7 | | The Chern-Simons portal extends the Standard Model by adding a new vector particle with zero electric charge, the X boson, interacting with the Standard Model electroweak gauge bosons, W, Z, and photon, via pseudo Chern-Simons current [#ref1 [1]][#ref2 [2]]. Brief description of the model is given ~~here~~. |

| 7 | The Chern-Simons portal extends the Standard Model by adding a new vector particle with zero electric charge, the X boson, interacting with the Standard Model electroweak gauge bosons, W, Z, and photon, via pseudo Chern-Simons current [#ref1 [1]][#ref2 [2]]. Brief description of the model is given in the [https://feynrules.irmp.ucl.ac.be/attachment/wiki/ChernSimonsPortal/Chern_simons_portal__brief_description.pdf file]. |