How to genrate 2HDM pseudoscalar A via b- associated production?
Dear Madgraph experts,
I want to produce a grid pack for 2HDM signal samples( H->ZA->ll +bb).
The process that I want to generate are:
1- quark , antiquark annihilation
2- gluon-gluon fusion
3- b associated production
For know i have somthing like this, but as far i undrestand ( by displayying the diagrams using directly madgraph ) it will give me only the first process( quark-antiquark ) :
set group_subprocesses Auto
set ignore_
set loop_optimized_
set complex_mass_scheme False
import model sm
define p = g u c d s u~ c~ d~ s~
define j = g u c d s u~ c~ d~ s~
define l+ = e+ mu+
define l- = e- mu-
define vl = ve vm vt
define vl~ = ve~ vm~ vt~
import model 2HDM4MG5-may15
set group_subprocesses Auto
set ignore_
set gauge unitary
set complex_mass_scheme False
define l+ = e+ mu+
define l- = e- mu-
define p = g u c d s u~ c~ d~ s~
define j = g u c d s u~ c~ d~ s~
define vl = ve vm vt
define vl~ = ve~ vm~ vt~
generate p p > h3 z/h1, h3 > b b~, z > l+ l-
output HToZATo2L2B_
If I wan to include the gluon fusion, keeping the quark anti-quark as well doing something like this can work?
I mean using
generate p p > h3 z/h1 HG=1, h3 > b b~, z > l+ l-
instead of
generate p p > h3 z/h1, h3 > b b~, z > l+ l-
As for the b-associated production process, I have no idea how to include it, any guide?
is there's a way to include these 3 process or the associated production have to be separate?
Many thanks,
Khawla
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- Olivier Mattelaer
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