Working Groups

Here follows the list and the current composition of the GEANT4 working groups, which have been created in close relation with the sub-domains and activities identified in our project. (Working groups in 1995, 1996 and 1997)

The members of each group are listed in alphatical order, with the exception of each group's coordinator, who are listed first.

• Digitization / Hits
• Events and Tracks Management
• Geometry
• GUI / UI
• PIIM / Hadronics
• PIIM / E.M. physics
• PIIM / Low energy physics
• Tracking
• Visualization
• OODBMS / Persistency
• PIIM / General physics
• PIIM / Shower Parameterisations
• Space application
• Software Quality assurance
• Software Tools and Support
• Parallel Processing
• Geant4 Examples and Tests
• Geant4 System Testing Team
• Requirements
• Consultants

Digitization / Hits

• A.Dellacqua (CERN, ATLAS) - OOA&D and implementation - Coordinator
• M.Asai (Hiroshima Inst. of Tech.) - OOA&D and implementation - Coordinator in Japan
• C.Arnault (LAL Orsay, ATLAS) - OOA&D and implementation
• S.Banerjee (TIFR Bombay, CMS) - OOA&D
• I.Nakano (Okayama Univ.) - OOA&D and implementation
• M.Nakao (Okayama Univ.) - OOA&D and implementation
• S.Piperov (Sofia Univ., CMS) - OOA&D and implementation
• M.Takahata (Niigata Univ.) - OOA&D and implementation
• N.Tamura (Niigata Univ.) - OOA&D and implementation
• T.Wenaus (LLNL, SLAC, BaBar) - OOA&D and implementation
• T.Yamaguti (Okayama Univ.) - OOA&D and implementation
• Y.Yamashita (Nippon Dental Univ.) - OOA&D and implementation

Events and Tracks Management

• M.Asai (Hiroshima Inst. of Tech.) - Events management - Coordinator
• H.Kurashige (Kyoto Univ.) - Events generators interface - Coordinator
• S.Hayashi (Hiroshima Inst. of Tech.) - OOA&D and implementation
• P.Jacobs (LBL, NA49, STAR) - High multiplicity events

Geometry

• J.Apostolakis (CERN) - OOA&D and implementation - Coordinator
• V.Grichine (CERN, LPI Moscow) - CSG and numerical algorithms
• P.Kent (Bath Univ.) - OOA&D and implementation
• F.Lamanna (INFN Rome, BaBar) - Hyperboloids
• W.Lockman (UCSC, BaBar) - G3toG4 interface
• A.Mokhtarani (LBL) - Implementation
• E.Safai Tehrani (INFN Rome, BaBar) - Hyperboloids
• T.Sasaki (KEK) - OOA&D
• P.Urban (CERN, Techn. Univ. of Budapest) - BREP, STEP
• W.Wander (MIT) - Integrators in magnetic field
• T.Wenaus (LLNL, SLAC, BaBar) - G3toG4 interface
• D.Williams (U.C. Santa Cruz - BaBar) - CSG and BREPS

GUI / UI

• G.Cosmo (SLAC, BaBar) - GUI OOA&D - Coordinator
• M.Nagamatu (Naruto Univ. of Education) - GUI and UI OOA&D - Coordinator
• H.Yoshida (Naruto Univ. of Education) - GUI OOA&D - Coordinator
• M.Asai (Hiroshima Inst. of Tech.) - UI OOA&D and implementation - Coordinator
• G.Barrand (LAL,IN2P3,CNRS) - OOA&D and implementation
• C.Fukunaga (Tokyo Metropolitan Univ.) - OOA&D and implementation
• T.Kodama (Naruto Univ. of Education) - OOA&D and implementation
• T.Obana (Naruto Univ. of Education) - OOA&D and implementation
• K.Ohtubo (Fukui Univ.) - GUI OOA&D and implementation
• S.Prior (CERN) - GUI OOA&D and implementation
• S.Tanaka (Fukui Univ.) - GUI OOA&D and implementation
• H.Uno (Naruto Univ. of Education) - OOA&D and implementation
• T.Yamagata (International Christian Univ.) - OOA&D and implementation

