MC-studies for DM-correction and weighting€¦ · Peter Speckmayer, Had. Calib. Workshop –...
Transcript of MC-studies for DM-correction and weighting€¦ · Peter Speckmayer, Had. Calib. Workshop –...
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1Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
Data/MC-validation overview
Hadronic Calibration Workshop,
Munich, 03-05. 05. 2006
Peter Speckmayer
Tancredi Carli
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2Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
• Data: (from the production)/castor/cern.ch/grid/atlas/datafiles/ctb/realdata/11.0.3.v1/pions:cbnt_RecExTB_Combined_1103_v1_2102307.00001.rootcbnt_RecExTB_Combined_1103_v1_2102225.00001.root
• MC: (from the production)/castor/cern.ch/grid/atlas/datafiles/ctb/MonteCarlo/reco/11.0.41/pions:ctb.2307.G4Ctb_CBNT.pi-_20GeV_eta_00.45_Mag_0.0.v4.1102.rootctb.2225.G4Ctb_CBNT.pi-_180GeV_eta_00.45_Mag_0.0.v4.1102.root
data and mc
event-Cut on the data:
• Trigger==1 • sADC_muTag<500
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3Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
topics• Cluster-Energy in the layers of the
Calorimeters
• ClusterMoments (influence of η-reweighting)
• Cluster-configuration
• Cell-energies
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4Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
Evis in Layers : EBEAM=20 GeV
MCData
Data * 0.93 (crosstalk)
MC * 11/13
MC * 0.98
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5Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
Evis in Layers : EBEAM=180 GeV
MCData
Data * 0.93 (crosstalk)
MC * 11/13
MC * 0.98
Data-MC disagreement, especially visible in LAr 2
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6Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
Evis in Layers : EBEAM=9 GeV
MC
Data * 0.93 (crosstalk)
MC * 11/13
MC * 0.98
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7Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
Energy in the Layers• general agreement of Data and MC
• application of “known” and “estimated” factors to the layers-energy improves the data-mc agreement.
• problems at LAr at high beam energies:• ? Lead-thickness will be tested using 11.4.0
• ? other reason
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8Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
ClusterMoments: EBEAM=20 GeV
MCData
MC, re-weighted
worsenes at η-reweighting
no agreement at all
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9Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
ClusterMoments: EBEAM=180 GeV
MCData
MC, re-weighted
worsenes at η-reweighting
no agreement at all
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10Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
• no improvement of m2_r and m2_lambda agreement due to η-reweighting
• cluster shape differ in Data and MC ?
• Reconstruction with all existing ClusterMoments has to be done
ClusterMoments(influence of η-reweighting)
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11Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
Sum of cell-energies
same difference as seen with TopoCluster in LAr
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12Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
Cluster-configuration
first cluster has basically the whole energy
Etot= Sum of Ecell of all Cells of the module
to be restricted ?
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13Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
Cluster-configuration
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14Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
Cluster-configuration 3
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15Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
Cluster-configuration 4
• energy-proportion between clusters (first, second, sum,…) is well described by MC
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16Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
Conclusions• Layers general agreement MC-Data, problems in LAr
• ClusterMoments poor agreement MC-Data
• ClusterConfiguration agreement MC-Data
Plans:full energy scan: 1 – 180 GeV
different physics list
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17Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
Appendix
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18Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
Ecl,i/Etot , cut: Ecl>20GeV*0.3
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19Peter Speckmayer, Had. Calib. Workshop – 03-05. 05. 2006
Ecl,i/Etot , cut: Ecl>20GeV*0.3