CERN Accelerating science

Run2

You have to love the penguins

In 1977 John Ellis made a bet with a student, Melissa Franklin, “If you lose this game of darts,” Franklin said, “you have to use the word ‘penguin’ in your next paper.” John Ellis lost and as a result he coined the term Penguin decays while…

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ATLAS trigger system meets the challenges of Run 2

The trigger system is an essential component of any collider experiment as it is responsible for deciding whether or not to keep an event from a given bunch-crossing interaction for later study. During Run 2 (2015 to 2018) of the Large Hadron…

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Trigger strategies for the LHCb experiment

The LHCb experiment has finished a very successful data taking period in Run 2, collecting an additional 6 inverse femtobarns of proton-proton collisions. A significant modification to the Reconstruction and Trigger system of LHCb was implemented…

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