x   |~x   |~x   |-6*laS                                            |1
