Commissioning Experience with the ATLAS Level-1 Calorimeter Trigger System

Achenbach, R.; Adragna, P.; Andrei, V.; Barnett, B. M.; Bauß, B.; Böhm, C.; Booth, J.; Brawn, L. P.; Charlton, D. G.; Curtis, C. J.; Davis, A.O.; Eisenhandler, E.; Faulkner, Peter; Föhlisch, F.; Gee, C. N. P.; Geweniger, C.; Gillman, A. R.; Hanke, P.; Hellman, S.; Hidvégi, A.; Hillier, S. J.; Johansen, M.; Kluge, E. E.; Landon, M. P. J.; Lendermann, V.; Mahboubi, K.; Mahout, G.; Meier, K.; Perera, V.J.O.; Prieur, D.; Qian, W.; Rieke, S.; Rühr, F.; Sankey, D. P. C.; Schäfer, U.; Schmitt, K.; Schultz-Coulon, Hans-Christian; Silverstein, S. B.; Staley, R.; Stamen, R.; Tapprogge, S.; Thomas, J. P.; Trefzger, T.; Watkins, P. M.; Watson, A. T.; Weber, P.; Woehrling, E.-E.

doi:10.1109/rtc.2007.4382863

Cited by 2 publications

(1 citation statement)

References 8 publications

(6 reference statements)

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“…The installation status of the LVL1 calorimeter trigger system of ATLAS is described elsewhere in these proceedings (see [3] and references therein).…”

Section: A the Lvl1 Calorimeter Triggermentioning

confidence: 99%

Status of the ATLAS Level-1 Central Trigger and Muon Barrel Trigger and First Results from Cosmic-Ray Data

Aielli¹,

Aloisio²,

Alviggi³

et al. 2007

2007 15th IEEE-NPSS Real-Time Conference

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Abstract-The ATLAS detector at CERN's Large HadronCollider (LHC) will be exposed to proton-proton collisions from beams crossing at 40 MHz. A three-level trigger system will select potentially interesting events in order to reduce the readout rate to about 200 Hz. The first trigger level is implemented in custom-built electronics and makes an initial fast selection based on detector data of coarse granularity. It has to reduce the rate by a factor of 10 4 to less than 100 kHz. The other two consecutive trigger levels are in software and run on PC farms. We present an overview of the first-level central trigger and the muon barrel trigger system and report on the current installation status. Moreover, we show analysis results of cosmicray data recorded in situ at the ATLAS experimental site with final or close-to-final hardware.

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“…The installation status of the LVL1 calorimeter trigger system of ATLAS is described elsewhere in these proceedings (see [3] and references therein).…”

Section: A the Lvl1 Calorimeter Triggermentioning

confidence: 99%