DMsimp: dm_s_spin0.fr

File dm_s_spin0.fr, 7.2 KB (added by mawatari, 11 years ago)

Main FR model file for spin0 v1.0

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1(* ****************************************************************** *)
2(* ***** ***** *)
3(* ***** FeynRules model file: Simplified s-channel DM models ***** *)
4(* ***** Author: A. Martini, K. Mawatari ***** *)
5(* ***** J. Wang, C.Zhang ***** *)
6(* ***** ***** *)
7(* ****************************************************************** *)
8
9
10(* ************************** *)
11(* ***** Information ***** *)
12(* ************************** *)
13M$ModelName = "DMsimp_s_spin0";
14
15M$Information = {
16 Authors -> {"A. Martini, K. Mawatari, J. Wang, C. Zhang"},
17 Institutions -> {"Universite catholique de Louvain, Vrije Universiteit Brussel, Johnnas Gutenberg University of Mainz, Brookhaven National Laboratory"},
18 Emails -> {"kentarou.mawatari@vub.ac.be","cenzhang@bnl.gov"},
19 URLs -> "http://feynrules.irmp.ucl.ac.be/wiki/DMsimp/",
20 References -> {"O. Mattelaer et al., arXiv:1508.00564",
21 "M. Backovic et al., arXiv:1508.05327",
22 "M. Neubert et al., arXiv:1508.xxxxx"},
23 Version -> "1.0",
24 Date -> "2015.08.24"
25};
26
27(* ************************** *)
28(* ***** Change log ***** *)
29(* ************************** *)
30
31(* 2015.08.24 v1.0 - release version. *)
32
33
34(***** Setting for interaction order (as e.g. used by MadGraph 5) ******)
35
36M$InteractionOrderLimit = {
37 {DMS, 2}
38};
39
40M$InteractionOrderHierarchy = {
41 {QCD, 1}, {DMS, 2}, {QED, 2}
42};
43
44
45(* ************************** *)
46(* ***** Fields ***** *)
47(* ************************** *)
48M$ClassesDescription = {
49
50S[7] == { ClassName -> Xr,
51 SelfConjugate -> True,
52 Mass -> {MXr, 10.},
53 Width -> 0,
54 PDG -> 5000001,
55 TeX -> Subscript[X,r],
56 FullName -> "Real scalar DM" },
57
58S[8] == { ClassName -> Xc,
59 SelfConjugate -> False,
60 Mass -> {MXc, 10.},
61 Width -> 0,
62 PDG -> 51,
63 TeX -> Subscript[X,c],
64 FullName -> "Complex scalar DM" },
65
66F[7] == { ClassName -> Xd,
67 SelfConjugate -> False,
68 Mass -> {MXd, 10.},
69 Width -> 0,
70 PDG -> 52,
71 TeX -> Subscript[X,d],
72 FullName -> "Dirac DM" },
73
74S[9] == { ClassName -> Y0,
75 SelfConjugate -> True,
76 Mass -> {MY0, 1000.},
77 Width -> {WY0, 10.},
78 PDG -> 54,
79 TeX -> Subscript[Y,0],
80 FullName -> "Scalar mediator" }
81
82};
83
84
85(* ************************** *)
86(* ***** Parameters ***** *)
87(* ************************** *)
88M$Parameters = {
89
90 gSXr == {
91 ParameterType -> External,
92 InteractionOrder -> {DMS, 1},
93 BlockName -> DMINPUTS,
94 TeX -> Subscript[g,SXr],
95 Description -> "Xr-Y0 scalar coupling",
96 Value -> 0. },
97
98 gSXc == {
99 ParameterType -> External,
100 InteractionOrder -> {DMS, 1},
101 BlockName -> DMINPUTS,
102 TeX -> Subscript[g,SXc],
103 Description -> "Xc-Y0 scalar coupling",
104 Value -> 0. },
105
106 gSXd == {
107 ParameterType -> External,
108 InteractionOrder -> {DMS, 1},
109 BlockName -> DMINPUTS,
110 TeX -> Subscript[g,SXd],
111 Description -> "Xd-Y0 scalar coupling",
112 Value -> 1. },
113
114 gPXd == {
115 ParameterType -> External,
116 InteractionOrder -> {DMS, 1},
117 BlockName -> DMINPUTS,
118 TeX -> Subscript[g,PXd],
119 Description -> "Xd-Y0 pseudoscalar coupling",
120 Value -> 0. },
121
122 gSd11 == {
123 ParameterType -> External,
124 InteractionOrder -> {DMS, 1},
125 BlockName -> DMINPUTS,
126 TeX -> Subscript[g,Sd11],
127 Description -> "d-Y0 scalar coupling",
