6533b852fe1ef96bd12aae27

RESEARCH PRODUCT

The ATLAS Level-1 Calorimeter Trigger

D. P. F. PrieurK. MeierP. HankeMurrough LandonP. M. WatkinsV.j.o. PereraC SchumacherDave CharltonR P HatleyK. MahboubiUllrich R. PfeifferE. MoyseKarl JakobsJ. EdwardsA.o. DavisNeil CollinsJ. N. LilleyG. MahoutA. HidvegiI.p. BrawnA. DahlhoffStefan TapproggeStephen HillierC.n.p. GeeChristian BohmR. AchenbachP. ApostologlouP. G. Bright ThomasM. JohansenP. AdragnaAlan WatsonU. SchaferM. BendelM. C. StocktonD. L. ReesK. SchmittB. ÅSmanP. WeberJ.m. PentneyE.-e. KlugeS. HellmanDave SankeyT. TrefzgerA MassW. QianS. RiekeRainer StamenJ. FlecknerT. MoaBruce BarnettHans-christian Schultz-coulonE. E. WoehrlingJ. GarveyF. FöhlischC. AyFrederik RührB. BaussS. B. SilversteinA.r. GillmanJ. R.a. BoothJ. R.a. BoothE. EisenhandlerR.j. StaleyC NödingF. MüllerV. LendermannS. EckweilerA. NeusiedlC. J. CurtisJuergen ThomasV. AndreiP.j.w. FaulknerB. Oltmann

subject

Digital electronicsPhysicsLarge Hadron ColliderPhysics::Instrumentation and Detectorsbusiness.industryElectrical engineeringIntegrated circuitlaw.inventionCalorimetermedicine.anatomical_structureData acquisitionAtlas (anatomy)lawControl systemmedicineHigh Energy Physics::ExperimentElectronicsDetectors and Experimental TechniquesbusinessInstrumentationMathematical Physics

description

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 microsecond, using programmable custom-built digital electronics. This paper describes the Calorimeter Trigger hardware, as installed in the ATLAS electronics cavern.

https://doi.org/10.1088/1748-0221/3/03/p03001