1 | (* ********************************************************* *)
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2 | (* ***** ***** *)
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3 | (* ***** FeynRules model file: SM + monotops ***** *)
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4 | (* ***** Author: B. Fuks ***** *)
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5 | (* ***** ***** *)
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6 | (* ********************************************************* *)
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7 |
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8 | (* ************************** *)
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9 | (* ***** Information ***** *)
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10 | (* ************************** *)
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11 | M$ModelName = "MonoTops";
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12 | M$Information = { Authors->{"Benjamin Fuks"}, Emails->{"fuks@cern.ch"}, Institutions->{"IPHC Strasbourg / University of Strasbourg"},
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13 | Date->"05.07.11", Version->"1.0.0",
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14 | References->{"J. Andrea, B. Fuks, F. Maltoni, arXiv:1106.6199 [hep-ph]"},
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15 | URLs->{"http://feynrules.phys.ucl.ac.be/view/Main/Monotops"} };
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16 | FeynmanGauge = True;
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17 | $Flag4F = 1;
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18 |
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19 |
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20 | (* ************************** *)
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21 | (* ***** Fields ***** *)
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22 | (* ************************** *)
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23 | M$ClassesDescription = {
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24 | (* Additional fermion for monotops *)
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25 | F[5] == { ClassName->FMET, SelfConjugate->True, Mass->{MFM,50}, Width->{WFM,10},
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26 | ParticleName->"fmet",
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27 | PDG->9000003,PropagatorLabel->"FMET", PropagatorType->Straight, PropagatorArrow->None},
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28 |
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29 | (* Additional gauge boson for monotops *)
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30 | V[7] == { ClassName->VMET, SelfConjugate->True, Mass->{MVM,50.}, Width->{WVM,10.}, ParticleName->"vmet",
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31 | PDG->9000002, PropagatorLabel->"VMET", PropagatorType->Sine, PropagatorArrow->None},
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32 | V[8] == { ClassName->VC, SelfConjugate->False, Indices->{Index[Colour]}, Mass->{MVC,500}, Width->{WVC,10}, QuantumNumbers->{Q->2/3},
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33 | ParticleName->"vc", AntiParticleName->"vc~",
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34 | PDG->9000005, PropagatorLabel->"VC", PropagatorType->Sine, PropagatorArrow->Forward},
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35 |
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36 | (* Additional scalars for monotops *)
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37 | S[4] == { ClassName->SMET, SelfConjugate->True, Mass->{MSM, 50}, Width->{WSM,10.},
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38 | ParticleName->"smet",
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39 | PDG->9000001, PropagatorLabel->"SMET", PropagatorType->ScalarDash, PropagatorArrow->None },
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40 | S[5] == { ClassName->phiC, SelfConjugate->False, Mass->{MSC, 1000}, Width->{WSC,10.}, Indices->{Colour}, QuantumNumbers->{Q->2/3},
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41 | ParticleName->"phic", AntiParticleName->"phic~",
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42 | PDG->9000004, PropagatorLabel->"phiC", PropagatorType->ScalarDash, PropagatorArrow->Forward},
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43 | S[6] == { ClassName->tphiC, SelfConjugate->False, Mass->{tMSC, 1000}, Width->{tWSC,10.}, Indices->{Colour}, QuantumNumbers->{Q->-1/3},
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44 | ParticleName->"tphic", AntiParticleName->"tphic~",
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45 | PDG->9000006, PropagatorLabel->"tphiC", PropagatorType->ScalarDash, PropagatorArrow->Forward}
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46 | };
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47 |
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48 | (* ************************** *)
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49 | (* ***** Parameters ***** *)
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50 | (* ************************** *)
