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Object Orientation, (OO), is a programming methodology that transcends an individual language. C++ and Java are two languages that have been designed to support the Object-Oriented paradigm. A well designed object oriented application consists of discti nct objects that interact with each other bysending and receiving messages.
Reference Link (http://www.slac.stanford.edu/BFROOT/www/doc/workbook/oo/oo.html)
The OdcNtupleMaker retrieves data from the ambient database and writes them to an ntuple file.
Reference Link (http://www.slac.stanford.edu/BFROOT/www/Computing/Online/Databases/OdcNtupleMaker.html)
Data recorded by the Babar data acquisition system
Software that receives the data from the event level of the DataFlow and performs various processing. It is started when you type runOep. One of the most important functions of the OEP is to write the data into XTC files.
Reference Link (http://www.slac.stanford.edu/BFROOT/www/Computing/Online/PromptReco/index.html)
Software that controls the BaBar online system. It is started when you type runOrc. The X11 GUI is often called (loosely) the Orc window.
Analysis applications use the OO_FD_BOOTenvironment variable to locate the Federated Database Boot File. Thus it must be set to the location of the Boot File corresponding to the desired database.
Reference Link (http://www.slac.stanford.edu/BFROOT/www/doc/workbook/objectivity1/objectivity1.html#terms)
The angle between flight directions of the charged particles produced in a two body decay.
When BaBar users refer to "the database," they usually mean theObjectivity Object Database which contains the detector's constants and event data. There is also an Oracle Relational Database. This database contains administrative data, list of pub lications and drawings, and so forth.
Reference Link (http://www.slac.stanford.edu/BFROOT/www/doc/workbook/info_resources/info_resources.html#database)
Orange Room is a conference room, Central Lab (Bld 40), Rm R140/R150 for 80 people. Contact: Public Affairs, x2204
Reference Link (http://www.slac.stanford.edu/gen/pubinfo/slaconly.contact.html)
This type of module acts as the sink of data. There will be modules to direct output to one of several files or to make events available to the online system.
Reference Link (http://www.slac.stanford.edu/BFROOT/www/doc/workbook/framework1/framework1.html)
The shift which takes place from 00am until 08am.
To add an entry to the Glossary use the BaBar Glossary Submission Form.
All comments, requests, and corrections are welcome. Send them by e-mail.
Last significant update: 10-Sept-2002