F. Romano on behalf of the Advanced Examples Working Group INFN - Laboratori Nazionali del Sud, Catania, Italy
Advanced examples are Users’ applications that simulate a specific experimental setup Wide experimental coverage: • HEP (15%) Investigate, evaluate and • Space science/astrophysics (20%) demonstrate Geant4 • Medical physics and radiobiology (40%) capabilities in various • Detector technologies and others (25%) experimental environments Wide Geant4 coverage • Geometry features Provide guidance to • Magnetic field Geant4 users in realistic • Physics (EM and hadronic) experimental applications • Biological processes Provide connection • Hits & Digits between developers and • Analysis users of GEANT4 • Visualisation, UI 2
coordinator: L. Pandola (INFN-LNS) deputy: F. Romano (INFN-LNS) 19 members 21 examples (3 less than the last release) http://geant4advancedexampleswg.wikispaces.com/ Migration of all the example pages on CERN Twiki done at the end of 2014 3
https://twiki.cern.ch/twiki/bin/view/Geant4/AdvancedExamples 4
Example Responsible Description air_shower T. Bernardo Detection system for cosmic ray shower simulation ams_Ecal M.Maire Simulation of an Electromagnetic calorimeter Dosimetry for endocavitary, interstitial and superficial brachytherapy S.Guatelli brachytherapy composite_calori A composite electromagnetic and hadronic calorimeter A.Dotti meter ChargeExchange Simulation of charge exchange real experiment performed A. Radkov at the Petesburg Nuclear Physics Institute (PNPI, Russia) MC dnageometry C. Villagrasa Simplified geometrical model of the DNA molecule. Simulation of a track structure in liquid water using the dnaphysics S, Incerti Geant4 DNA very low energy processes eRosita M.G.Pia, et el. PIXE simulation with Geant4 A device for Stereotactic Radiosurgery with Co60 sources gammaknife F. Romano for treatment of cerebral diseases A simplified typical gamma-ray telescope (such as GLAST), gammaray_teles F.Longo with advanced description of the detector response cope G.A.P.Cirrone, F. Simulation of a transport beam line for proton and ion hadrontherapy therapy Romano human_phantom S. Guatelli Internal dosimetry
Example Responsible Description Iort_therapy G.Russo Simulation of a IORT device Simulation of the Forward Liquid Argon Calorimeter of lAr_Calorimeter A.Dotti the ATLAS Detector at LHC medical_linac C.Andenna, et al. A typical LINAC accelerator for IMRT, Simulation of a cellular irradiation microbeam line using microbeam S.Incerti a high resolution cellular phantom Simulation of a track structure in liquid water using the microdosimetry S.Incerti Geant4 DNA very low energy processes microelectronics M. Raine Simulation of tracks of few MeV protons in silicon nanobeam S.Incerti Simulation of a nanobeam line facility Electrons travelling through the magnetic field of a strong purging_magnet J.Apostolakis purging magnet in a radiotherapy treatment head Microdosimetry with diamonds and silicum detectors for radioprotection S.Guatelli, J. Davis radioprotection in space missions underground_phy A simplified typical dark matter detector (such as the A.Howard Boulby Mine experiment) sics Elemental composition of material samples through X- xray_fluerescence A.Mantero ray fluorescence spectra A simplified typical X-ray telescope (such as XMM- xray_telescope G.Santin Newton or Chandra)
General maintenance and cleaning of obsolete methods Migration to g4tools and MT Bug fixes on: • ChargeExchangeMC • Microelectronics • hadronterapy • Microbeam radioprotection • Recent new developments: • Hadrontherapy • Human_phantom 7