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51 | M$Parameters = {
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52 | (* Monotop couplings: extermal parameters *)
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53 | A0FC == { TeX->Subsuperscript[A,FC,0], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation],Index[Generation]}, BlockName->A0FC,
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54 | Value-> {
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55 | A0FC[1,1]->0., A0FC[1,2]->0., A0FC[1,3]->0.1,
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56 | A0FC[2,1]->0., A0FC[2,2]->0., A0FC[2,3]->0.,
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57 | A0FC[3,1]->0.1, A0FC[3,2]->0., A0FC[3,3]->0. },
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58 | InteractionOrder->{MT1,1}, Description->"FCNC scalar quark-quark couplings"},
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59 | B0FC == { TeX->Subsuperscript[B,FC,0], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation],Index[Generation]}, BlockName->B0FC,
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60 | Value-> {B0FC[_,_]->0}, InteractionOrder->{MT1,1},
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61 | Description->"FCNC pseudoscalar quark-quark couplings"},
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62 | A1FC == { TeX->Subsuperscript[A,FC,1], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation],Index[Generation]}, BlockName->A1FC,
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63 | Value-> {
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64 | A1FC[1,1]->0., A1FC[1,2]->0., A1FC[1,3]->0.1,
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65 | A1FC[2,1]->0., A1FC[2,2]->0., A1FC[2,3]->0.,
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66 | A1FC[3,1]->0.1, A1FC[3,2]->0., A1FC[3,3]->0. },
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67 | InteractionOrder->{MT2,1}, Description->"FCNC vector quark-quark couplings"},
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68 | B1FC == { TeX->Subsuperscript[B,FC,1], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation],Index[Generation]}, BlockName->B1FC,
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69 | Value-> {B1FC[_,_]->0}, InteractionOrder->{MT2,1},
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70 | Description->"FCNC pseudovector quark-quark couplings"},
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71 | A12S == { TeX->Subsuperscript[A,S,12], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation]}, BlockName->A12S,
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72 | Value-> {A12S[1]->0., A12S[2]->0., A12S[3]->0.1 } ,
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73 | InteractionOrder->{MT3,1}, Description->"Colored scalar resonance couplings to quark-FMET"},
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74 | B12S == { TeX->Subsuperscript[B,S,12], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation]}, BlockName->B12S,
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75 | Value-> {B12S[_]->0}, InteractionOrder->{MT3,1},
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76 | Description->"Colored scalar resonance couplings to quark-FMET"},
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77 | tA12S == { TeX->Subsuperscript[tA,S,12], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation]}, BlockName->tA12S,
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78 | Value-> {tA12S[1]->0.1, tA12S[2]->0.1, tA12S[3]->0. } ,
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79 | InteractionOrder->{MT3,1}, Description->"t-channel and u-channel contributions to a 4F interaction"},
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80 | tB12S == { TeX->Subsuperscript[tB,S,12], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation]}, BlockName->tB12S,
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81 | Value-> {tB12S[_]->0}, InteractionOrder->{MT3,1}, Description->"t-channel and u-channel contributions to a 4F interaction"},
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82 | AQS == { TeX->Subsuperscript[A,RS,Q], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation],Index[Generation]}, BlockName->AQS,
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83 | Value-> {
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84 | AQS[1,1]->0., AQS[1,2]->0.1, AQS[1,3]->0.,
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85 | AQS[2,1]->-0.1, AQS[2,2]->0., AQS[2,3]->0.,
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86 | AQS[3,1]->0., AQS[3,2]->0., AQS[3,3]->0. },
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87 | InteractionOrder->{MT3,1}, Description->"t-channel and u-channel contributions to a 4F interaction"},
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88 | BQS == { TeX->Subsuperscript[B,RS,Q], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation],Index[Generation]}, BlockName->BQS,
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89 | Value-> {BQS[_,_]->0}, InteractionOrder->{MT3,1},
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90 | Description->"Colored scalar resonance couplings to quarks"},
