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Trigger Manipulation

What is this lesson about?

Welcome. In this lesson you will:

  • learn what the CMS trigger system is
  • learn how to select and understand triggers for you analysis
  • learn how to obtain trigger prescales and acceptance bits

Prerequisites

In order to complete this lesson you need:

  • an internet connection
  • to have completed the pre-exercise on CMSSW

Schedule

Setup Prepare for this lesson
00:00 1. Introduction What is the CMS trigger system and why is it needed?
What is a trigger path in CMS?
How does the trigger depend on instantaneous luminosity and why are prescales necessary?
How do streams and datasets have to do with triggers?
00:15 2. Choosing a trigger How do I select triggers for my analysis?
Where can I find more information about my triggers so I can understand them?
00:50 3. Getting trigger prescales How do I get the prescales for my triggers?
01:15 Finish

The actual schedule may vary slightly depending on the topics and exercises chosen by the instructor.