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FPGA based data acquisition system for COMPASS experiment

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, , Citation M Bodlak et al 2014 J. Phys.: Conf. Ser. 513 012029 DOI 10.1088/1742-6596/513/1/012029

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1 Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University, Brehova 7, 115 19 Prague 1, Czech Repulic

2 Physik-Department E18, Technische Universitat Munchen, James-Franck-Strae, 85748 Garching, Germany

3 Joint Institute for Nuclear Research, Joliot-Curie 6, 141980 Dubna, Moscow region, Russia

4 European Organization for Nuclear Research – CERN, CH-1211, Geneve 23, Switzerland

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1742-6596/513/1/012029

Abstract

This paper presents the current data acquisition system (DAQ) of the COMPASS experiment at CERN and discusses development of a new DAQ. The aim of the new DAQ is to substitute software event building by structure composed of special FPGA cards that will do the event building. The software part of the new DAQ is robust multinode system with high emphasis on reliability. It is based on state machines and implemented in C++ with usage of the QT framework, the DIM library, and the IPBus technology. A prototype of the system has been developed and tested. The new DAQ software fulfills given requirements.

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10.1088/1742-6596/513/1/012029