Quark Matter 2005 Conference   Quark Matter 2005 Conference

Heavy Ion Physics with the ATLAS detector

Dr. Pavel Nevski

Collaboration: ATLAS


The ATLAS experiment at the LHC plans to study the bulk matter formed in heavy ion collisions, already being studied at RHIC, as well as crucial reference data from p+p and p+A collisions. ATLAS is designed to perform optimally at the nominal machine luminosity of 10^34 cm-2s-1. It has a finely segmented electromagnetic and hadronic calorimeters covering 10 units of rapidity, allowing the study of jets and fragmentation functions in detail in tandem with the inner tracking system. Preliminary studies also indicate that it will be possible to tag b-jets in the heavy ion environment. Upsilon and J/Psi can be reconstructed through the di-muon decay channel. There is also an important "day 1" program planned, that will use the data provided by both p+p and A+A collisions to study bulk features of the collision dynamics. We will discuss the current status of simulation studies and plans of the heavy ion physics program with the ATLAS detector during the A+A and p+A runs.

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