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The adoption of a central database of MC events is motivated by simulation needs which are specific to the high energy physics domain. In general, the correct MC simulation of complex processes requires a rather sophisticated expertise. Often, different physics groups in various experimental collaborations approach the same experts and authors of MC generators, respectively, in order to generate MC samples for a particular physics process. Having these events stored in a public place along with the corresponding documentation, allows for direct cross checks of the performances on reference samples, and prevents possible waste of precious human and computing resources.


  • Powerful WEB interface with Content Management System for the authors of event samples and their users
  • SQL structure of event sample documentation
  • Power SQL/XML based search engine
  • CASTOR as the native storage for the MC samples
  • Direct uploading of multiple files from AFS / CASTOR / GRID to LCG MCDB
  • Direct downloading of files from LCG MCDB with WEB / CASTOR / GRID paths (URI)
  • Flexible and reliable authorization system based on CERN AFS/Kerberos logins or LCG GRID certificates
  • BackUp of samples and SQL information
  • API to collaboration software (in progress)
  • HEPML. Unified events format and automatic parsing of event samples from different MC generators (in progress)

details are in hep-ph/0604120 pages 200-204 and in

-- Main.doudko - 16 Jul 2006

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Topic revision: r1 - 2006-07-16 - LevDudko
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