Bochum 2009 – scientific programme

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HK: Fachverband Hadronen und Kerne

HK 23: Heavy Ion Collisions and QCD phases

HK 23.4: Talk

Tuesday, March 17, 2009, 15:15–15:30, H-ZO 10

Physics with the High Level Trigger of ALICE — •Kalliopi Kanaki — University of Bergen, Norway

The High Level Trigger (HLT) for the ALICE experiment at LHC will serve a dual role: it will deal with the large amount of data of the detectors and compress them to fit the mass storage capabilities, while enriching at the same time the statistics with meaningful physics content. Most major ALICE detectors are included in the HLT system at the moment, with event reconstruction, monitoring and calibration being some of the tasks performed on-line. In this presentation we will address the physics capabilities of HLT. We will present the methods of event characterization, mainly focusing on jet reconstruction, open charm, J/ψ and Υ production, and γ detection via conversions.