PIIM / Hadronics

• H.Fesefeldt (RWTH Aachen, CMS) - Inelastic and high energy interactions - Coordinator
• H.Kurashige (Kyoto Univ.) - OOA&D and implementation - Coordinator in Japan
• H.P.Wellisch (CERN, CMS) - theory-driven models, OOA&D, Coordinator
• N.Ameline (JINR, ALICE) - Theory and heavy ion interactions
• M.Asai (Hiroshima Univ. of Tech.) - OOA&D and implementation
• C.DallaPiccola (Univ. Maryland - BaBar) - OOA&D and implementation, hadronic generators
• A.Feliciello (INFN) - Alice physics testing and implementation
• G.Folger (CERN) - OOA&D and implementation, hadronic generators
• R.Hamatsu (Tokyo Metropolitan Univ.) - OOA&D and implementation
• M.Heikkinen (Helsinki Institute of Physics(HIP), Univ.Of Helsinki) - OOA&D and implementation
• J.Kanzaki (KEK) - Lepton/photon-hadron and elastic interactions
• M.Komogorov (Dubna) - OOA&D and implementation, hadronic generators
• V.Lara (Valencia Univ., CERN, ATLAS) - OOA&D and implementation
• N.Mokhov (FNAL) - event biasing
• K.Murakami (Kyoto Univ.) - OOA&D and implementation
• I.Nakano (Okayama Univ.) - OOA&D and implementation
• A.Pavliouk (Dubna) - OOA&D and implementation, hadronic generators
• I.Sakai (Tokyo Metropolitan Univ.) - OOA&D and implementation
• V.Sirotenko (Noth Illinois Univ., D0, ATLAS) - Implementation
• Y.Smirnov (JINR Dubna) - Theory and implementation
• M.Takahata (Niigata Univ.) - OOA&D and implementation
• N.Tamura (Niigata Univ.) - OOA&D and implementation
• T.Umeda (Okayama Univ.) - OOA&D and implementation
• D.Wright (LLNL, BaBar) - OOA&D and implementation
• H.Yagi (Okayama Univ.) - OOA&D and implementation
• C.Zeitnitz (Mainz Univ.) - OOA&D and implementation

PIIM / E.M. physics

• M.Maire (LAPP, CMS) - OOA&D and implementation - Coordinator
• M.Asai (Hiroshima Univ. of Tech.) - Semicontinuous interactions - Coordinator in Japan
• V.Grichine (LPI Moscow) - Implementation
• R.Kokoulin (MEPhI, Moscow) - Cosmic rays
• F.Lamanna (INFN Rome, BaBar) - Cosmic rays
• V.Lara (Valencia Univ., CERN, ATLAS) - OOA&D and implementation
• I.Nakano (Okayama Univ.) - Implementation
• M.Nakao (Okayama Univ.) - Implementation
• G.Parrour (Orsay, ATLAS) - Physics comparisons
• A.Rybin (IHEP Protvino) - Cosmic rays
• L.Urban (KFKI Budapest) - OOA&D and implementation
• T.Yamaguti (Okayama Univ.) - Implementation

PIIM / Low energy physics

• P.Gumplinger (TRIUMF) - E.M. OOA&D and implementation - Coordinator
• G.Greeniaus (Alberta University, ATLAS, HERMES) - OOA&D and implementation - Coordinator
• H.P.Wellisch (CERN, CMS) - Hadronics OOA&D and implementation - Coordinator
• D.Axen (UBC) - OOA&D and implementation
• J.Chuma (TRIUMF) - OOA&D and implementation
• L.Felawka (TRIUMF) - OOA&D and implementation
• A.Feliciello (INFN) - Alice physics testing and implementation
• F.Jones (TRIUMF) - OOA&D and implementation
• C.Kost (TRIUMF) - OOA&D and implementation
• M.Laidlaw (TRIUMF) - OOA&D and implementation
• S.Magni (INFN Milan, Borexino) - Optics and alpha testing
• A.Olin (Triumf) - OOA&D and implementation
• M.G.Pia (INFN Genoa, BaBar) - stopping particles
• X.Shi (LLNL, BaBar) - OOA&D and implementation
• C.Volcker (Crystal Barrel) - stopping particles
• D.Wright (TRIUMF) - Implementation
• Y.Yang (TRIUMF) - OOA&D and implementation

Tracking

• K.Amako (KEK) - OOA&D and implementation - Coordinator
• R.Hamatsu (Tokyo Metropolitan Univ.) - OOA&D and implementation
• T.Sasaki (KEK) - OOA&D and implementation

