Freiburg 2008 – scientific programme

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T: Fachverband Teilchenphysik

T 63: DAQ und Trigger I

T 63.1: Talk

Wednesday, March 5, 2008, 16:45–17:00, KGI-HS 1108

Commissioning of the LHCb Outer Tracker DAQ system — •Rainer Schwemmer — Physikalisches Institut Universität Heidelberg

The LHCb detector at the LHC is an experiment designed to search for CP violations in B-Meson decays. A crucial element of these measurements is the precise determination of decay product impulses by their trajectories in a magnetic field. The LHCb Outer Tracker is a gas detector based on approximately 54.000 straw tube channels and has been designed to measure these trajectories with a spatial resolution of 200 µm at a rate of 40 MHz.

During the commissioning phase of the Outer Tracker, the integrity of the DAQ and Front-end Electronics has to be tested thoroughly to assure the high quality requirements of the system outside the laboratory and under real conditions.

This presentation will discuss the development and commissioning of the slow control as well as the commissioning of the DAQ system up to the point of testing a large slice of the sub detector with cosmic particles, accquiring the first LHCb wide physics data.