CDF — secondary vertex trigger
نویسندگان
چکیده
منابع مشابه
The CDF Silicon Vertex Tracker
Real time pattern recognition is becoming a key issue in many position sensitive detector applications. The CDF collaboration is building SVT: a specialized electronic device designed to perform real time track reconstruction using the silicon vertex detector (SVX II). This will strongly improve the CDF capability of triggering on events containing b quarks, usually characterized by the presenc...
متن کاملDFUB 95/12 Study of a MA16-Based Vertex Trigger for the CDF Experiment#
A Neural Network trigger for bb events based on the SVT microvertex processor of experiment CDF at Fermilab is presented. It exploits correlations among track impact parameters and azimuths calculated by the SVT from the SVX microvertex detector data. The neural trigger is meant for implementation on the systolic Siemens microprocessor MA16, which has already been used in a neural-network trigg...
متن کاملThe Argus Vertex Trigger
A fast second level trigger has been developed for the ARGUS experiment which recognizes tracks originating from the interaction region. The processor compares the hits in the ARGUS Micro Vertex Drift Chamber to 245760 masks stored in random access memories. The masks which are fully deened in three dimensions are able to reject tracks originating in the wall of the narrow beampipe of 10.5 mm r...
متن کاملThe Cdf-ii Online Silicon Vertex Tracker
The Online Silicon Vertex Tracker is the new CDF-II level 2 trigger processor designed to reconstruct 2-D tracks within the Silicon Vertex Detector with high speed and accuracy. By performing a precise measurement of impact parameters the SVT allows tagging online B events which typically show displaced secondary vertices. Physics simulations show that this will greatly enhance the CDF-II B-phy...
متن کاملThe CDF L2 Track Trigger Upgrade
Since 2001 the CDF II detector has been collecting data used to carry out a rich physics program at the Fermilab Tevatron pp̄ collider. The quality and purity of the data relies heavily on the high performance and efficiency of the CDF trigger system. The online trigger most heavily relied on for physics analyses is the eXtremely Fast Tracker (XFT), a track trigger system used to identify charge...
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ژورنال
عنوان ژورنال: Nuclear Physics B - Proceedings Supplements
سال: 2003
ISSN: 0920-5632
DOI: 10.1016/s0920-5632(03)01896-6