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Verifying L1Cal Readiness

In this meeting, we will discuss the readiness of L1Cal system by addressing questions regarding data perturbation and data quality. We will also plan for testing trigger quality, including the stability of the test system, monitoring tools, and analysis of MC and data.

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Verifying L1Cal Readiness

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  1. Verifying L1Cal Readiness Our Colleagues will ask us the following questions when we ask to turn on the new L1Cal System • Will the operation of L1Cal2b perturb data taking? • How do you know that data taken with the new trigger will not be worse than current data? Note: this does not address Installation issues L1Cal Meeting: 8-Apr-04

  2. Issues & Plans • Operations & Stability run test system • crashes/deadtime meas. in test syst. • reliable downloading use in test syst. • monitoring tools software in place • param determination software in place • unpacker/reco stable data from test syst • Trigger Quality data & MC • rates & efficiencies pred w/ MC – verify w/ data • trigger definitions (L1,L2,L3) in place well beforehand • filter coeff’s, thresholds, and/or terms, trigger list Note: all of these must be Documented L1Cal Meeting: 8-Apr-04

  3. Testing Trigger Quality Constraint: limited # of split signals • currently 16-EM + 16-H  cannot test Sliding Windows Possible Chain to Rate/Eff Estimates • Define Triggers • trig-list, and/or, thresh, filt. coeff’s • Using Splitter Data derive TT response • compare ADF Et(TT) output w/ Precision Readout correct MC modeling of Et(TT) • probe pathological cases using TWG • MC models TAB Algorithms • sliding windows algorithm is deterministic • use standalone MC to look for algorithm pathologies • MC models And/Or terms & Trigger List  Rates & Eff’s • need to test QCD MC vs. Data w/ Run IIa Trigger L1Cal Meeting: 8-Apr-04

  4. This is a Lot of Work Make sure we have enough people (incl. outside L1Cal group) • test system running • L1Cal IIb data  data stream • download/calib/monitoring design & test • TT data analysis • MC analysis • trigger determination: L1, L2, L3 Start regular test system running as soon as possible • probably as soon as ADF v.2 is ready • use as many split signals as possible • write data to tape • Note: this is all in addition to • hardware production & testing • preparation for installation L1Cal Meeting: 8-Apr-04

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