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Hadronic Calibration Workshop

→ Europe/Berlin
MPI

MPI
Schacht, P.
  • Wed, May 3
    • 12:00 PM → 12:45 PM
      Registration
    • 12:45 PM → 1:30 PM
      Lunch
    • 1:30 PM → 2:50 PM
      Status of em Scale

      The idea is to review how we arrive at the em scale for the various sub-calo\'s. What are the limitations, what has to be done in situ? We assume that the \'raw signal reconstruction\' as obtained from calibration (ramps and optimal filtering) is understood.

      • 1:30 PM
        Introduction to the basic calibration of the Tile Calorimeter 30m
        Speaker: I. Vichou (University of Illinois at Urbana)
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      • 2:00 PM
        Status and Strategies of em-scale in LAr Barrel and End-Cap 15m
        Speaker: C. Serfon (LMU Munich)
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      • 2:15 PM
        Status and Strategies of e-m-scale in HEC 10m
        Speaker: P. Schacht (MPI)
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      • 2:25 PM
        Status and Strategies of e-m-scale in FCAL 10m
        Speaker: P. Loch (Arizona)
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        • Additional Material: FCal Electronic Calibration
          Speaker: John Rutherfoord (University of Arizona)
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      • 2:35 PM
        Discussion 15m
        Speaker: T. Carli (CERN)
    • 2:30 PM → 4:00 PM
      Cluster Formation and Classification

      Discussion of topo-cluster reconstruction and cluster splitting, cluster classification and em tagging.

      • 2:30 PM
        EM cluster tagging 15m
        Speaker: Pavel Stavina and Vladimir Fekete
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      • 2:45 PM
        Classification with Multivariate Analysis Tools 15m
        Speaker: Kai Voss
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      • 3:00 PM
        Status of Topo Clustering/Splitting and Moments 15m
        Speaker: Sven Menke
        more information
      • 3:15 PM
        Coefficients for cluster classification from QCD di-jet data 10m
        Speaker: Martin Pecsy
        more information
    • 4:00 PM → 4:30 PM
      Coffee Break
    • 4:30 PM → 6:00 PM
      Status of Weighting

      Review of weighting algorithms, different approaches and results for single particles and jets.

      • 4:30 PM
        Status of Local Hadron Calibration Weights 30m
        Speaker: Sven Menke
        more information
      • 5:00 PM
        Weighting on H8 TB data (TBC) 15m
        Speaker: Elin Bergeaas/ Cigdem Issever
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  • Thu, May 4
    • 9:00 AM → 10:00 AM
      Status of Dead Material Corrections

      Review of the various algorithms for ATLAS and testbeams, validation with MC simulation.

      • 9:00 AM
        Status and Future plans of dead material corrections in Athena 30m
        Speaker: G. Pospelov (MPI)
        more information
      • 9:30 AM
        Dead-material correction for pions in the CTB04 15m
        Speaker: K.J. Grahn (Stockholm)
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      • 9:45 AM
        Discussion 15m
        Speaker: T. Carli (CERN)
    • 10:00 AM → 11:15 AM
      MC Validation

      Comparison of data with MC for HEC stand alone runs, FCAL H6 (2003), combined testbeam runs in H6 for EMEC/HEC (2002) and EMEC/HEC/FCAL (2004), TILE stand alone runs and combined testbeam runs in H8 (2004) EMB/TILE.

      • 10:00 AM
        MC validation of the Barrel Calorimeter in the CTB 15m
        Speaker: P. Speckmayer (CERN)
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      • 10:15 AM
        Status MC validation of the e.m. barrel and end-cap calorimeter in standalone test-beams 15m
        Speaker: C. Serfon (LMU Munich)
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      • 10:30 AM
        Status of MC Validation with HEC Testbeam Data 15m
        Speaker: A. Kiryunin (MPI Munich)
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      • 10:45 AM
        TILE: update on GEANT4 Testbeam Data Comparison 15m
        Speaker: Alexa, C.
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      • 11:00 AM
        Discussion - how to achieve full MC validation by 2007 15m
        Speaker: T. Carli (CERN)
        more information
    • 11:00 AM → 11:30 AM
      Coffee Break
    • 11:30 AM → 12:10 PM
      Noise and Pile-up Suppression

      Review status of tools for pile-up and noise suppression.

      • 11:30 AM
        PileUp effects on in-situ calibration with gamma+jets 15m
        Speaker: Doug Schouten
        more information
      • 11:45 AM
        Pile-Up Suppression with the Local Noise Tool 15m
        Speaker: Kyle Cranmer
        more information
    • 12:10 PM → 12:45 PM
      Test of Weights/DM using (t tbar) Events

      First iteration of weighting and dead material correction parameters using (t tbar) events. MC studies to get prepared for first ATLAS data.

