1 | (* ********************************************************* *)
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2 | (* ***** ***** *)
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3 | (* ***** FeynRules model file: SM + colored scalars ***** *)
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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$ModelName = "ColoredScalars";
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12 | M$Information = {
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13 | Authors -> {"Benjamin Fuks"},
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14 | Emails -> {"benjamin.fuks@iphc.cnrs.fr"},
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15 | Institutions -> {"IPHC Strasbourg / University of Strasbourg"},
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16 | Date -> "11.07.14",
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17 | Version -> "1.0",
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18 | References -> "C. Degrande, B. Fuks, V. Hirschi, J. Proudom and H.S. Shao, arXiv:1412.XXXX [hep-ph]"};
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19 |
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20 | (* Change log *)
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21 | (* 11.07.2014 - v1.0 - version 1 of the model *)
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22 |
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23 |
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24 | (* ************************** *)
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25 | (* ***** Orders ***** *)
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26 | (* ************************** *)
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27 | M$InteractionOrderHierarchy = { {QCD, 1}, {QED, 2}, {NP,1} };
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28 | M$InteractionOrderLimit = { {QCD, 99}, {QED, 99}, {NP,1} };
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29 |
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30 | (* ************************** *)
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31 | (* ***** Fields ***** *)
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32 | (* ************************** *)
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33 | M$ClassesDescription = {
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34 | S[4] == {
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35 | ClassName -> sig8,
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36 | SelfConjugate -> True,
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37 | Indices -> {Index[Gluon]},
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38 | Mass -> {m8,400},
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39 | Width -> {w8,10},
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40 | ParticleName -> "sig8",
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41 | PDG -> 9000001,
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42 | PropagatorLabel -> "sig8",
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43 | PropagatorType -> ScalarDash,
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44 | PropagatorArrow -> Forward
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45 | }
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46 | };
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47 |
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48 | (* ************************** *)
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49 | (* ***** Parameters ***** *)
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50 | (* ************************** *)
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51 | M$Parameters = {
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52 | g8Lu == {
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53 | TeX -> Subsuperscript[g,"8u",L],
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54 | ComplexParameter -> False,
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55 | ParameterType -> External,
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56 | Indices -> {Index[Generation],Index[Generation]},
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57 | BlockName -> NPG8LU,
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58 | Value -> {
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59 | g8Lu[1,1] -> 0.001, g8Lu[1,2] -> 0.001, g8Lu[1,3] -> 0.001,
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60 | g8Lu[2,1] -> 0.001, g8Lu[2,2] -> 0.001, g8Lu[2,3] -> 0.001,
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61 | g8Lu[3,1] -> 0.001, g8Lu[3,2] -> 0.001, g8Lu[3,3] -> 0.001},
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62 | InteractionOrder -> {{NP,1},{QCD,3}},
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63 | Description -> "Sgluon coupling to left-handed up-type quarks"
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64 | },
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65 | g8Ru == {
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66 | TeX -> Subsuperscript[g,"8u",R],
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67 | ComplexParameter -> False,
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68 | ParameterType -> External,
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69 | Indices -> {Index[Generation],Index[Generation]},
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70 | BlockName -> NPG8RU,
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71 | Value -> {
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72 | g8Ru[1,1] -> 0.001, g8Ru[1,2] -> 0.001, g8Ru[1,3] -> 0.001,
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73 | g8Ru[2,1] -> 0.001, g8Ru[2,2] -> 0.001, g8Ru[2,3] -> 0.001,
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74 | g8Ru[3,1] -> 0.001, g8Ru[3,2] -> 0.001, g8Ru[3,3] -> 0.001},
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75 | InteractionOrder -> {{NP,1},{QCD,3}},
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76 | Description -> "Sgluon coupling to right-handed up-type quarks"
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77 | },
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78 | g8Ld == {
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79 | TeX -> Subsuperscript[g,"8d",L],
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80 | ComplexParameter -> False,
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81 | ParameterType -> External,
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82 | Indices -> {Index[Generation],Index[Generation]},
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83 | BlockName -> NPG8LD,
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84 | Value -> {
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85 | g8Ld[1,1] -> 0.001, g8Ld[1,2] -> 0.001, g8Ld[1,3] -> 0.001,
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86 | g8Ld[2,1] -> 0.001, g8Ld[2,2] -> 0.001, g8Ld[2,3] -> 0.001,
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87 | g8Ld[3,1] -> 0.001, g8Ld[3,2] -> 0.001, g8Ld[3,3] -> 0.001},
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88 | InteractionOrder -> {{NP,1},{QCD,3}},
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89 | Description -> "Sgluon coupling to left-handed down-type quarks"
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90 | },
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91 | g8Rd == {
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92 | TeX -> Subsuperscript[g,"8d",R],
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93 | ComplexParameter -> False,
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94 | ParameterType -> External,
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95 | Indices -> {Index[Generation],Index[Generation]},
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96 | BlockName -> NPG8RD,
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97 | Value -> {
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98 | g8Rd[1,1] -> 0.001, g8Rd[1,2] -> 0.001, g8Rd[1,3] -> 0.001,
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99 | g8Rd[2,1] -> 0.001, g8Rd[2,2] -> 0.001, g8Rd[2,3] -> 0.001,
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100 | g8Rd[3,1] -> 0.001, g8Rd[3,2] -> 0.001, g8Rd[3,3] -> 0.001},
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101 | InteractionOrder -> {{NP,1},{QCD,3}},
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102 | Description -> "Sgluon coupling to right-handed down-type quarks"
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103 | },
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104 |
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105 | g8g == {
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106 | TeX -> Subscript[g,"8g"],
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107 | ParameterType -> External,
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108 | ComplexParameter -> False,
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109 | BlockName -> NPG8G,
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110 | Value -> 1.0*^-6,
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111 | InteractionOrder -> {{NP,1},{QCD,3}},
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112 | Description -> "Sgluon coupling to gluons divided by lambda"}
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113 | };
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114 |
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115 | (* ************************** *)
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116 | (* ***** Lagrangian ***** *)
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117 | (* ************************** *)
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118 | L1 := 1/2 DC[sig8[aa],mu] DC[sig8[aa],mu] - 1/2 m8^2 sig8[aa] sig8[aa];
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119 |
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120 | L2a := sig8[a] T[a,m,n] (g8Ld[ff,gg] ProjM[sp,sp2] + g8Rd[ff,gg] ProjP[sp,sp2]) dqbar[sp,ff,m].dq[sp2,gg,n] +
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121 | sig8[a] T[a,m,n] (g8Lu[ff,gg] ProjM[sp,sp2] + g8Ru[ff,gg] ProjP[sp,sp2]) uqbar[sp,ff,m].uq[sp2,gg,n];
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122 |
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123 | L2b = g8g dSUN[a,b,c] sig8[a] FS[G,mu,nu,b] FS[G,mu,nu,c];
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124 |
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125 | LagNP := L1 + L2a + HC[L2a] + L2b;
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