Authors: G.A.P. Cirrone , F. Romano et al. , INFN-LNS • Simulation of the whole ELIMED (ELI-beamlines MEDical applications) beamline completed • Simulations of the beam transport systems carried out ( quadrupoles and energy selector ): - Magnetic elements simulated and tested (geometry and field for tracking) - Grid map for magnetic fields implementation (benchmark with reference analytical transport codes) - Simulation outputs compared with experimental data • Simulation of the dosimetric system prototypes carried out - Faraday cup fully simulated ( electric field implemented and tested) Towards a general-purpose example on laser-driven beams…? 8
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• Check of organ sizes and positions Dose ¡difference ¡(%) ¡between ¡Geant4 ¡human_phantom ¡ ¡ Pa#ent ¡ simula#on ¡and ¡the ¡par##on ¡model ¡ • Geometry bugs verification case ¡ Tumour ¡ Normal ¡ Whole ¡ 1 ¡ -‑3.60 ¡ 30.07 ¡ -‑0.64 ¡ • Dose verification in organs (Y-90) 3 ¡ -‑7.03 ¡ -‑0.02 ¡ -‑2.74 ¡ - Good agreement with partition model 4 ¡ -‑3.69 ¡ 6.96 ¡ -‑1.13 ¡ (Ho et al, Eur J Nucl Med (1996)) 5 ¡ -‑3.02 ¡ 2.90 ¡ -‑1.64 ¡ 6 ¡ -‑5.62 ¡ 11.61 ¡ -‑1.29 ¡ • Towards extension to nuclear medicine 7 ¡ -‑3.98 ¡ -‑0.17 ¡ -‑2.23 ¡ Work by: 8 ¡ -‑3.82 ¡ 31.43 ¡ -‑0.51 ¡ - S. Guatelli 9 ¡ -‑7.01 ¡ -‑1.08 ¡ -‑3.20 ¡ (CMRP, UOW) 10 ¡ -‑3.23 ¡ 39.16 ¡ -‑0.39 ¡ - A. Malaroda 11 ¡ -‑3.72 ¡ 8.54 ¡ -‑1.29 ¡ (CMRP, UOW) - N. Hashikin, C. H. Yeong 12 ¡ -‑2.30 ¡ 10.36 ¡ 1.15 ¡ (Department of Biomedical Imaging and 13 ¡ -‑3.69 ¡ 4.61 ¡ -‑1.38 ¡ University of Malaya Research Imaging Centre, 14 ¡ -‑5.43 ¡ 31.67 ¡ -‑0.46 ¡ Faculty of Medicine, Kuala Lumpur, Malaysia) Slide by S. Guatelli 10
air_shower Iort_therapy ams_Ecal lAr_Calorimeter brachytherapy medical_linac composite_calorimeter microbeam ChargeExchangeMC microdosimetry dnaphysics nanobeam eRosita purging_magnet gammaknife radioprotection gammaray_telescope underground_physics hadrontherapy xray_fluerescence human_phantom xray_telescope Dnageometry microelectronics • 75% of examples migrated (50% was in 2013) 11
air_shower Iort_therapy ams_Ecal lAr_Calorimeter brachytherapy medical_linac composite_calorimeter microbeam ChargeExchangeMC nanobeam eRosita purging_magnet gammaknife radioprotection gammaray_telescope underground_physics hadrontherapy xray_fluerescence human_phantom xray_telescope microelectronics • 80% of examples migrated • few of the remaining have to be migrated 12
air_shower Iort_therapy ams_Ecal lAr_Calorimeter brachytherapy medical_linac composite_calorimeter microbeam ChargeExchangeMC microdosimetry dnaphysics nanobeam eRosita purging_magnet gammaknife radioprotection gammaray_telescope underground_physics hadrontherapy xray_fluerescence human_phantom xray_telescope dnageomtery microelectronics • 70% migrated (40% was in 2013) 13
air_shower Iort_therapy ams_Ecal lAr_Calorimeter brachytherapy medical_linac composite_calorimeter microbeam ChargeExchangeMC nanobeam eRosita purging_magnet gammaknife radioprotection gammaray_telescope underground_physics hadrontherapy xray_fluerescence human_phantom xray_telescope microelectronics • 75% migrated • A few still remaining 14
- Maintenance and bug fix - General code cleaning of examples - Migration of examples to Geant4-MT and G4tools - Upgrade of human_phantom (extension to nuclear medicine) ( in progress ) - Validation and implementation in hadrontherapy of the LTE/RBE modelling derived by experimental measurements ( data on RBE for pristine and SOBP protons acquired ) 15
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