At the Large Hadron Collider at CERN the proton bunches cross at a rate of 40MHz. At the Compact Muon Solenoid experiment the original collision rate is reduced by a factor of O (1000) using a Level-1 hardware trigger. A subsequent factor of O(1000) data reduction is obtained by a software-implemented High Level Trigger (HLT) selection that is executed on a multi-processor farm. In this review we present in detail prototype CMS HLT physics selection algorithms, expected trigger rates and trigger performance in terms of both physics efficiency and timing.
S. ARCELLI, D. BONACORSI, P. CAPILUPPI, G.M. DALLAVALLE, A. FANFANI, C. GRANDI, et al. (2006). The CMS high level trigger. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 46, 605-667 [10.1140/epjc/s2006-02495-8].
The CMS high level trigger
ARCELLI, SILVIA;BONACORSI, DANIELE;CAPILUPPI, PAOLO;FANFANI, ALESSANDRA;TRAVAGLINI, RICCARDO;
2006
Abstract
At the Large Hadron Collider at CERN the proton bunches cross at a rate of 40MHz. At the Compact Muon Solenoid experiment the original collision rate is reduced by a factor of O (1000) using a Level-1 hardware trigger. A subsequent factor of O(1000) data reduction is obtained by a software-implemented High Level Trigger (HLT) selection that is executed on a multi-processor farm. In this review we present in detail prototype CMS HLT physics selection algorithms, expected trigger rates and trigger performance in terms of both physics efficiency and timing.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.