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91 | tAQS == { TeX->Subsuperscript[tA,RS,Q], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation],Index[Generation]}, BlockName->tAQS,
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92 | Value-> {
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93 | tAQS[1,1]->0., tAQS[1,2]->0., tAQS[1,3]->0.1,
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94 | tAQS[2,1]->0., tAQS[2,2]->0., tAQS[2,3]->0.1,
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95 | tAQS[3,1]->0., tAQS[3,2]->0., tAQS[3,3]->0. },
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96 | InteractionOrder->{MT3,1}, Description->"t-channel and u-channel contributions to a 4F interaction"},
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97 | tBQS == { TeX->Subsuperscript[tB,RS,Q], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation],Index[Generation]}, BlockName->tBQS,
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98 | Value-> {tBQS[_,_]->0}, InteractionOrder->{MT3,1},
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99 | Description->"Colored scalar resonance couplings to quarks"},
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100 | A12V == { TeX->Subsuperscript[A,V,12], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation]}, BlockName->A12V,
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101 | Value->{A12V[1]->0., A12V[2]->0., A12V[3]->0.1 } ,
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102 | InteractionOrder->{MT4,1}, Description->"Colored vector resonance couplings to quark-FMET"},
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103 | B12V == { TeX->Subsuperscript[B,V,12], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation]}, BlockName->B12V,
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104 | Value-> {B12V[_]->0}, InteractionOrder->{MT4,1},
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105 | Description->"Colored vector resonance couplings to quark-FMET"},
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106 | AQV == { TeX->Subsuperscript[A,RV,Q], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation],Index[Generation]}, BlockName->AQV,
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107 | Value-> {
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108 | AQV[1,1]->0.1, AQV[1,2]->0., AQV[1,3]->0.,
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109 | AQV[2,1]->0., AQV[2,2]->0., AQV[2,3]->0.,
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110 | AQV[3,1]->0., AQV[3,2]->0., AQV[3,3]->0. },
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111 | InteractionOrder->{MT4,1}, Description->"Colored vector resonance couplings to quarks"},
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112 | BQV == { TeX->Subsuperscript[B,RV,Q], ParameterType->External, ComplexParameter->False, Indices->{Index[Generation],Index[Generation]}, BlockName->BQV,
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113 | Value-> {BQV[_,_]->0}, InteractionOrder->{MT4,1},
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114 | Description->"Colored vector resonance couplings to quarks"}
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115 | };
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116 |
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117 |
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118 | (* Monotop Lagrangian pieces *)
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119 | LMono := Module[{L0,L1,L120,L121,L120p,sp,sp1,sp2,f1,f2,c1,c2,c3},
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120 | L0 := SMET (uqbar[sp1,f1,c1].uq[sp1,f2,c1] A0FC[f1,f2] + uqbar[sp1,f1,c1].Ga[5,sp1,sp2].uq[sp2,f2,c1] B0FC[f1,f2]);
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121 | L1 := VMET[mu] (uqbar[sp1,f1,c1].Ga[mu,sp1,sp2].uq[sp2,f2,c1] A1FC[f1,f2] + uqbar[sp1,f1,c1].Ga[mu,sp1,sp2].Ga[5,sp2,sp].uq[sp,f2,c1] B1FC[f1,f2]);
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122 | L120:= phiC[c3] Eps[c1,c2,c3] (CC[dqbar][sp1,f1,c1].dq[sp1,f2,c2] AQS[f1,f2] + CC[dqbar][sp1,f1,c1].Ga[5,sp1,sp2].dq[sp2,f2,c2] BQS[f1,f2]) +
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123 | phiC[c1] (uqbar[sp1,f1,c1].FMET[sp1] A12S[f1] + uqbar[sp1,f1,c1].Ga[5,sp1,sp2].FMET[sp2] B12S[f1]);
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124 | L120p:=tphiC[c3] Eps[c1,c2,c3] (CC[dqbar][sp1,f1,c1].uq[sp1,f2,c2] tAQS[f1,f2] + CC[dqbar][sp1,f1,c1].Ga[5,sp1,sp2].uq[sp2,f2,c2] tBQS[f1,f2]) +
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125 | tphiC[c1] (dqbar[sp1,f1,c1].FMET[sp1] tA12S[f1] + dqbar[sp1,f1,c1].Ga[5,sp1,sp2].FMET[sp2] tB12S[f1]);
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126 | L121:= VC[mu,c3] Eps[c1,c2,c3] (CC[dqbar][sp1,f1,c1].Ga[mu,sp1,sp2].dq[sp2,f2,c2] AQV[f1,f2] +
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127 | CC[dqbar][sp1,f1,c1].Ga[mu,sp1,sp2].Ga[5,sp2,sp].dq[sp,f2,c2] BQV[f1,f2]) +
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128 | VC[mu,c1] (uqbar[sp1,f1,c1].Ga[mu,sp1,sp2].FMET[sp2] A12V[f1] + uqbar[sp1,f1,c1].Ga[mu,sp1,sp2].Ga[5,sp2,sp].FMET[sp] B12V[f1]);
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129 | L0+L1+L120+L121+$Flag4F*L120p + HC[L0+L1+L120+L121+$Flag4F*L120p]];
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