Visualization

• J.Allison (Manchester Univ., BaBar) - OOA&D and implementation - Coordinator
• S.Tanaka (Fukui Univ.) - PostScript, X11, OGL - Coordinator in Japan
• M.Asai (Hiroshima Univ. of Tech.) - OOA&D and implementation
• G.Barrand (LAL,IN2P3,CNRS) - OOA&D and implementation
• A.Boehnlein (FNAL) - OpenInventor
• J.Boudreau (Pittsburgh Univ., CDF) - OpenInventor
• J.Kallenbach (FNAL) - OpenInventor
• Y.Nakagawa (International Christian Univ.) - OOA&D and implementation
• E.Tcherniaev (IHEP, Serpukhov) - Implementation Booleans, CSG
• A.Walkden (Manchester Univ., BaBar) - OGL, Phigs

OODBMS / Persistency

The following people are working on the Object Persistency for GEANT4 in collaboration with RD45:

• Y.Morita (KEK) - Object persistency - Coordinator
• C.Arnault (LAL Orsay, ATLAS) - OODBMS, Hits/digi
• M.Asai (Hiroshima Inst. of Tech.) - Events persistency
• G.Cosmo (SLAC, BaBar) - OODBMS
• A.Dell'Acqua (CERN, ATLAS) - Hits/digi
• A.Kimura (Niigata Univ.) - Object persistency
• M.Nagamatu (Naruto Univ. of Education) - Object persistency
• H.Sakamoto (Kyoto Univ.) - Object persistency
• T.Sasaki (KEK) - Object persistency - Coordinator in Japan

PIIM / General physics

The following people are working on general utility software for the physics:

• G.Cosmo (SLAC, BaBar) - Random numbers
• S.Hayashi (Hiroshima Inst. of Tech.) - PDG and decays
• H.Kurashige (Kyoto Univ.) - PDG and decays
• M.Maire (LAPP, CMS) - Physics units and constants
• E.Tcherniaev (IHEP, Serpukhov) - CLHEP

PIIM / Shower Parameterisations

The following people are working on physics shower parameterisations:

• W.Langeveld (SLAC, BaBar) - Bogus
• P.Mora de Freitas (PNHE Ecole Polytechnique, BaBar) - Bogus
• C.Thiebaux (PNHE Ecole Polytechnique, BaBar) - Bogus
• M.Verderi (PNHE Ecole Polytechnique, BaBar) - Bogus
• J.Yarba (FNAL) - MCFAST

Space application

The following people are working for the ESA - CERN joint project on Geant4:

• P.Nieminen (ESA ESTEC) - ESA Technical Officer
• A.Forti (INFN) - development and testing
• F.Lei (Univ. of Southampton) - development and testing
• P.Truscott (DERA) - development and testing

Software Quality assurance

The following people (but also others) are working or have worked on the quality assurance of the software by developing testing procedures, using tools, inspecting code, checking and updating coding guidelines and studing the software development process:

• J.Allison (Manchester Univ.)
• K.Amako (KEK, ATLAS)
• M.Asai (Hiroshima Inst. of Tech.)
• G.Cosmo (SLAC, BaBar)
• A.Dell'Acqua (CERN, ATLAS)
• M.Maire (LAPP, CMS)
• P.Urban (CERN, Techn. Univ. of Budapest)
• H.P.Wellisch (CERN, CMS)

Software Tools and Support

The following people are working at the different sites on the support of the needed software infrastructure and documentation:

• G.Cosmo (SLAC, BaBar) - WWW, CVS at SLAC, Release coordinator
• K.Amako (KEK, Atlas) - Documentation global editor
• G.Folger (CERN) - WWW, CVS at CERN
• N.Katayama (KEK) - STL at KEK
• A.Kimura (Niigata Univ.) - Software support at Niigata
• C.Kost (TRIUMF) - Software support at TRIUMF
• S.Sadilov (IHEP Protvino) - Windows NT
• T.Sasaki (KEK) - Software support at KEK
• N.Takashimizu (KEK) - Performance
• H.Yoshida (Naruto Univ. of Education) - PCs porting and PVM testing at Naruto
• M.Nagamatu (Naruto Univ. of Education) - PCs porting and PVM testing at Naruto
• T.Obana (Naruto Univ. of Education) - PCs porting and PVM testing at Naruto

Parallel Processing

The following people are investigating on the development of a G4 parallel version:

