wiki:ChernSimonsPortal

Version 5 (modified by MaksymOvchynnikov, 2 months ago) (diff)

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==Model description

The Chern-Simons portal adds a new vector particle with zero electric charge, the X boson, interacting with the Standard Model gauge bosons - W, Z, $\gamma$ via pseudo Chern-Simons current. The low energy effective interaction has the form

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

==Implementation description==

The model has been implemented using merging of SM.fr and ChernSimons?.fr files. The implementation introduces one real new vector particle - X boson with the name xb. The implementation contains 6 new parameters: the coupling to W bosons cW (default value: 0.001), the coupling to Z bosons cZ (default value: 0.001), the coupling to the Z boson and photon cZgamma (default value: 0.001), the non-minimal coupling to muons Cmu (default value: 0.1), the X boson mass Mxb (default value: 1 in units of GeV), the X boson width Wxb (default value: 1 in units of GeV). The implementation is performed in the unitary gauge. The implementation format is the UFO format.

==Using description== To use the model, unpack the .zip archive and move the resulting folder ChernSimons_UFO to the directory /models of your MadGraph? directory.

==Files== *Model files:

==List of studies used this implementation==

==References==

$$\gamma^\mu \delta^{\mu} f^{\rho} g^{\delta} = \!\left( \right) $$

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