lecture5 - Can import from other formats(GDML Note more...

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http://geant4.web.cern/geant4 Go to ‘User’s Guide: for Application Developers’ Another resource: ‘Hyper-News Forum’ http://hypernews.slac.stanford.edu/ HyperNews/geant4/cindex Examples in the geant4.9.4/examples directory ... start with the ‘novice’ ones
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Set up the detector details Set up the physics processes to include Set up primary particle generation Create the run manager Initialize User interface Run events Clean up
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You can run interactively or in ‘batch mode’
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Set up the detector details Set up the physics processes to include Set up the primary particle generation Need to define these 3 classes
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Set up the detector details - geometry - materials - ‘sensitive detectors’ - digitization
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Defining materials
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Mixtures
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Creating a solid Available: box, tube, cone, parallelepiped, trapezoid,sphere, polyhedra, ellipsoid... (sections, replicas, tesselated solid...)
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Unformatted text preview: Can import from other formats (GDML) Note: more complicated is usually slower to simulate Creating a logical volume Creating a physical volume can also rotate with respect to the mother volume Only the world volume doesn’t need a mother Set up the physics processes to include Now set up the physics you want to simulate (this can be the hard part) -particles -processes Tells Geant4 when to stop tracking particles (range converted to energy; defaults usually OK) Physics lists: define your processes Decide on what processes you want ‘Packaged’ physics lists available Set up the primary particle generation Setting up a primary generator -this is what ‘throws’ the particles -you may simply read kinematics files from another generator - or you can code in your own generator G4Particle Gun Example of a simple primary generator This is invoked for every event...
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