GAP-X-GAP events First report 15.07.2010 QCD, GXG, A. Swiech, D. - - PowerPoint PPT Presentation

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GAP-X-GAP events First report 15.07.2010 QCD, GXG, A. Swiech, D. - - PowerPoint PPT Presentation

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GAP-X-GAP events First report 15.07.2010 QCD, GXG, A. Swiech, D. Wrana, M. Zurek 1 Run RunNumber: 292319 Date: 2010.05.10 RunTime: 00:13:17 65.3 10 30 cm -2 sec -1 LumiBegin: LumiEnd: 64.2 10 30 cm -2 sec -1 L1Accepts: 3 136 656 (3 935.5

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15.07.2010 QCD, GXG, A. Swiech, D. Wrana, M. Zurek 1

GAP-X-GAP events

First report

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Run

RunNumber: 292319 Date: 2010.05.10 RunTime: 00:13:17 LumiBegin: 65.3 ×1030 cm-2sec-1 LumiEnd: 64.2 ×1030 cm-2sec-1 L1Accepts: 3 136 656 (3 935.5 Hz) L2/L3Accepts: 113 226 (142.1 Hz)

BSC Veto, CLC Veto, Forward Plug Veto on 2GeV

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15.07.2010 QCD, GXG, A. Swiech, D. Wrana, M. Zurek 3

Triggers

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15.07.2010 QCD, GXG, A. Swiech, D. Wrana, M. Zurek 4

Triggers

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15.07.2010 QCD, GXG, A. Swiech, D. Wrana, M. Zurek 5

Checking triggers

Histograms:

ADC counts for BSC1 (east, west and both sides) ADC counts for CLC (east, west and both sides) Et for Forward Plug (east, west and both sides) |eta| > 2.1

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ADC counts for BSC1

Sum of ADC counts for both sides of BSC1 with triggers 0, 1 – zero bias data Sum of ADC counts for both sides of BSC1 with triggers 5,6,7,8,9 Sum of ADC counts for both sides of BSC1 with triggers 0,1 – zero bias data 0-tracks and tracks events separated

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ADC counts for BSC1

Sum of ADC counts for east and west sides of BSC1 with triggers 0,1 – zero bias data Sum of ADC counts for east and west sides of BSC1 with triggers 5,6,7,8,9

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ADC counts for BSC1

Maximum ADC counts for both sides of BSC1 with triggers 0,1 – zero bias data 0-tracks and tracks events separated Maximum ADC counts for both sides of BSC1 with triggers 0,1 – zero bias data Maximum ADC counts for both sides of BSC1 with triggers 5,6,7,8,9

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ADC counts for BSC1

Maximum ADC counts for east and west sides of BSC1 with triggers 0,1 – zero bias data Maximum ADC counts for for east and west sides of BSC1 with triggers 5,6,7,8,9

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ADC counts for CLC

Sum of ADC counts for both sides of CLC with triggers 0,1 – zero bias data Sum of ADC counts for both sides of CLC with triggers 5,6,7,8,9 Sum of ADC counts for both sides of CLC with triggers 0,1 – zero bias data 0-tracks and tracks events separated

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ADC counts for CLC

Sum of ADC counts for east and west sides of CLC with triggers 0,1 – zero bias data Sum of ADC counts for east and west sides of CLC with triggers 5,6,7,8,9

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ADC counts for CLC

Maximum ADC counts for both sides of CLC with triggers 0,1 – zero bias data Maximum ADC counts for both sides of CLC with triggers 5,6,7,8,9 Maximum ADC counts for both sides of CLC with triggers 0,1 – zero bias data 0-tracks and tracks events separated

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ADC counts for CLC

Maximum ADC counts for east and west sides of CLC with triggers 0,1 – zero bias data Maximum ADC counts for east and west sides of CLC with triggers 5,6,7,8,9

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Et for Forward Plug (|eta|>2.1)

Sum of Et for both sides of Forward Plug (|eta|>2.1) with triggers 0,1 – zero bias data Sum of Et for both sides of Forward Plug (|eta|>2.1) with triggers 5,6,7,8,9 Sum of Et for both sides of Forward Plug (|eta|>2.1) with triggers 0,1 – zero bias data 0-tracks and tracks events separated

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Trigger Et for Forward Plug

Sum of trigger Et for both sides of forward plug with triggers 0,1 – zero bias data Sum of trigger Et for both sides of forward plug with triggers 5,6,7,8,9

In recent run veto for 0.75 GeV and more

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Trigger Et for Forward Plug

Sum of the trigger Et for east and west sides of forward plug with triggers 0,1 – zero bias data Sum of the trigger Et for east and west sides of forward plug with triggers 5,6,7,8,9

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We selected events with exactly one vertex, in trigger and 0-bias data. Histograms: Sum Et in calorimeter. EM and EM+HAD. The ratio EM/(EM+HAD). Number of charged tracks per event.

Used notation: O bias data: L2 Triggers: 0,1 Trigger data: L2 Triggers: 3,5,6,7,8,9

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Sum of EM and sum of EM+EHad

Sum of all EM acumulated in calorimeters for one-vertex events:

  • with triggers (red line)
  • 0-bias data (green line)

Sum of all EM + EHad acumulated in calorimeters for one-vertex events:

  • with triggers (red line)
  • 0-bias data (green line)
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Sum of Et energy

Sum of Et acumulated in calorimeters for one-vertex events:

  • with triggers (red line)
  • 0-bias data (green line)
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EM fractions

EM fraction of total energy for

  • ne-vertex events from trigger

data. EM fraction of total energy for

  • ne-vertex events from

0-bias data.

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Number of charged tracks per event

Conditions:

  • one vertex data,
  • tracks only from this vertex,
  • Pt > 0.3 GeV
  • -1.5 < η < 1.5

O-bias data Trigger data

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The most recent run

Number: 294630 Date: 2010.07.13 RunTime: 04:03:04.5 LumiBegin: 60.3 ×1030 cm-2sec-1 LumiEnd: 48.2 ×1030 cm-2sec-1 L1Accepts: 79 631 370 (5 460 Hz) L2/L3Accepts: 2 662 887 (182.6 Hz)

BSC Veto, CLC Veto, Forward Plug Veto on 0.75 GeV

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Triggers