The ATLAS Level-1 Calorimeter Trigger

R Achenbach,P Adragna,V Andrei,P Apostologlou, B Åsman,C Ay,B M Barnett,B Bauss,M Bendel, C Bohm,J R A Booth,I P Brawn,P Bright Thomas,D G Charlton,N J Collins, C J Curtis,A Dahlhoff,A O Davis,S Eckweiler,J P Edwards,E Eisenhandler,P J W Faulkner,J Fleckner,F Föhlisch, J Garvey, C N P Gee,A R Gillman, P Hanke, R P Hatley,S Hellman,A Hidvégi, S J Hillier, K Jakobs,M Johansen,E-E Kluge,M Landon, V Lendermann,J N Lilley, K Mahboubi,G Mahout,A Mass, K Meier, T Moa,E Moyse, F Müller, A Neusiedl, C Nöding,B Oltmann,J M Pentney,V J O Perera,U Pfeiffer, D P F Prieur,W Qian,D L Rees,S Rieke,F Rühr, D P C Sankey,U Schäfer,K Schmitt,H-C Schultz-Coulon,C Schumacher,S Silverstein,R J Staley, R Stamen,M C Stockton, S Tapprogge,J P Thomas, T Trefzger, P M Watkins,A Watson,P Weber,E-E Woehrling

JOURNAL OF INSTRUMENTATION（2008）

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摘要

The ATLAS Level-1 Calorimeter Trigger uses reduced-granularity information from all the ATLAS calorimeters to search for high transverse-energy electrons, photons, tau leptons and jets, as well as high missing and total transverse energy. The calorimeter trigger electronics has a fixed latency of about 1 mu s, using programmable custom-built digital electronics. This paper describes the Calorimeter Trigger hardware, as installed in the ATLAS electronics cavern.

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关键词

digital electronic circuits,trigger concepts and systems (hardware and software)

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