EM-2020 Milestones
ELECTROMAGNETIC WORKING GROUP
plan of activity for 2020
=======================================
(1) - June 2020
(2) - December 2020
(*) - will be done if manpower will be identified
1) Developments for code speed-up:
- implementation of an alternative, specialized transport for e+- and
gamma for HEP applications (1/2)
- consolidate the “general gamma process” and extend it for e+-
(1/2)
- speed-up of the Urban msc model keeping physics performance (1)
- review of Geant4 classes related to transport (1)
- reduce CPU for initialisation in the MT mode (1)
2) Infrastructure and general support for EM physics:
- perform regular execution and regression analysis using existing
testing suites (1/2)
- extend geant-val by full set of tests from the EM testing suite
(1/2)
- introduction of detailed test of stepping for EM calorimeters
triggered by ATLAS (1)
- review adjoint models sub-library (1)
- addition of CMS HGCAL test-beam into testing suite (1)
- study on effect of high energy muon scattering due to high energy
radiative processes (1/2) (*)
3) Further development of the processes of multiple and single
scattering:
- further tuning and optimisation of options for the
Goudsmit-Saunderson model for HEP applications (2)
- new single scattering model for e+- based on ELSEPA (numerical
Dirac-Fock PWA) (2)
- improve back-scattering algorithm for the Urban model (1)
- evaluate WVI performance with 2-nd order corrections enabled (2)
(*)
4) Further update of ionization models:
- review model for sampling fluctuations of e+-, evaluate alternative
models (1/2)
- evaluate usage of ICRU90 stopping power data as the default (1/2)
- evaluate ion ionisation models for moderate and high energies (1)
- evaluate new ion energy fluctuations model (2)
- implement Taborda approximation to electron stopping below 30 keV
(2)
- development of ionisation model for gold based on dielectric theory
(1/2)
5) Gamma models:
- introduce linear gamma polarization options into all gamma models
(2)
- introduce EPICS 2017 cross sections to all gamma models as an
alternative option (1/2)
- review and update all Livermore gamma models (1/2)
- complete the recalculation of atomic electron momentum PDFs and
Compton profiles for all elements (2)
- introduce quantum entanglement for the gamma transport (1)
6) Extended model of positron annihilation:
- addition of more accurate two-gamma annihilation using atomic
electron momentum PDFs (1/2)
- evaluation of the model of the three gamma annihilation (1/2)
- addition of tau pair production by positrons (2)
- extend energy limit for positron annihilation to hadrons (2) (*)
7) Atomic de-excitation module:
- further development of ANSTO PIXE data library and evaluate Auger
emission yields (1/2)
- implementation of a data base for ionisation cross sections of K-,
L-, and M- shells by heavy ion collisions (2)
8) Medical physics applications and radiobiology:
- regular running and evaluation of medical physics benchmarks
(1/2)
- complete report on Geant4 medical physics benchmarks (1)
- simulation studies on RBE, LET, G-values, and DNA damage (1/2)
- addition of a new example with more realistic human phantoms for
radiation
protection and medical purposes (2)
9) Optical photon and X-ray physics:
- extended modelling of scintillation and WLS (1)
- perform tests of Synchrotron radiation in complex magnets (1/2)
- support of the transition radiation model for ATLAS and ALICE (2)
- integration of the Opticks package in the new extended example (2)
10) DNA physics:
- implement CPA100 models for DNA related materials (2)
- increase upper limit for DNA proton physics from 100 to 300 MeV
(2)
- increase upper limit for DNA e- physics Option4 from 10 keV up to 1
MeV (2)
11) DNA chemistry:
- improve existing examples and add chem6 (1)
- implement IRT chemistry transport (1/2)