Plan2016

ELECTROMAGNETIC WORKING GROUP plan of activity for 2016 =======================================

(1) - June 2016 (2) - December 2016 (*) - will be done if manpower will be identified [LE] - in collaboration with the Low-energy EM working group

1) Infrastructure and general support for EM physics

  • migration remaining EM and medical examples to multi-threading (1/2)
  • introduction of elements of C++11 into EM code (1/2)
  • ATLAS tilecal problem (1/2)
  • ATLAS EM shower shape (1/2)
  • CMS EM shower shape in combined testbeam (1/2)
  • ALICE EM physics configuration (1)
  • ALICE TRD physics (1)
  • CALICE calorimeter simulation (1/2)
  • improve computation of range and energy loss of alpha in G4EmCalculator (1)

2) Validation and verification of EM physics

  • perform regular execution and regression analysis using existing testing suites (1/2)
  • Extended testing suite - migration to cmake, to Geant4 internal analysis software, and migration to MT where possible (1/2)
  • continue detailed comparison of Standard, Livermore, Penelope, and DNA models [LE] (1/2)
  • extend backscattering tests in the testing suite (2) [LE]
  • add CALICE calorimeter tests, focusing on lateral shape (2) (*)
  • add Cerenkov calorimeter test (2) (*)
  • add bremsstrahlung benchmark (2) (*)
  • development of electron line-shape test in sampling calorimeter (2) (*)

3) Further development of the processes of multiple and single scattering:

  • study on of the displacement beyond boundary algorithm (1) [GE]
  • further development of the Goudsmit-Saunderson model (1)
  • evaluate WVI model performance with 2nd order corrections enabled (2)
  • Study on effect of high energy muon scattering due to high energy radiative processes (1)

4) Further update of ionization processes:

  • review model for sampling fluctuations of e+- (1/2)
  • refinement of effective ion charge approach (2) (*)
  • alternative ion ionisation models for moderate energies (2) (*)

5) Bremsstrahlung and gamma models:

  • incorporation of the three gamma annihilation (2)
  • improved parameterisation for e+ bremsstrahlung cross section (2) (*)
  • update Compton scattering model adding radiative corrections (2) (*)
  • feasibility study on improved secondary generation at high energy for e+e- pair production by e- and e+ (2) (*)

6) Evaluation of PAI and XTR models for ALICE (1)

7) High energy processes

  • Evaluation or usage of Geant4 rare processes for muon backgrounds for CLIC and R&D studies for FCC (1/2)
  • extention of grid of internal table for mu-nuclear (2)

8) Optical photon physics

  • Extension to the unified surface model to have both specular and diffuse components for the transmitted photons (2)
  • Modeling of optical transport in a volume that has different optical treatments on different sides (2)