First Steps in LHCb

This is the LHCb Starterkit, a series of lessons for getting analysts working confidently with LHCb data and software. The lessons are best approached one after the other, as most lessons build on the knowledge gained from the previous ones.

If you have any problems or questions, you can send an email to


Before starting, you should be familiar with using a shell, like bash, and with programming in Python.

The Software Carpentry workshop gives a great introduction to these, as well as to many other useful computing tools.


  1. Pre-workshop checklist
  2. Install party
  3. Goals of the course
  4. The LHCb data flow
  5. Changes to the data flow in Run 2
  6. An introduction to LHCb Software
  7. Finding data in the Bookkeeping
  8. Downloading a file from the grid
  9. Interactively exploring a DST
  10. Fun with LoKi Functors
  11. Running a minimal DaVinci job locally
  12. Running DaVinci on the grid
  13. TupleTools and branches
  14. How do I use DecayTreeFitter?
  15. More Ganga
  16. Storing large files on EOS
  17. Splitting a job into subjobs
  18. Developing LHCb Software
  19. Asking good questions
  20. Early career, gender and diversity
  21. Contribute to this lesson

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