| | 1 | == Sextet diquark model == |
| | 2 | |
| | 3 | === Authors === |
| | 4 | * Johan Alwall |
| | 5 | * Claude Duhr |
| | 6 | * IPPP Durham |
| | 7 | * claude.duhr@durham.ac.uk |
| | 8 | |
| | 9 | === Description of the model === |
| | 10 | |
| | 11 | This model is an extension of the SM, including a scalar diquark with quantum numbers |
| | 12 | |
| | 13 | {{{ |
| | 14 | SU(3) | SU(2) | U(1)Y | |
| | 15 | 6 | 1 | -1/3 | |
| | 16 | }}} |
| | 17 | |
| | 18 | For the triplet diquark implementation, see [wiki:Triplets triplet diquark model]. |
| | 19 | The particle content and the vertices of the model are summarized in the following [source:trunk/models/Epsijk/Sextet_Diquarks.pdf pdf file]. |
| | 20 | |
| | 21 | The implementation of the model is based on |
| | 22 | |
| | 23 | " ''QCD Corrections to Scalar Diquark production at Hadron Colliders'' ", T. Han, I. Lewis, T. !McElmurry, JHEP 1001:123,2010, arXiv:0909.2666. |
| | 24 | |
| | 25 | |
| | 26 | === Model files === |
| | 27 | * [source:trunk/models/SextetDiquarks/SextetDiquarks.fr SextetDiquarks.fr]: This is the main file. |
| | 28 | * This model needs the model file of the [wiki:StandardModel SM implementation] of !FeynRules. |
| | 29 | * [source:trunk/models/SextetDiquarks/SextetDiquarks.nb SextetDiquarks.nb]: This is an example Mathematica notebook that loads the model and calculates Feynman rules. |
| | 30 | |
| | 31 | The implementation assumes generic Yukawa matrices for the couplings between the quarks and the scalar diquarks. |
| | 32 | The mixing matrices can however be constrained to be diagonal by using the following [source:trunk/models/SextetDiquarks/MFV.rst restriction file]. |
| | 33 | |
| | 34 | |
| | 35 | |
| | 36 | == Matrix element generator files == |
| | 37 | Below we give tarballs containing the model files generated by !FeynRules for the various matrix element generaotrs for which a !FeynRules interface exists. Note that in these files all fermion masses are put to zero, except for the top, the bottom and the Tau lepton masses. |
| | 38 | '''Note that, because of the unusual color structures appearing in this model, this model only works with the limited set of matrix element generators shown below'''. |
| | 39 | |
| | 40 | ||[/attachment/wiki/SextetDiquarks/Triplet_Diquarks_FA.tar.gz Triplet_Diquarks_FA.tar.gz]||The model files for !FeynArts.|| |
| | 41 | ||[/attachment/wiki/SextetDiquarks/Triplet_Diquarks_UFO.tar.gz Triplet_Diquarks_UFO.tar.gz]||The model files in UFO format (e.g. for !MadGraph 5).|| |
