Object Database for Constants: The common CLEO Online and Offline solution
N. Adam, S. Lee, H. Schwarthoff, T. Wilksen

TL;DR
The paper discusses the redesign of the CLEO constants database system to improve efficiency and meet diverse operational requirements in the transition to CLEO-c, using object database technology.
Contribution
It presents a new design for the CLEO constants database system, enhancing performance and functionality over the previous implementation.
Findings
Redesigned database system improved access efficiency.
Performance comparisons showed significant gains.
Successful integration into the production environment.
Abstract
After the successful conclusion of the CLEO III phase, the CLEO experiment at the Cornell Electron Positron Storage Ring CESR is preparing for its transition to CLEO-c. This new program contains a wide array of Physics studies at e+ e- collisions at center of mass energies between 3 GeV and 5 GeV that will provide new insights into QCD. Because the existing Silicon Vertex Detector needed to be replaced within a short time, a 6 layer vertex drift chamber has been installed in spring 2003. At the same time, the existing Ring Imaging Cherenkov Detector, along with a conventional drift chamber, E.M. calorimeter and muon chambers, will continue to be part of the experiment. The CLEO Constants Database system must provide efficient access to detector and analysis constants for a wide variety of purposes, such as hardware configuration, Online operation and monitoring, calibration, and the…
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Taxonomy
TopicsParticle Detector Development and Performance · Particle physics theoretical and experimental studies · Distributed and Parallel Computing Systems
