Producing simulation for ACDC

This page documents the procedure on how to produce .sim and then .digi files for the VELO testbeam.

A description of two ACDC geometries has been defined:

  • ACDC2 describes three modules of the VeloRight
  • ACDC3 describes 10 modules sitting in vacuum behind a 4mm aluminum beam window. A Pb segmented target is added along the beam line.

In both these cases, all other objects -- RF foil, vacuum tank and the VeloLeft -- have been removed from the XML description.

Running Gauss and Boole

A set of option files have been produced to run the standard executables to produce Velo ACDC data. These option files are maintained in a seperate package, Velo/VeloACDC. So first get this package and then run Gauss is the same are normal:

  source ~lhcbvelo/scripts/startACDC.csh <myACDCinstallation>

This will take you the job subdirectory of VeloACDC. From here launch Gauss and Boole with

  runGauss <acdc> <nEvents> <full filename less the extention>
  runBoole <acdc> <cc> <full filename less the extention>

eg.

  runGauss ACDC3 $MYSCRATCHAREA/testfile
  runBoole ACDC3 HP1 $MYSCRATCHAREA/testfile

To modify initial beam parameters, edit $VELOACDCOPTS/GaussParticleGun.opts To modify number of events generated, edit $VELOACDCOPTS/Gauss.opts

For Vetra and Panoramix, look here

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Topic revision: r21 - 2006-11-10 - KurtRinnert
 
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