128 Value -> 1. },
129
130 gSu11 == {
131 ParameterType -> External,
132 InteractionOrder -> {DMS, 1},
133 BlockName -> DMINPUTS,
134 TeX -> Subscript[g,Su11],
135 Description -> "u-Y0 scalar coupling",
136 Value -> 1. },
137
138 gSd22 == {
139 ParameterType -> External,
140 InteractionOrder -> {DMS, 1},
141 BlockName -> DMINPUTS,
142 TeX -> Subscript[g,Sd22],
143 Description -> "s-Y0 scalar coupling",
144 Value -> 1. },
145
146 gSu22 == {
147 ParameterType -> External,
148 InteractionOrder -> {DMS, 1},
149 BlockName -> DMINPUTS,
150 TeX -> Subscript[g,Su22],
151 Description -> "c-Y0 scalar coupling",
152 Value -> 1. },
153
154 gSd33 == {
155 ParameterType -> External,
156 InteractionOrder -> {DMS, 1},
157 BlockName -> DMINPUTS,
158 TeX -> Subscript[g,Sd33],
159 Description -> "b-Y0 scalar coupling",
160 Value -> 1. },
161
162 gSu33 == {
163 ParameterType -> External,
164 InteractionOrder -> {DMS, 1},
165 BlockName -> DMINPUTS,
166 TeX -> Subscript[g,Su33],
167 Description -> "t-Y0 scalar coupling",
168 Value -> 1. },
169
170 gPd11 == {
171 ParameterType -> External,
172 InteractionOrder -> {DMS, 1},
173 BlockName -> DMINPUTS,
174 TeX -> Subscript[g,Pd11],
175 Description -> "d-Y0 pseudoscalar coupling",
176 Value -> 0. },
177
178 gPu11 == {
179 ParameterType -> External,
180 InteractionOrder -> {DMS, 1},
181 BlockName -> DMINPUTS,
182 TeX -> Subscript[g,Pu11],
183 Description -> "u-Y0 pseudoscalar coupling",
184 Value -> 0. },
185
186 gPd22 == {
187 ParameterType -> External,
188 InteractionOrder -> {DMS, 1},
189 BlockName -> DMINPUTS,
190 TeX -> Subscript[g,Pd22],
191 Description -> "s-Y0 pseudoscalar coupling",
192 Value -> 0. },
193
194 gPu22 == {
195 ParameterType -> External,
196 InteractionOrder -> {DMS, 1},
197 BlockName -> DMINPUTS,
198 TeX -> Subscript[g,Pu22],
199 Description -> "c-Y0 pseudoscalar coupling",
200 Value -> 0. },
201
202 gPd33 == {
203 ParameterType -> External,
204 InteractionOrder -> {DMS, 1},
205 BlockName -> DMINPUTS,
206 TeX -> Subscript[g,Pd33],
207 Description -> "b-Y0 pseudoscalar coupling",
208 Value -> 0. },
209
210 gPu33 == {
211 ParameterType -> External,
212 InteractionOrder -> {DMS, 1},
213 BlockName -> DMINPUTS,
214 TeX -> Subscript[g,Pu33],
215 Description -> "t-Y0 pseudoscalar coupling",
216 Value -> 0. },
217
218 Lambda == {
219 ParameterType -> External,
220 BlockName -> DMINPUTS,
221 TeX -> \[CapitalLambda],
222 Description -> "cutoff scale",
223 Value -> 10000. },
224
225 gSg == {
226 ParameterType -> External,
227 BlockName -> DMINPUTS,
228 InteractionOrder -> {DMS, 1},
229 TeX -> Subscript[g,Sg],
230 Description -> "g-Y0 scalar coupling",
231 Value -> 0. },
232
233 gPg == {
234 ParameterType -> External,
235 BlockName -> DMINPUTS,
236 InteractionOrder -> {DMS, 1},
237 TeX -> Subscript[g,Pg],
238 Description -> "g-Y0 pseudoscalar coupling",
239 Value -> 0. }
240
241};
242
243
244(* ************************** *)
245(* ***** Lagrangian ***** *)
246(* ************************** *)
247
248L0X := 1/2 MXr gSXr Xr Xr Y0 +
249 MXc gSXc Xcbar Xc Y0 +
250 Xdbar.(gSXd + I gPXd Ga[5]).Xd Y0;
251
252L0SM := 1/Sqrt[2] *
253 ( ydo dbar.(gSd11 + I gPd11 Ga[5]).d Y0 +
254 yup ubar.(gSu11 + I gPu11 Ga[5]).u Y0 +
255 ys sbar.(gSd22 + I gPd22 Ga[5]).s Y0 +
256 yc cbar.(gSu22 + I gPu22 Ga[5]).c Y0 +
257 yb bbar.(gSd33 + I gPd33 Ga[5]).b Y0 +
258 yt tbar.(gSu33 + I gPu33 Ga[5]).t Y0 );
259
260L0SMg := 1/Lambda FS[G,mu,nu,a] (gSg FS[G,mu,nu,a] +
261 gPg Dual[FS][G,mu,nu,a]) Y0;
262
263L0DM := L0X + L0SM;