# Generating Higgs Events on the grid

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## A specific example

We'll describe here an example where we'll generate ${\displaystyle H_{\mu }\rightarrow ZZ\rightarrow XXYY}$ where you can pick your favorite Higgs mass and Z decay channel. This exercise also allows you to test the script on your local ATLAS setup. First make sure this runs before submitting 100's of jobs onto the grid.

## The necessary files

For each ATLAS job op the grid we'll need the following files:

A joboptions file for our Athena job
(Here you specify the physics process and details of the output. In our case: Run pythia, atlfast and produce a CBNT output file)
The 'basic' input file is called
A shell script that will be run on the remote grid machine
(The ATLAS settings will be set and the athena job will be started by this script)
A JDL file containing the names of all required input and output file

To facilitate the handling of a large number of jobs we have added two more scripts

A script that produces all input files
A general tool to manage your jobs on the grid (gridmgr)