• J.Apostolakis (CERN)
• B.Caron (Alberta Univ., OPAL, ATLAS)
• R.Davis (Alberta Univ., OPAL, ATLAS)
• A.Faust (Alberta Univ., OPAL, ATLAS)
• P.Kayal (Alberta Univ., OPAL, ATLAS)
• J.Pinfold (Alberta Univ., OPAL, ATLAS)
• P.Routenburg (Alberta Univ., OPAL, ATLAS)
• H.Yoshida (Naruto Univ. of Education)
• M.Nagamatu (Naruto Univ. of Education)
• T.Obana (Naruto Univ. of Education)

Geant4 Examples and Tests

• M.Asai (Hiroshima Inst. of Tech.) - Coordinator
• J.Allison (Manchester Univ., BaBar)
• J.Apostolakis (CERN)
• G.Cosmo (SLAC, BaBar)
• A.Dell'Acqua (CERN, ATLAS)
• P.Gumplinger (TRIUMF)
• F.Jones (TRIUMF)
• H.Kurashige (Kyoto Univ.)
• W.Lockman (UCSC, BaBar)
• M.Maire (LAPP, CMS)
• Y.Morita (KEK)
• M.Nagamatu (Naruto Univ. of Education)
• T.Sasaki (KEK)
• M.Verderi (PNHE Ecole Polytechnique, BaBar)
• H.P.Wellisch (CERN, CMS)

Geant4 System Testing Team

• J.Allison (Manchester University, CERN, BaBar) - Coordinator
• F.Behner (EPF Zurich, CMS)
• G.Barrand (LAL, Orsay)
• S.Magni (INFN Milan, Borexino)
• F.Jones (TRIUMF)
• R.Hamatsu (Tokyo Metropolitan University)
• S.Sadilov (IHEP Protvino)

Requirements

The following people have expressed interest in contributing specifically to the setting of the requirements:

• G.Ballocchi (INFN, Padova)
• K.Bos (NIKHEF, ATLAS)
• M.Fuchs (CERN, ALICE)
• M.Kelsey (CalTech)
• M.Nessi (CERN, ATLAS)
• C.Onions (CERN, ATLAS)
• F.Ranjard (CERN, ALEPH)
• K.Safarik (CERN, ALICE)
• L.Silvestris (INFN, ALEPH, CMS)
• M.Storr (CERN)
• A.Trivedi (PHENIX)
• P.Ward (OPAL)

Consultants

The following people act as consultants for different areas of GEANT4:

• P.Arce (Santander, CMS) - Testing
• F.Behner (EPF Zurich, CMS) - Testing
• V.Berejnoi (IHEP Serpukhov, ALICE) - Testing
• K.Braune (LMU Munich, COMPASS) - Testing
• I.Bird (NOMAD, LHC-B) - Advisor for reconstruction
• C.Carloganu (IN2P3, ANTARES) - Muon testing
• S.DeGennaro (CERN) - Advisor for VRML
• D.Duellmann (CERN) - Advisor on OODBMS/persistency and RD45
• S.Egli (DESY, H1) - Advisor for shower parametrisations
• J.Fairclough (Anite Systems - formerly Cray Systems) - ESA PSS-05 Standard
• A.Givernaud (Saclay, CMS) - Physics and data comparisons
• R.Gokieli (INS Warsaw, Delphi, CMS) - (CMS) - Testing
• I.Gonzalez Caballero (CMS) - Testing
• V.Innocente (CERN, CMS) - Advisor on OO methods and OODBMS/persistency
• N.Hoimyr (CERN) - Advisor for STEP and CAD interfaces
• I.Hrivnacova (INP, ALICE, WA98) - Testing
• E.Kajfasz (IN2P3, ANTARES) - Muon testing
• V.Karimaki (CERN, CMS) - CMS SiBT simulation to analysis
• J.Klem (Helsinki Univ., CMS) - CMS SiBT simulation to analysis
• S.Kunori (FNAL, CMS) - Testing
• V.Lefebure (CERN, CMS) - CMS tracking
• S.Paoli (CERN) - System Testing Team
• J.Ranft (LAPP) - Hadronic generators
• F.Riccardi (INRIA) - OO methods and technology
• A.Rosowsky (Saclay, CMS) - CMS Ecal prototype model
• M.Ruggier (CERN) - LIGHT project
• M.Schroder (CERN, CMS, Opal) - CMS Simulation/reconstruction framework
• J.Shiers (CERN) - Advisor on OODBMS/persistency and RD45
• T.Ullrich (Yale University, STAR) - Testing

Thursday 26 November 1998 GF