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HK: Fachverband Physik der Hadronen und Kerne

HK 39: Physik mit schweren Ionen

HK 39.2: Group Report

Thursday, March 13, 2008, 17:00–17:30, 2E

Preparing for heavy flavour physics with ALICE at LHC — •Silvia Masciocchi for the ALICE-TRD collaboration — GSI, Planckstr. 1, 64291 Darmstadt

As we approach the startup of the Large Hadron Collider at CERN, the ALICE Collaboration is finalizing and testing its complex software and computing infrastructure for the analysis of the first data.

As a Tier-2 center, GSI has a central role in the GRID network, for the first data processing, calibration and monitoring. Efficient data transfer, storage and analysis are crucial issues in order to guarantee a timely understanding of the detector and produce physics results starting from the first days.

After a brief overview of the data analysis framework, we will focus on the heavy flavour physics program [1]. Heavy flavours are nowadays considered one of the most interesting probes to study properties of the dense matter produced in heavy ion collisions [2].

We introduced a new vertexing package based on Kalman filtering, for powerful and precise reconstruction of secondary decays. Our results on the search for charmed hadrons will be presented, both in proton-proton and in heavy ion collisions.

[1] "ALICE: Physics Performance Report, Volume II", ALICE Collaboration, 2006 J. Phys. G: Nucl. Part. Phys. 32 1295-2040

[2] “Proceedings of the 2nd International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions”, Nucl. Phys. A 783 (2007)