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Monitoring des High Level Triggers am ATLAS-Detektor

Monitoring des High Level Triggers am ATLAS-Detektor. Triggering Einleitung Datenweg vom Detektor zum Speicher Monitoring Was sollte ueberwacht werden? Wie wird es ueberwacht? Meine Aufgabe. Gliederung. Trigger. 40MHz * 1,5Mbyte/Event = 60 Terabyte/s Level 1 Trigger

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Monitoring des High Level Triggers am ATLAS-Detektor

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  1. Monitoring des High Level Triggersam ATLAS-Detektor

  2. Triggering • Einleitung • Datenweg vom Detektor zum Speicher • Monitoring • Was sollte ueberwacht werden? • Wie wird es ueberwacht? • Meine Aufgabe Gliederung

  3. Trigger • 40MHz * 1,5Mbyte/Event = 60 Terabyte/s • Level 1 Trigger • Hardware, nahe den Detektoren • Verwendet Calorimeter und Myon • Stellt Regions of Interest (ROI) bereit • Output 60kHz • High Level Trigger (Software, grosse Computerfarmen) • Lvl2 • Verwendet ROIs, Output 5kHz • HLT • Verwendet gesamte Daten, Output 400Hz

  4. Calo Myon Tracking Front-endpipelinememories Front-endpipelinememories Front-endpipelinememories LVL1 ROI ROD ROD ROD ROIB ROB ROB ROB L2SV

  5. ROB ROB ROB L2SV L2 & EBNetworks DFM SFIs L2 EF SFOs Massstorage

  6. Monitoring • Dient der Ueberwachung, bspw.: • Energie • Luminositaet • Strahltreffen • Detektorfunktionen • Triggerfunktionen usw.

  7. Monitoring • Wichtigste Werkzeuge: • Triggerratenzaehlung • Et-pt-Spektren • Eta-Phi-Maps

  8. Meine Aufgabe • Beschreibungen der Histogramme oft nicht vorhanden, minimalistisch oder in seltenen Faellen sogar falsch

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