HADI: Development of components of the Geant4 toolkit for ... - CERN
HADI: Development of components of the Geant4 toolkit for ... - CERN
HADI: Development of components of the Geant4 toolkit for ... - CERN
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Multiple Scattering: duties, refinements► In G4 <strong>the</strong> Multiple Scattering process per<strong>for</strong>ms <strong>the</strong>se functions:• samples scattering angle after step• Samples lateral displacement• Step length trans<strong>for</strong>mations: Physical to/from geometrical• Step limitation► introduced in order to simulate boundary backscattering effectsWith <strong>Geant4</strong> 8.0 a number <strong>of</strong> changes were introduced:► ‘Model’ Improvement:• Introduced correlation between scattering angle and lateraldisplacement► Applying <strong>the</strong> displacement more frequently and ‘fur<strong>the</strong>r’• Recalculate geometry ‘safety’ be<strong>for</strong>e sampling <strong>the</strong> displacement► Since <strong>the</strong> safety limits this displacementCHEP06 Status <strong>of</strong> Standard EM 5
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