Changes between Version 3 and Version 4 of FourFermionFCNCtqll


Ignore:
Timestamp:
Mar 24, 2021, 3:08:42 PM (3 years ago)
Author:
Yoav Afik
Comment:

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  • FourFermionFCNCtqll

    v3 v4  
    1 == 4-fermion EFT bbll including interference with the SM
     1== 4-fermion EFT tqll (q=u,c)
    22
    33== Authors:
    … …  
    2828
    2929== Model Files:
    30 * [https://feynrules.irmp.ucl.ac.be/attachment/wiki/FourFermionFCNCtqll/4fermion-tqll-models.zip 4fermion-tqll-models.zip] : the full model.
     30* [https://feynrules.irmp.ucl.ac.be/attachment/wiki/FourFermionFCNCtqll/4fermion-tqll-models.zip 4fermion-tqll-models.zip] : the full model both at the 4FS and at the 5FS. In the paper we use the 5FS.
    3131* Please note there are two models, one for t-u-l-l, and one for t-c-l-l Contact Interactions.
    3232
    33 == Commands for MadGraph5_aMC@NLO, for a production of a muon and an anti-muon with a top quark and up to one more jets:
     33== Commands for MadGraph5_aMC@NLO, for a production of a muon and an anti-muon with a top quark and up to one more jet (NP only):
    3434{{{
    3535define p = g u c d s b u~ c~ d~ s~ b~
    … …  
    4949}}}
    5050
    51 Where lambdas is the scale of new physics in GeV, fSrr is the coupling of t-u-l-l with scalar operator and right-right chirality of the fermions, etc.
     51Where lambdas is the scale of new physics in GeV, fSrr is the coupling of the t-u-l-l scalar operator with right-right chirality of the fermions, etc. For example, if we set fSrr=1 and all other couplings to 0, we get a scalar operator with:
     52{{{
     53#!latex
     54\begin{align*}
     55{\cal L}_{tu\ell \ell} =  {1\over\Lambda^2} \left( {\bar \ell} P_R \ell \right) \left( \bar t P_R u \right)
     56\end{align*}
     57}}}
    5258
     59
     60Note that only operators with the couplings fSrr, fTrr, fVlr, fVrl, fVrr, fVll are generated by this UFO.
    5361
    5462