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HK: Fachverband Physik der Hadronen und Kerne

HK 3: Instrumentation 2

HK 3.1: Group Report

Monday, March 23, 2015, 14:30–15:00, M/HS2

The ALICE TPC, a high resolution device for ultra-high particle multiplicities - past, present and future — •Marian Ivanov for the ALICE collaboration — Planckstraße 1, 64291 Darmstadt, GSI Helmholtzzentrum für Schwerionenforschung GmbH

The Time Projection Chamber (TPC) of the ALICE apparatus is a large 3-dimensional tracking and particle identification device for ultra-high multiplicity collision events. It has been operated successfully at the Large Hadron Collider (LHC) at CERN, recording data from pp, p-Pb, and Pb-Pb collisions. Presently, LHC is in its first long shutdown (LS1), the next round of data taking will start in summer 2015 at or close to the LHC design energy and luminosity. During the second long shutdown (LS2), LHC will undergo a further increase in the Pb-Pb luminosity together with a major upgrade of ALICE. After the upgrade, the ALICE TPC will operate with Pb-Pb collisions at an interaction rate of 50 kHz. We present the performance in operation, calibration and reconstruction with the ALICE TPC together with ongoing work and plans for the near future and the coming 10 years.