Data On Data Overlay

Signal 1 Signal 2

Trigger HLT_GlobalRunHPDNoise HLT_DiJet50U_PT50U_v3

Dataset /HcalHPDNoise/Run2010B-v1/RAW /MultiJet/Run2010B-v1/RAW

Run 148846 148864

Event 560 545858902

Lumi 1 476

Signal 1 Signal 2

Trigger HLT_DiJet50U_PT50U_v3 HLT_GlobalRunHPDNoise

Dataset /MultiJet/Run2010B-v1/RAW /HcalHPDNoise/Run2010B-v1/RAW

Run 148864 148846

Event 545858902 560

Lumi 476 1

vs.

Effect of inverting signal events

Mixed Event1 HPDNoise + 1 DiJet

Event Display 3d Lego View

2

Mixed Event1 DiJet + 1 HPDNoise

Event Display 3d Lego View

3

Data On Data N Pile-UpCMSSW_3_9_2

Signal 1 Signal 2

Trigger HLT_ZeroBias HLT_ZeroBias

Dataset /MinimumBias/Run2010B-v1/RAW /MinimumBias/Run2010B-v1/RAW

Run 148864 148864

Signal 1 Signal 2

Trigger HLT_DiJet50U_PT50U_v3 HLT_ZeroBias

Dataset /MultiJet/Run2010B-v1/RAW /MinimumBias/Run2010B-v1/RAW

Run 148864 148864

And

4

Single Zero Bias EventUnmixed Event

1 ZeroBias

5

Data on Data N-Pile-UpN=2

Mixed Event1 ZeroBias + 1 ZeroBias

6

Mixed Event1 ZeroBias + 15 ZeroBias

Data on Data N-Pile-UpN=16

7

Data on Data Large N Pile-UpN=1+50

Mixed Event1 DiJet + 50 ZeroBias

8

Sim On Data N Pile-UpCMSSW_3_8_7_patch1

Signal 1 Signal 2

Dataset /Ztautau_M20_CTEQ66-powheg/Summer10-START37_V5_S09-v2/GEN-SIM-RAW

/MinimumBias/Run2010B-v1/RAW

Run 1 148864

9

Sim on Data N-Pile-UpN=1+1

Mixed Event1 Ztautau + 1 MinBias

10

Sim on Data N-Pile-UpN=1+15

Mixed Event1 Ztautau + 15 MinBias

11