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, [[latex( $\!\gamma\!$ )]], via pseudo Chern-Simons current. After acquiring the Higgs VEV, the interaction of the X boson has the form [#ref1 [1]][#ref2 [2]] |

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9 | | [[latex( $\mathcal{L}_{X} = \mathcal{L}_{X,\text{kin}}+\epsilon^{\mu\nu\alpha\beta}\left(W_{\mu}X_{\nu}\partial_{\alpha}WY{\dagger}_{\beta}+\text{h.c.} + c_{Z}Z_{\mu}X_{\nu}\partial_{\alpha}Z_{\beta}+c_{Z\gamma}Z_{\mu}X_{\nu}\partial_{\alpha}A_{\beta}\right)$ )]] |

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12 | | $[[latex( \!\dots \! )]]$ |

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14 | | [[latex( $\mathcal{O}_{R} = \!\left( \bar{t}_R \gamma^\mu t_R \right) \!\left( \bar{t}_R \gamma_\mu t_R \right)$ )]] |

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17 | | [[latex( $ \!\left( \bar{t}_R \gamma^\mu t_R \right) \!\left( \bar{t}_R \gamma_\mu t_R \right)$ )]] |

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20 | | [[latex( $\mathcal{O}_{X} = \!\left( \bar{t}_R \gamma^\mu t_R \right) \!\left( \bar{t}_R \gamma_\mu t_R \right)$ )]] |

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| 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. |