1 | (* ************************************************************************* *)
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2 | (* ***** ***** *)
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3 | (* ***** FeynRules model file: coloron ***** *)
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4 | (* ***** Authors: M. Baker, J. Fuentes-Martin, M. König, G. Isidori ***** *)
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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 |
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12 | M$ModelName = "coloron";
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13 |
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14 | M$Information = {Authors -> {"M. Baker", "J. Fuentes-Martin", "M. Koenig", "G. Isidori"},
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15 | Version -> "1.1",
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16 | Date -> "07.04.2021",
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17 | Institutions -> {"U. Zurich", "Johannes Gutenberg University Mainz"},
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18 | Emails -> {"baker@physik.uzh.ch", "jfuentes@uni-mainz.de", "matthias.koenig@tum.de", "isidori@physik.uzh.ch"}
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19 | };
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20 |
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21 | (* ************************** *)
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22 | (* *** Interaction orders *** *)
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23 | (* ************************** *)
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24 |
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25 | M$InteractionOrderHierarchy = { {QCD,1}, {NP,1}, {QED,2} };
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26 |
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27 |
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28 | (* ************************** *)
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29 | (* **** Particle classes **** *)
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30 | (* ************************** *)
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31 |
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32 | M$ClassesDescription = {
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33 | V[7] == {
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34 | ClassName -> Gp,
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35 | SelfConjugate -> True,
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36 | Indices -> {Index[Gluon]},
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37 | Mass -> {MGp, 4000},
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38 | Width -> {WGp, 800},
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39 | ParticleName -> "Gp",
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40 | PDG -> 44,
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41 | PropagatorLabel -> "Gp",
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42 | PropagatorType -> C,
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43 | PropagatorArrow -> None,
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44 | FullName -> "Color-octect (coloron)"
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45 | }
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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 |
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52 | M$Parameters = {
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53 | (* External Parameters *)
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54 | gGp == {
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55 | ParameterType -> External,
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56 | Value -> 3.0,
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57 | InteractionOrder -> {NP,1},
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58 | TeX -> Subscript[g,Gp],
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59 | BlockName -> NPGPCOUP,
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60 | OrderBlock -> 1,
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61 | Description -> "Overall Gp coupling strength"
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62 | },
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63 |
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64 | kappaq33 == {
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65 | ParameterType -> External,
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66 | Value -> 1.0,
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67 | InteractionOrder -> {NP,0},
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68 | TeX -> Subscript[Superscript[\[Kappa],L],33],
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69 | BlockName -> NPGPCOUP,
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70 | OrderBlock -> 2,
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71 | Description -> "Gp LH coupling third generation"
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72 | },
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73 |
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74 | kappaRu33 == {
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75 | ParameterType -> External,
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76 | Value -> 1.0,
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77 | InteractionOrder -> {NP,0},
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78 | TeX -> Subscript[Superscript[\[Kappa],Ru],33],
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79 | BlockName -> NPGPCOUP,
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80 | OrderBlock -> 3,
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81 | Description -> "Gp RH tt coupling"
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82 | },
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83 |
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84 | kappaRd33 == {
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85 | ParameterType -> External,
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86 | Value -> 1.0,
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87 | InteractionOrder -> {NP,0},
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88 | TeX -> Subscript[Superscript[\[Kappa],Rd],33],
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89 | BlockName -> NPGPCOUP,
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90 | OrderBlock -> 4,
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91 | Description -> "Gp RH bb coupling"
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92 | },
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93 |
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94 | kappaqll == {
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95 | ParameterType -> External,
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96 | Value -> 0.0,
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97 | InteractionOrder -> {NP,0},
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98 | TeX -> Subscript[Superscript[\[Kappa],L],ll],
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99 | BlockName -> NPGPCOUP,
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100 | OrderBlock -> 5,
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101 | Description -> "Gp LH coupling light-generations"
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102 | },
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103 |
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104 | kappaRull == {
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105 | ParameterType -> External,
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106 | Value -> 0.0,
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107 | InteractionOrder -> {NP,0},
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108 | TeX -> Subscript[Superscript[\[Kappa],Ru],ll],
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109 | BlockName -> NPGPCOUP,
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110 | OrderBlock -> 6,
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111 | Description -> "Gp RH up-type light-quark coupling"
