Standard EM -2018 Milestones

             ELECTROMAGNETIC WORKING GROUP
                plan of activity for 2018
        =======================================

(1)  - June 2018
(2)  - December 2018
(*)  - will be done if manpower will be identified

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1) Infrastructure and general support for EM physics
   - perform regular execution and regression analysis using existing
     testing suites (1/2)
   - adding unit tests for regular tests (1)
   - adding new test for pair production model (1)
   - full migration of the EM testing suite to CVMFS, EOS, and ROOT6 (1)
   - Addition of CMS HGCAL testbeam into testing suite (2)
   - ATLAS tilecal problem (1/2) ()
   - Evaluation on existing models and R\&D on possible new for
     search of particles beyond the Standard Model, extend dmparticle
     extended example (1/2)
   - Study on effect of high energy muon scattering due to high energy
     radiative processes (2) ()

2) Further development of the processes of multiple and single scattering:
   - further tuning and optimisation of options for the Goudsmit-Saunderson
     model for HEP applications (1)
   - further tuning of lateral displacement in the Urban model (1)
   - improve backscattering in the Urban model (2)
   - introduce Mott corrections to WVI and SS models (2)
   - evaluate WVI performance with 2nd order corrections enabled (2) ()
   - study on of the displacement beyond boundary algorithm (1/2) ()

3) Further update of ionization processes:
   - review model for sampling fluctuations of e+-, look for the
     alternative model (1/2)
   - further tuning of the Urban model of fluctuations (2)
   - alternative ion ionisation models for moderate energies (1)

4) Bremsstrahlung and gamma models:
   - review and improvement of Seltzer-Berger model performance (1)
   - introduce bremsstrahlung on atomic electrons at high and
     moderate energies with triplet production (2)
   - validation and improvement of the gamma conversion models including cross
     section and final state generation in the full energy range and
     triplet production (2)
   - introduce direction splitting for bremsstrahlung (2)
   - improve muon production cross section by gamma at threshold (1)

5) - Extended model of positron annihilation:
   - incorporation of the three gamma annihilation (1)
   - improve muon production cross section at threshold (1)
   - addition of tau pair production by positrons (2)
   - extend energy limit for positron annihilation to hadrons (2) (*)

6) Optical photon and X-ray physics
   - extended transition radiation model (1)
   - improve Synkrotron radiation angular distribution (2)
   - review and update interface to G4MaterialProperties to be thread safe
     and fast (1)
   - propagate new interfaces to all optical processes (2)
   - addition of extra test for new interfaces (2)
   - addition of X-ray boundary processes (2) (*)