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ACD Status - PowerPoint PPT Presentation


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ACD Status. Overview. TDS. Gaudi Algorithms. AcdDigiAlg. McPositionHitCol. AcdDigiCol. TkrFitTrackCol. AcdReconAlg. AcdRecon. TDS Classes. AcdDigi. AcdRecon. Every AcdDigi corresponds to one detector associated with 2 PMTs.

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overview
Overview

TDS

Gaudi Algorithms

AcdDigiAlg

McPositionHitCol

AcdDigiCol

TkrFitTrackCol

AcdReconAlg

AcdRecon

tds classes
TDS Classes

AcdDigi

AcdRecon

  • Every AcdDigi corresponds to one detector associated with 2 PMTs.
  • Each AcdDigi contains:2 PHAs2 Sets of Discriminators low veto CNOEnergy deposited in MeV
  • One AcdRecon object per event.
  • Each AcdRecon contains:Total energy depositedCount of ACDs above vetoDOCAList of DOCAs for top, sidesActive DistanceList of Act Distance for top, sidesCollection of recon energies
acddigi package
AcdDigi Package
  • Three Gaudi algorithmsAcdDigiAlg – uses McPositionHitCol, optional edge effectsAcdDigiMcIntegratingHitAlg – uses McIntegratingHitColAcdDigiOrgAlg – original PDR alg

AcdDigi

cmt

doc

src

Gaudi Algorithms and AcdUtil class

xml

acdDigi.xml – input parameters

acddigialg
AcdDigiAlg

Locate ACD volumes

TDS

Optional

McPositionHitCol

Convert MeVTo MIPs

EdgeEffects

AcdDigiCol

Split signal between 2 PMTs

Apply Poisson Fluctuations

Convert MIPs to PEs

Calc. MIPs to Full Scale conversion

ApplyGaussianNoise

MIPs to PHASet Veto & CNO Disciminators

acdrecon package
AcdRecon Package
  • Currently based on original AcdRecon from glastsim with some updates.
  • Need to insert placeholder for reconstructed energies.
  • The AcdReconAlg will be updated soon.

AcdRecon

cmt

doc

src

AcdReconAlg and AcdDisplay

xml

acdBFEM.xml – input parameters

acd recon

outside tile boundary

inside tile boundary

Background

no tile hit

[cm]

ACD Recon

Primary outputs (both originally designed by Bill Atwood):

1) Active Distance:

measures distance

from edge

(done once for entire

ACD, and by region)

2) Distance of Closest Approach (DOCA): measure distance from the center of a tile. Done also for different regions of the ACD, since tile size varies.

ACD_Act_Dist

ACD_DOCA

Note: As work to make the ACD digitization more realistic is nearly finished, will now update recon output

Recon also provides: energy deposition estimate and counts of tiles above threshold by region.

to do list
To Do List
  • Check Geometry last update from Nov 2001.
    • Gaps? No tilt on sides and no curved tiles which is fine.
  • Setup AcdUtil class as a GaudiTool
  • Treat fibers as detectors
  • Provide performance tests
  • Calibration