München 2006 – wissenschaftliches Programm

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HK: Physik der Hadronen und Kerne

HK 21: Postersitzung

HK 21.40: Poster

Dienstag, 21. März 2006, 15:30–17:00, P

Open charm measurements with the CBM detector — •Vassiliev Iouri and Senger Peter — Gesellschaft für Schwerionenforschung mbH, Darmstadt, Germany

One of the major challenges of the Compressed Baryonic Matter (CBM) experiment at the future FAIR accelerator is the measurement of charmed particles via their hadronic decay in the environment of heavy-ion collisions. Due to the extremely low charm production yield close to threshold beam energies, background reduction exploiting the displaced vertex topology is mandatory. The online event selection, required to reduce the envisaged reaction rate of 10 MHz down to the archival rate of 25 kHz, necessitates fast and efficient track reconstruction algorithms and high resolution secondary vertex determination. The results of simulations will be presented.