In this exercise we’ll solve the same assignment as in exercise 1, but using a prepackaged GridPilot application.

• Download and install GridPilot
• Start GridPilot and answer the initial questions – enable only the computing system “GridFactory” and set the submission host to gridfactory.nbi.dk
• Import the app “ttbar_exercise”
• Select the application/dataset “ttbar_exercise-100k-events” and click “Run”
• Select the application/dataset “ttbar_exercise-merge” and click “Run”
• Open the merged output file with Root: root ttbar-analysis.root – inside Root, type TBrowser b;