Jul 16 – 22, 2009
Kraków, Poland
Europe/Warsaw timezone

An overview of the b-Tagging algorithms in the CMS Software

Not scheduled
Auditorium Maximum (Kraków, Poland)

Auditorium Maximum

Kraków, Poland

The Auditorium Maximum of the Jagiellonian University 33 Krupnicza Street 31-123 Kraków
Poster session


Dr Alexander Schmidt (University of Zürich)


The CMS software contains a widespread set of algorithms to identify jets originating from the weak decay of b-quarks. Different physical properties of b-hadron decays like lifetime information, secondary vertices and soft leptons are exploited. The variety of selection algorithms range from simple and robust ones, suitable for early data-taking and online environments as the trigger system, to highly discriminating ones, exploiting all the information available. Their performance is evaluated, in the long term and startup scenarios.

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