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Pile-Up Pulse Decomposition

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).

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Pile-Up Pulse Decomposition

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  1. Pile-Up Pulse Decomposition Jia-Ye Chen 2007.08.29

  2. 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)

  3. Much Tighter Selection Algorithm ADC (2,3,4,5,8,10,16,20) TDC (3,4,5,6,7,8,9,10)

  4. Residual of Pad Cu C CH2

  5. Residual of Z Cu C CH2

  6. Efficiency Cu C CH2

  7. Track Pile-up Check Criteria • trkQualt = 1 • numHitst > 5 • qq1 * qq2 = -1 • momt(4,:) < 1.0 GeV/c • separation between vertex point and target center > 40 mm

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