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Last update: Apr 1, 2000

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Distributed Objects in Action - First Experience with the CLEO III Data Acquisition and Control System

Chul Gwon1, Klaus Honscheid1, Dirk Hufnagel1, Todd Pedlar1, Hubert Schwarthoff1, Jana Thayer1, Elliot Lipeles2, Alan Weinstein2, Richard Baker3, Chris Bebek3, Dave Kreinick3, Charlie Strohman3, Andreas Wolf4, Valera Frolov5
  1. Ohio State University
  2. Caltech
  3. Cornell University
  4. Syracuse University
  5. University of Minnesota

Speaker: Hubert Schwarthoff

  The new CLEO III experiment at the Cornell electron positron storage ring CESR includes 4 layer silicon vertex detector and a novel ring image Cherenkov detector. Driftchamber, E.M. calorimeter and muon chambers complete the detector assembly. Overall more than half a million electronic channels have to be read out and monitored. Detector configuration, data quality and component monitoring, run control are only some of the Slow Control tasks that have to be performed.
  By the time of CHEP 2000 the initial commissioning run will be completed. In our presentation we will focus on our experience with a large distributed system with special emphasis on our success - and problems - with industry standards such as CORBA (inter-platform communication), Java (remote access via Web browser) and Objectivity (event and constants database). We will discuss our design and highlight some of the special or unique features of the CLEO III monitoring system.

Presentation:  Adobe Acrobat pdf Short Paper:  Adobe Acrobat pdf 

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