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Last update: Apr 1, 2000

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An Overview of the BaBar Conditions Database

Igor Gaponenko1, David Brown1, Ed Frank2, Stephen Gowdy3, David Quarrie1
  1. Lawrence Berkeley National Lab
  2. University of Pennsylvania
  3. University of Edinburgh

Speaker: Igor Gaponenko

  The BaBar experiment at the Stanford Linear Accelerator Center studies the CP violation in the decays of neutral B mesons produced in electron-positron collisions in the PEP-II asymmetric B-factory. The experiment began its operation in May of 1999, and will take data over the period of 10 years.
  A special database is being used by the experiment to keep the detector alignments, calibrations constants, as well as other time-dependent records of the conditions under which the events are being taken. The layered complex of the software, providing the mechanism for storing, retrieving and managing these data is referred to as the conditions database.
  The BaBar conditions database software makes use of a commercial Object Oriented database with C++ interface as an underlying storage technology.
  This talk will present the wide spectrum of aspects associated with the current design and the implementation of the conditions database software, ranging from its architecture, the internal structure of the database, performance studies, to the experience gained during the first months of the detector's operation.

Presentation:  PowerPoint Short Paper:  Adobe Acrobat pdf 

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