The New Dempty Set Level-1 Calorimeter Trigger

M. Abolins,M. Adams, T. Adams, E. Agulio, L. Bagby, J. Ban,E. Barberis, S. Beale,J. Benitez, J. Biel,R. Brock, J. Bystricky, D. Calvet, S. Cihangir,M. Cwiok, D. Edmunds, H. Evans, C. Fantasia, J. Foglesong,J. Green,J. Hegeman, R. Kehoe, P. Laurens,P. Le Du,C. Johnson, S. Lammers, J. Mitrevski, M. Mulhearn, M. Naimuddin, B. P. Padley,J. Parsons, G. Pawloski,E. Perez,P. Renkel, A. Roe, W. Sippach, A. Stone, G. Tarte, W. Taylor, R. Unalan, N. Varelas, H. Weerts, D. Wood, L. Zhang, T. Zmuda

2006 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOL 1-6（2006）

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摘要

With increasing Tevatron luminosity, efficient triggers that meet the bandwidth limitations of the experiment's data acquisition system become more and more difficult to construct. To meet these challenges, the DO experiment has significantly enhanced its triggering capabilities. A major component of this upgrade is a completely re-designed Level-1 Calorimeter Trigger (L1Cal). This new system uses novel architecture and algorithms to maintain acceptable background rejection while preserving or even improving signal efficiency at the highest luminosities foreseen. We describe interesting features of the L1Cal and give highlights from its first few months of operation.

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关键词

IEEEtran, Dzero, Trigger, Calorimeter, Sliding Windows

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