Pile-Up Pulse Decomposition
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Pile-Up Pulse Decomposition Jia-Ye Chen 2007.08.29
description
Pile-Up Pulse Decomposition. Jia-Ye Chen 2007.08.29. Outline. Much tighter pile-up pulse selection with different ADC & TDC cut conditions Residual of Pad, Residual of Z and Efficiency (90,000 events with different targets) Event display to check track pile-up (vertex point is out of target). - PowerPoint PPT Presentation
Transcript of Pile-Up Pulse Decomposition
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Pile-Up Pulse Decomposition
Jia-Ye Chen2007.08.29
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Outline
• Much tighter pile-up pulse selection with different ADC & TDC cut conditions
• Residual of Pad, Residual of Z and Efficiency (90,000 events with different targets)
• Event display to check track pile-up (vertex point is out of target)
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Much Tighter Selection Algorithm
)1(parprevMinAdc
cnextPeakAd
)2(parprevMinTdccnextPeakTd
ADC (2,3,4,5,8,10,16,20)
TDC (3,4,5,6,7,8,9,10)
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Residual of PadC CH2
Cu
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Residual of ZC CH2
Cu
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EfficiencyC CH2
Cu
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Track Pile-up Check
Criteria• trkQualt = 1• numHitst > 5• qq1 * qq2 = -1• momt(4,:) < 1.0 GeV/c• separation between vertex point and tar
get center > 40 mm
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