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Assay and Acquisition of Radiopure Materials

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Table of Contents

QGSP_BERT_HP (Geant4 9.4 and later)

  • QGS parton-string models for nucleons and mesons at high energies 12 GeV to ~100 TeV
  • Precompound model for nuclear de-excitation
  • Bertini cascade for nucleons and mesons at medium energies < 10 GeV except for neutrons below 20 MeV
  • LEP (parameterized model) for nucleons and mesons for region between 10 GeV and 25 GeV
  • HP (high precision neutron) model for neutron elastic, inelastic, capture and fission below 20 MeV
  • LEP, HEP (parameterized models) for hyperons, anti-hyperons, anti-nucleons at all energies
  • Ions: LEP models for d, t, alpha, all energies
  • Stopped negative particle interactions handled by CHIPS model
  • e+, e-: G4ElectroNuclearReaction (CHIPS), all energies
  • Muon-nuclear: old mu-nuclear model, all energies used in 9.4 new model, G4VDMuonNuclear used in 9.5 and later, and backported to 9.3 p02, all energies
  • Gamma-nuclear: G4GammaNuclearReaction model below 3.5 GeV, QGS model above 3 GeV
  • Elastic: CHIPS and LHEP models for hadrons, with exception of neutrons below 20 MeV, and light ions
  • Standard electromagnetic package

Shielding (Geant4 9.4 and later)

  • FTF parton-string models for nucleons and mesons at high energies 4 GeV to ~100 TeV
  • Precompound model for nuclear de-excitation
  • Bertini cascade for nucleons and mesons at medium energies < 5 GeV except for neutrons below 20 MeV
  • HP (high precision neutron) model for neutron elastic, inelastic, capture and fission below 20 MeV. Includes inelastic cross sections from JENDL database.
  • CHIPS model for hyperons, anti-hyperons, anti-nucleons at all energies
  • Light ions (d, t, alpha): Binary cascade (0 - 100 MeV), QMD (100 MeV - 10 GeV), LHEP (10 GeV - 1 TeV)
  • All other ions: Binary cascade (0 - 100 MeV), QMD (100 MeV - 10 GeV)
  • Stopped negative particle interactions handled by CHIPS model
  • e+, e-: G4ElectroNuclearReaction (CHIPS), all energies
  • Muon-nuclear: old mu-nuclear model, all energies used in 9.4 new model, G4VDMuonNuclear used in 9.5 and later, and backported to 9.3 p02, all energies
  • Gamma-nuclear: G4GammaNuclearReaction model below 3.5 GeV, QGS model above 3 GeV
  • Elastic: CHIPS and LHEP models for hadrons, with exception of neutrons below 20 MeV, and light ions
  • Standard electromagnetic package

CDMSPhysicsList in SuperSim

  • Same Shielding model as in Geant4, but with radioactive decay and optical physics added. New muon-nuclear not included until move to Geant4 9.5
dm_task_force/physics_lists.txt · Last modified: 2011/12/14 10:24 by 128.101.221.152

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