Difference: SWGuideFastSimSimHitsAndTracks (2 vs. 3)

Revision 32015-04-27 - LukasVanelderen

Line: 1 to 1
 
META TOPICPARENT name="SWGuideFastSimulation"

SimHits, SimTracks, and SimVertices in FastSim

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SimTrack and SimVertex collections

The SimTrack and SimVertex collections summarise the trajectories of particles through the detector.

A first component of these collections corresponds to particles provided by the generator. For each such particle, the origin vertex is stored as a SimVertex, and the momentum at the origin vertex is stored as SimTrack.

  • These SimVertices and SimTracks are produced in the function
    FBaseSimEvent::fill(const std::vector& simTracks,const std::vector& simVertices)
    (link to code)
  • which is caled inside
    FamosManager::reconstruct
    (link to code)

A second component of these collections corresponds to particles produced during simulation via interaction of particles with material.

 

SimHits in tracker

 
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