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The BTeV Triggers and Data Acquisition Systems

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Eric Vaandering
Updated by:
Eric Vaandering
Document Created:
02 Nov 2000, 15:00
Contents Revised:
02 Nov 2000, 15:00
Metadata Revised:
02 Nov 2000, 17:50
Actually Revised:
04 Jan 2002, 09:43
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A coherent and complete suite of triggers and data compression stages for the BTeV experiment has been designed and prototyped. Level 1 considers all crossings, finds primary vertices, and serches for detached tracks from these primary vertices using only the pixel vertex detector. Muons with a relatively high transverse momentum will also be identified at that stage. Level 1 runs on dedicated processors. Level 2 selects events based on the pixel and the forward tracking systems, and will run on a conventional processor farm. Level 3 will use the complete BTeV detector informatin to reduce the background by a factor of factor 2 to 5 and reduce significantly the event size.
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held from 09 Aug 2000 to 12 Aug 2000 in Columbus, Ohio, USA
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