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HK: Fachverband Physik der Hadronen und Kerne

HK 12: Instrumentation

HK 12.5: Talk

Monday, March 19, 2012, 17:45–18:00, P 3

Development of a Deadtime Measurement System for the COMPASS experiment using FPGA technology — •Oliver Freyermuth — Physikalisches Institut, Universität Bonn on behalf of the COMPASS collaboration

The muon beam of the COMPASS experiment at CERN has a large halo component which causes unwanted triggered events. A veto system is used to suppress these. In this presentation, an FPGA based system using the method of delayed coincidences will be presented to measure the losses in muon flux due to random coincidences. In comparison to the existing setup, the new system will have the ability to measure with several independent delays in parallel and thus allow us to study possible modulations of the beam.