4-fermion EFT with FCNC implementation

Authors:

• Yoav Afik (yoavafik@…)
• Jonathan Cohen (jcohen@…)
• Eitan Gozani
• Enrique Kajomovitz
• Yoram Rozen

Department of Physics, Technion: Israel Institute of Technology Haifa, Israel

Description of the model:

This is a Contact Interaction (CI) model.

The lagrangian of the model is described by:

See more details in: ​https://link.springer.com/article/10.1007/JHEP08(2018)056

Sample commands for MadGraph5_aMC@NLO:

define p = g u c d s b u~ c~ d~ s~ b~ 
define j = g u c d s b u~ c~ d~ s~ b~ 
generate p p > mu+ mu- 
add process p p > mu+ mu- j 
add process p p > mu+ mu- j j