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112 | },
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113 |
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114 | kappaRdll == {
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115 | ParameterType -> External,
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116 | Value -> 0.0,
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117 | InteractionOrder -> {NP,0},
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118 | TeX -> Subscript[Superscript[\[Kappa],Rd],ll],
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119 | BlockName -> NPGPCOUP,
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120 | OrderBlock -> 7,
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121 | Description -> "Gp RH light down-quark coupling"
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122 | },
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123 |
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124 | kappaG1 == {
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125 | ParameterType -> External,
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126 | Value -> 0.0,
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127 | InteractionOrder -> {NP,0},
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128 | TeX -> Subscript[\[Kappa],G2],
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129 | BlockName -> NPGPCOUP,
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130 | OrderBlock -> 8,
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131 | Description -> "Non-minimal Gp coupling to gluons 1"
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132 | },
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133 |
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134 | kappaG2 == {
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135 | ParameterType -> External,
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136 | Value -> 0.0,
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137 | InteractionOrder -> {NP,0},
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138 | TeX -> Subscript[\[Kappa],G1],
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139 | BlockName -> NPGPCOUP,
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140 | OrderBlock -> 9,
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141 | Description -> "Non-minimal Gp coupling to gluons 2"
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142 | },
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143 |
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144 | (* Internal Parameters *)
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145 | kappaL == {
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146 | ParameterType -> Internal,
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147 | Indices -> {Index[Generation], Index[Generation]},
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148 | Hermitian -> True,
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149 | Definitions -> {kappaL[i_?NumericQ, j_?NumericQ] :> 0 /; (i =!= j)},
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150 | Value -> {kappaL[1,1] -> kappaqll, kappaL[2,2] -> kappaqll, kappaL[3,3] -> kappaq33},
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151 | InteractionOrder -> {NP,0},
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152 | TeX -> Subscript[\[Kappa],L],
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153 | Description -> "Gp LH coupling matrix"
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154 | },
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155 |
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156 | kappaRu == {
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157 | ParameterType -> Internal,
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158 | Indices -> {Index[Generation], Index[Generation]},
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159 | Hermitian -> True,
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160 | Definitions -> {kappaRu[i_?NumericQ, j_?NumericQ] :> 0 /; (i =!= j)},
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161 | Value -> {kappaRu[1,1] -> kappaRull, kappaRu[2,2] -> kappaRull, kappaRu[3,3] -> kappaRu33},
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162 | InteractionOrder -> {NP,0},
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163 | TeX -> Subscript[\[Kappa],Ru],
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164 | Description -> "Gp RH up-type coupling matrix"
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165 | },
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166 |
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167 | kappaRd == {
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168 | ParameterType -> Internal,
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169 | Indices -> {Index[Generation], Index[Generation]},
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170 | Hermitian -> True,
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171 | Definitions -> {kappaRd[i_?NumericQ, j_?NumericQ] :> 0 /; (i =!= j)},
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172 | Value -> {kappaRd[1,1] -> kappaRdll, kappaRd[2,2] -> kappaRdll, kappaRd[3,3] -> kappaRd33},
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173 | InteractionOrder -> {NP,0},
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174 | TeX -> Subscript[\[Kappa],Rd],
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175 | Description -> "Gp RH down-type coupling matrix"
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176 | }
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177 | };
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178 |
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179 |
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180 |
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181 | (* ************************** *)
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182 | (* ***** Lagrangian ***** *)
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183 | (* ************************** *)
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184 |
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185 | LGpKin := Block[{mu,nu,aa1}, - 1/4 * (DC[Gp[mu,aa1], nu] - DC[Gp[nu,aa1], mu]) * (DC[Gp[mu,aa1], nu] - DC[Gp[nu,aa1], mu]) ];
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186 |
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187 | LGpF := Block[{ff1,ff2,s1,s2,s3,aa1,cc1,cc2,mu},
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188 | gGp * Gp[mu,aa1] *
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189 | (
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190 | kappaL[ff1,ff2] * newCKM[ff3,ff1] * uqbar[s1,ff3,cc1] * T[aa1,cc1,cc2] * Ga[mu,s1,s2] * ProjM[s2,s3] * Conjugate[newCKM[ff4,ff2]] * uq[s3,ff4,cc2] +
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191 | kappaL[ff1,ff2] * dqbar[s1,ff1,cc1] * T[aa1,cc1,cc2] * Ga[mu,s1,s2] * ProjM[s2,s3] * dq[s3,ff2,cc2] +
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192 | kappaRu[ff1,ff2] * uqbar[s1,ff1,cc1] * T[aa1,cc1,cc2] * Ga[mu,s1,s2] * ProjP[s2,s3] * uq[s3,ff2,cc2] +
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193 | kappaRd[ff1,ff2] * dqbar[s1,ff1,cc1] * T[aa1,cc1,cc2] * Ga[mu,s1,s2] * ProjP[s2,s3] * dq[s3,ff2,cc2]
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194 | )
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195 | ];
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196 |
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197 | LGpG := Block[{aa1,aa2,aa3,mu,nu},
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198 | 1/2 * kappaG1 * (DC[Gp[nu,aa1], mu] - DC[Gp[mu,aa1], nu]) * FS[G,mu,nu,aa1] +
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199 | gs * kappaG2 * f[aa1,aa2,aa3] * Gp[mu,aa1] * Gp[nu,aa2] * FS[G,mu,nu,aa3]
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200 | ];
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201 |
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202 | LGp := LGpKin + LGpF + LGpG;
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