      • 12:10 PM
        Testing weights on tt-bar events 15m
        Speaker: Teresa Barillari
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    • 12:45 PM → 2:00 PM
      Lunch
    • 2:00 PM → 3:00 PM
      Status of Present Jet Calibration

      Review of status of default jet calibration and alternative calibration approaches.

      • 2:00 PM
        Overview of weighting schemes 30m
        Speaker: Chiara Roda (University of Pisa)
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      • 2:30 PM
        Update on Pisa Calibration 15m
        Speaker: Andrea Dotti (University of Pisa)
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      • 2:45 PM
        Jet Calibration at Trigger 15m
        Speaker: Patricia Conde Muíño (LIP)
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    • 3:00 PM → 4:00 PM
      Missing Et and Tau Calibration

      Comparison of missing Et calculation from default jet calibration with other methods. Discussion of missing Et tails and tau calibration.

      • 3:00 PM
        Etmiss with default jet calibration 15m
        Speaker: D. Cavalli (Milano)
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      • 3:10 PM
        Use of LocalHadronCalibration for Etmiss 10m
        Speaker: S. Resconi (Milano)
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      • 3:20 PM
        Etmiss from objects 10m
        Speaker: B. Mellado (Wisconsin)
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      • 3:30 PM
        Study of crack regions 10m
        Speaker: N. Kanaya (Kobe)
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      • 3:40 PM
        Default Tau calibration and future plans 10m
        Speaker: M. Heldmann (Freiburg)
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    • 4:00 PM → 4:30 PM
      Coffee Break
    • 4:30 PM → 6:00 PM
      From Local Hadronic Calibration to Jets and Etmiss

      Discussion of refined jet calibration, refined missing Et calculation, refined tau calibration and different group weighting approaches. Status of feedback loop between hadronic calibration and jet/Etmis reconstruction.

      The sequence of topics to be discussed is not quite finalized yet. The materials presently attached may not be the final versions. Also note that contributors have been invited to present their ideas rather than results!

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      • 4:30 PM
        Use of hadronic calorimeter calibration 45m
        • Refined jet calibration strategies
          Speaker: Ambreesh Gupta (University of Chicago)
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        • Missing E<sub>t</sub> calculations using refined calibrations
          Speaker: Silvia Resconi (INFN Milan)
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        • Progress and status of the numeric weighting approach
          Speaker: Elin Bergeaas (Stockholm)
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      • 5:15 PM
        Jet composition and characteristics 30m
        • Jet composition and effect on calibration
          Speaker: Mark Hodgkinson (Sheffield)
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        • Tagging electromagnetic content of jets
          Speaker: Rolf Seuster (Victoria)
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      • 5:45 PM
        Observations and discussions 15m
        Speaker: Peter Loch (Arizona)
        • Goals for Barcelona and first collisions
        • Feedback to calorimeter group
    • 7:30 PM → 10:00 PM
      Dinner

      The dinner will be at \'Weisses Braeuhaus\'. You can order cold/hot meals or full menus a la carte. Go with U6 to \'Marienplatz\', then walk for about 5 minutes in direction to \'Isartorplatz\' on the left side.

  • Fri, May 5
    • 9:00 AM → 11:00 AM
      Insitu Calibration with Initial Running Conditions

      Discussion of calibration cross checks using gamma/jet and Z/jet balance, W->jj decays and single track response. Validation of missing Et and tau energy scale from Z -> tau tau, validation of jet energy scale at high energies.

      • 9:00 AM
        First attempt to apply calibration on real data 15m
        Speaker: I.Vivarelli
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      • 9:15 AM
        Jet and EtMiss problematics induced by instrumental effects 15m
        Speaker: R. McPherson, Y.Ishizawa, I.Trigger,K.Voss (Victoria, TRIUMF)
        more information
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      • 9:30 AM
        E/p validation with single hadrons 15m
        Speaker: J. Lu (Alberta)
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      • 9:45 AM
        gamma/Z + jet Pt balance 15m
        Speaker: S.Jorgensen (Barcelona)
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      • 10:00 AM
        gamma/Z + jet EtMiss Projection 15m
        Speaker: D.Schouten (Burnaby, British Columbia)
        more information
      • 10:15 AM
        Jet Scale using W->jj 15m
        Speaker: C.Roda for D.Pallin & J.Schwindling (Clermont-Ferrand)
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      • 10:30 AM
        EtMiss and Tau validation in situ 15m
        Speaker: D.Cavalli (Milano)
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      • 10:45 AM
        Very high energy jet scale validation 15m
        Speaker: Peter Loch (University of Arizona)
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        • Additional Material: First thoughts...
          Speaker: Frank Paige (BNL)
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    • 11:00 AM → 11:30 AM
      Coffee Break
    • 11:30 AM → 12:30 PM
      Workshop Summary

      Conclusions, tasks, priorities ...

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