Speaker
Robert Grajcarek
(University of Heidelberg, Heidelberg, Germany)
Description
A Large Ion Collider Experiment (ALICE) at the Large Hadron Collider (LHC) has been built in order to identify and characterize the quark gluon plasma (QGP) in high-energy nuclear collisions. As charm quarks are produced at the early stage of the collision, they
serve as ideal probes for a QGP. The ALICE detector with its powerful capabilities such as particle identification, vertexing at sub-millimeter precision and tracking in a high multiplicity environment addresses the charm sector in nuclear collisions. It is still an open question whether charm quarks take part in the collective motion of the expanding fireball in ultrarelativistic heavy ion collisions. The determination of the anisotropy parameter v2 of the D-mesons D+, D0 and D∗+ will provide a decisive answer.
We report on the current status of the development of the tools for the D-meson v2-measurement at ALICE for the three charmed mesons in various hadronic decay channels.
We will show performance plots obtained with these tools from the 2010 lead-lead run at √s_NN = 2.76 TeV and will give an outlook for the upcoming high statistics lead-lead run at the end of this year.
Author
Robert Grajcarek
(University of Heidelberg, Heidelberg, Germany)
