Gießen 2007 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 31: Physik mit schweren Ionen

HK 31.7: Talk

Wednesday, March 14, 2007, 15:45–16:00, F

Proton-Proton physics with ALICE at the LHC — •Jan Fiete Grosse-Oetringhaus for the ALICE TRD collaboration — Institut für Kernphysik, Universität Münster, Germany and CERN, Geneva, Switzerland

The main goal of the ALICE experiment at LHC is to study strongly interacting matter at high energy densities, especially signatures and properties of the quark-gluon plasma. This goal manifests itself in a rich physics program. Although ALICE is mainly designed to study heavy-ion collisions, a dedicated program will concentrate on proton-proton physics.

The talk will introduce the capabilities of ALICE to contribute to the field of p+p physics at the LHC. Two unique properties are its low p_T cut-off and the excellent PID capabilities. The various topics of the proton-proton physics program, which will allow a close scrutiny of existing theoretical models, will be described. Furthermore, the interpretation of measurements of heavy-ion collisions necessitates the comparison to measurements of p+p collisions.

At startup, neither the LHC luminosity nor its energy will have their nominal values. Still several physics topics can be studied from the very beginning. These "day-1" physics topics will be presented as well as the effort that is already ongoing to be ready for the first collision.