Archives de catégorie : Non classé

More on Kernel, Physics Presentations More on Kernel( slides ) User limits, User information classes, Stack management, [Shower parametrization], Multi-threading, Speeding up the application Which Physics List to Use( slides ) Choosing appropriate Physics List, Validation Exercise Add stacking action … Continuer la lecture →

Code for download: session8_start.tar.gz ** These exercices are of course just a little sample of physics problems. ** Energy deposit depending on particle species: Add a calorimeter collection to collect deposit from neutral particles only. Add an Edep histogram for … Continuer la lecture →

More on Physics Presentation ( slides ) EM physics EM standard overview, Multiple scattering Hadronic physics Overview, Elastic process, Precompound/de-exitation models, Cascade models, Parameterized models Neutron physics, Ion physics, Radioactive decay String models, CHIPS / electro-nuclear models, Capture / fission … Continuer la lecture →

Code for download: session7_start.tar.gz Exercise: Rotate Tubs volume so that the tube symmetry axis is parallel with y-axis of the world reference frame. Complete the EDMagneticField class to define a magnetic field with B=1.0*tesla in the y-direction and which is … Continuer la lecture →

More on Geometry Presentations More on Geometry ( slides ) Magnetic field, Repeated placements (parameterised volume, replicas and divisions, nested parameterisation), Special techniques of placements (Assembly volume, Reflected volume), Optimization techniques, Debugging geometries Geometry persistency( slides ) ASCII text models, … Continuer la lecture →

Code for download: session6_start.tar.gz Exercise: With use of G4AnalysisManager (see example B4/B4d ): Create & fill histogram Define a 1D histogram for the energy deposited per event for each calorimeter layer Implement filling of histograms in the EDEmCalorimeterSD::EndOfEvent() function. Hint: … Continuer la lecture →

Analysis Presentations Analysis ( slides ) History, Geant4 analysis tools, Histograms and ntuples, Plotting With External analysis tools, Interfacing With External Analysis Tools (ROOT, AIDA) More on Visualization/UI ( slides ) Visualization commands Exercise Add histograms & ntuples, Open generated … Continuer la lecture →

Page of Hands-on session 2013.  

Session  1:     Introduction in Geant4 Session  2:     Geometry & Materials Session  3:     Primary Particles, User Actions Session  4:     Physics Session  5:     Scoring Session  6:     Analysis, More on Vis/UI Session … Continuer la lecture →

Scoring Presentations Scoring ( slides ) Extracting useful information, Sensitive detectors, Geant4 scorers, Command-based scoring, Accessing information from Geant4 objects Identification of detector components in geometry ( slides ) Touchables Exercise Implement hits and sensitive detector for both tracker and … Continuer la lecture →