SimplifiedDM: dq3_met.fr

File dq3_met.fr, 5.3 KB (added by Maikel de Vries, 10 years ago)
Line 
1(* ********************************************************* *)
2(* ***** Resonance + MET: Diquark (Triplet) ***** *)
3(* ***** ***** *)
4(* ***** License: CC-BY 4.0 ***** *)
5(* ********************************************************* *)
6
7
8(* ************************** *)
9(* ***** Information ***** *)
10(* ************************** *)
11
12M$ModelName = "Resonance + MET: Diquark (Triplet)";
13
14M$ModelOutputDir = "dq3_met";
15
16M$Information = {
17 Authors -> {"A. Kaminska", "M. de Vries"},
18 Institutions -> {"MITP, Mainz"},
19 Emails -> {"akaminsk@uni-mainz.de", "mdevrie@uni-mainz.de"},
20 Date -> {"March 2016"},
21 References -> {"http://arxiv.org/abs/1510.03434"},
22 URLs -> "http://feynrules.irmp.ucl.ac.be/wiki/SimplifiedDM",
23 Version -> "1.0"
24};
25
26
27(* ************************** *)
28(* *** Interaction orders *** *)
29(* ************************** *)
30
31M$InteractionOrderHierarchy = {
32 {QCD, 1},
33 {NP, 1},
34 {QED, 2}
35};
36
37
38(* ************************** *)
39(* ***** Parameters ***** *)
40(* ************************** *)
41
42M$Parameters = {
43 (* Dark Sector Masses *)
44 MDM == {
45 ParameterType -> External,
46 Value -> 800,
47 Description -> "DM mass",
48 TeX -> Subscript[M, DM]
49 },
50 MX == {
51 ParameterType -> External,
52 Value -> 880,
53 Description -> "X mass",
54 TeX -> Subscript[M, X]
55 },
56 MM == {
57 ParameterType -> External,
58 Value -> 600,
59 Description -> "M mass",
60 TeX -> Subscript[M, M]
61 },
62
63 (* Dark Sector Mediator Couplings *)
64 yD == {
65 ParameterType -> External,
66 Value -> 0.1,
67 InteractionOrder -> {NP, 1},
68 Description -> "Dark Yukawa interaction",
69 TeX -> Subscript[y, D]
70 },
71
72 (* Visible Sector Mediator Couplings *)
73 yudL == {
74 ComplexParameter -> False,
75 ParameterType -> External,
76 Indices -> {Index[Generation], Index[Generation]},
77 Definitions -> yudL[i_?NumericQ, j_?NumericQ] :> 0 /; (i =!= j),
78 Value -> {
79 yudL[1, 1] -> 0.1,
80 yudL[2, 2] -> 0.1,
81 yudL[3, 3] -> 0.1
82 },
83 InteractionOrder -> {NP, 1},
84 Description -> "Mud L Yukawa",
85 TeX -> Subsuperscript[y, ud, L]
86 },
87 yudR == {
88 ComplexParameter -> False,
89 ParameterType -> External,
90 Indices -> {Index[Generation], Index[Generation]},
91 Definitions -> yudR[i_?NumericQ, j_?NumericQ] :> 0 /; (i =!= j),
92 Value -> {
93 yudR[1, 1] -> 0.1,
94 yudR[2, 2] -> 0.1,
95 yudR[3, 3] -> 0.1
96 },
97 InteractionOrder -> {NP, 1},
98 Description -> "Mud R Yukawa",
99 TeX -> Subsuperscript[y, ud, R]
100 }
101};
102
103
104(* ************************** *)
105(* **** Particle classes **** *)
106(* ************************** *)
107
108M$ClassesDescription = {
109 (* Dark Sector Physical Fields *)
110 F[21] == {
111 ClassName -> DM,
112 SelfConjugate -> True,
113 Mass -> {MDM, Internal},
114 Width -> {WDM, 0},
115 PropagatorLabel -> "DM",
116 ParticleName -> "~DM",
117 FullName -> "DM"
118 },
119 F[22] == {
120 ClassName -> X,
121 Indices -> {Index[Colour]},
122 SelfConjugate -> False,
123 Mass -> {MX, Internal},
124 Width -> {WX, 1},
125 QuantumNumbers -> {Q -> -1/3},
126 PropagatorLabel -> "X",
127 ParticleName -> "~X",
128 AntiParticleName -> "~X~",
129 FullName -> "X"
130 },
131 S[21] == {
132 ClassName -> M,
133 Indices -> {Index[Colour]},
134 SelfConjugate -> False,
135 Mass -> {MM, Internal},
136 Width -> {WM, 1},
137 QuantumNumbers -> {Q -> -1/3},
138 PropagatorLabel -> "M",
139 ParticleName -> "M",
140 AntiParticleName -> "M~",
141 FullName -> "M"
142 },
143
144 (* Dark Sector Unphysical Fields *)
145 F[31] == {
146 ClassName -> XUP,
147 Unphysical -> True,
148 Indices -> {Index[Colour]},
149 SelfConjugate -> False,
150 QuantumNumbers -> {Y -> -1/3},
151 Definitions -> { XUP[s1_, u1_] -> X[s1, u1] }
152 },
153 S[31] == {
154 ClassName -> MUP,
155 Unphysical -> True,
156 Indices -> {Index[Colour]},
157 SelfConjugate -> False,
158 QuantumNumbers -> {Y -> -1/3},
159 Definitions -> { MUP[c1_] -> M[c1] }
160 }
161};
162
163
164(* ************************** *)
165(* **** Lagrangian **** *)
166(* ************************** *)
167
168(* DM: Kinetic, mass and self-interaction terms *)
169LDM := 1/2 I DMbar.Ga[mu].DC[DM, mu] - 1/2 MDM DMbar.DM;
170
171(* X: Kinetic, mass and self-interaction terms *)
172LX := I XUPbar.Ga[mu].DC[XUP, mu] - MX XUPbar.XUP;
173
174(* M: Kinetic, mass and self-interaction terms *)
175LM := DC[MUPbar[c1], mu] DC[MUP[c1], mu] - MM^2 MUPbar[c1] MUP[c1];
176
177(* Interactions: Visible sector *)
178LVIS := Block[{c1, c2, c3, f1, f2, s1, s2, lagr},
179 lagr = Eps[c3, c1, c2] MUPbar[c3] (yudR[f1, f2] ProjP[s1, s2] + yudL[f1, f2] ProjM[s1, s2]) dqbar[s1, f1, c1].CC[uq][s2, f2, c2];
180 lagr + HC[lagr]
181];
182
183(* Interactions: Visible sector [Alternative Lagrangian Formulation] *)
184LVISALT := Block[{c1, c2, c3, i1, i2, f1, f2, s1, lagr},
185 lagr = Eps[c3, c1, c2] MUPbar[c3] (yudL[f1, f2] dRbar[s1, f1, c1].CC[uR[s1, f2, c2]] - 1/2 yudR[f1, f2] QLbar[s1, i1, f1, c1].Eps[i1, i2].CC[QL[s1, i2, f2, c2]]);
186 lagr + HC[lagr]
187];
188
189(* Interactions: Dark sector *)
190LDARK := Block[{s1, c1, lagr},
191 lagr = -yD XUPbar[s1, c1].DM[s1] MUP[c1];
192 lagr + HC[lagr]
193];
194
195(* Use this identifier for the global Lagrangian *)
196LRM := LDM + LX + LM + LVIS + LDARK;
197