
(* description = "pp -> ttVV+jets|pp -> ttAA+jets|pp -> ttAA|Top-quark pair and two photons production." *)

SelectCoupling = Exponent[#1, eQED] == 2 & ;
SelectInterference = {eQED -> 4};

(* ttxddxaa *) SubProcess[1] = {FeynArtsProcess -> {F[4,{1}], -F[4,{1}]} -> {F[3,{3}], -F[3,{3}], V[1], V[1]}};
(* uuxttxaa *) SubProcess[2] = {FeynArtsProcess -> {F[3,{1}], -F[3,{1}]} -> {F[3,{3}], -F[3,{3}], V[1], V[1]}};
(* ttxaagg  *) SubProcess[3] = {FeynArtsProcess -> {V[5]    ,  V[5]    } -> {F[3,{3}], -F[3,{3}], V[1], V[1]}};
(* ttxbbxaa *) SubProcess[4] = {FeynArtsProcess -> {F[4,{3}], -F[4,{3}]} -> {F[3,{3}], -F[3,{3}], V[1], V[1]}};

ChannelMap = {
  "ttxbbxaa" -> "ttxddxaa MB=0"
};
