Jul Geant4 North American Medical Users Organization J. Perl Geant4 North American Medical Users Organization - G4NAMU Bring this community together to share issues and advice, to develop regional collaboration and to communicate as a group to the Geant4 developers. Bring this community together to share issues and advice, to develop regional collaboration and to communicate as a group to the Geant4 developers. Current membership includes 93 members from 43 institutions throughout Canada and the United States Current membership includes 93 members from 43 institutions throughout Canada and the United States Launched in May of 2005 to provide a meeting place for the rapidly growing Geant4 medical user community of North America

Jul Geant4 North American Medical Users Organization J. Perl Membership G4NAMU's current membership includes 93 members from 43 institutions throughout Canada and the United States. Current subscribers to the mailing list (page 1 of 5): SLAC: Joseph Perl, Makoto Asai, Jeremy McCormick, Dennis Wright,Jane Tinslay SLAC: Joseph Perl, Makoto Asai, Jeremy McCormick, Dennis Wright,Jane Tinslay Harvard & Mass General: Harald Paganetti, Xing-Qi Lu, Christina Jarlskog, Joao Seco Harvard & Mass General: Harald Paganetti, Xing-Qi Lu, Christina Jarlskog, Joao Seco UCSF: Bruce Faddegon, Inder Daftari UCSF: Bruce Faddegon, Inder Daftari ULaval: Louis Archambault, Luc Beaulieu, Vincent Hubert Tremblay, Hossein Afsharpour ULaval: Louis Archambault, Luc Beaulieu, Vincent Hubert Tremblay, Hossein Afsharpour CHUQ: Luc Gingras CHUQ: Luc Gingras UPenn: Steven Avery, Dickson Goulart, Jim McDonough UPenn: Steven Avery, Dickson Goulart, Jim McDonough Stanford: Lei Xing Stanford: Lei Xing Louisiana State University: Blair Smith Louisiana State University: Blair Smith Fox Chase: Charlie Ma, Jiajin Fan, Jinsheng Li Fox Chase: Charlie Ma, Jiajin Fan, Jinsheng Li (continued on next slide…) (continued on next slide…)

Jul Geant4 North American Medical Users Organization J. Perl Membership (continued) Current subscribers to the mailing list (continued): McGill: Emily Poon, Frank Verhaegen, Jan Seuntjens, Brigitte Reniers McGill: Emily Poon, Frank Verhaegen, Jan Seuntjens, Brigitte Reniers Triumf: Peter Gumplinger, Frederick Jones Triumf: Peter Gumplinger, Frederick Jones Memorial Sloan-Kettering: C. Ross Schmidtlein, Assen Kirov, Sadek Nehmeh, Christopher Danford Memorial Sloan-Kettering: C. Ross Schmidtlein, Assen Kirov, Sadek Nehmeh, Christopher Danford Johns Hopkins: Ben Tsui, Jingyan Xu, Eric Frey, Mikhail Shilov, Yong Du Johns Hopkins: Ben Tsui, Jingyan Xu, Eric Frey, Mikhail Shilov, Yong Du University of Arkansas: Xuejun Weng, Yulong Yan University of Arkansas: Xuejun Weng, Yulong Yan Jefferson Lab: Paul Gueye, Stan Majewski, Mark Smith, David Hamlette, Michael Epps, Marion MacCormic, Nnenna Onumah, Nanda Karthik, Yuriy Prilepskiy Jefferson Lab: Paul Gueye, Stan Majewski, Mark Smith, David Hamlette, Michael Epps, Marion MacCormic, Nnenna Onumah, Nanda Karthik, Yuriy Prilepskiy Advanced Laser Light Source: Jean-Claude Kieffer, Jean-Philippe Moreau Advanced Laser Light Source: Jean-Claude Kieffer, Jean-Philippe Moreau University of Wisconsin – Madison: Hazim A Jaradat University of Wisconsin – Madison: Hazim A Jaradat INRS: François Vidal, Sylvain Fourmaux, Ludovic Lecherbourg, Rémy Toth INRS: François Vidal, Sylvain Fourmaux, Ludovic Lecherbourg, Rémy Toth Université de Sherbrooke: Daniel Houde Université de Sherbrooke: Daniel Houde (continued on next slide…) (continued on next slide…)

Jul Geant4 North American Medical Users Organization J. Perl Membership (continued) Current subscribers to the mailing list (continued): University of Alberta: Robert Fedosejev, Craig Unick University of Alberta: Robert Fedosejev, Craig Unick Walter Reed Army Medical Center: Dan Fry, Kevin Kramer Walter Reed Army Medical Center: Dan Fry, Kevin Kramer Texas A&M: Xudong Wang Texas A&M: Xudong Wang University of Washington: Ruth Schmitz University of Washington: Ruth Schmitz University of Minnesota: Lihong Qin University of Minnesota: Lihong Qin Xoft Inc.: Steve Axelrod Xoft Inc.: Steve Axelrod Rensselaer Polytechnic: Bryan Bednarz, Valery Taranenko Rensselaer Polytechnic: Bryan Bednarz, Valery Taranenko Emory University: Ioannis Sechopoulos Emory University: Ioannis Sechopoulos University of Arizona: Don Wilson University of Arizona: Don Wilson EXELAR Medical Corp & Rush University: Gocha Khelashvili EXELAR Medical Corp & Rush University: Gocha Khelashvili University of Florida: Yuxin Feng University of Florida: Yuxin Feng (continued on next slide…) (continued on next slide…)

Jul Geant4 North American Medical Users Organization J. Perl Membership (continued) Current subscribers to the mailing list (continued): Idaho State University: Eddie Tatar Idaho State University: Eddie Tatar IN2P3: Sebastien Incerti IN2P3: Sebastien Incerti UC Santa Cruz: Hartmut Sadrozinski UC Santa Cruz: Hartmut Sadrozinski UT MD Anderson Cancer Center: Xiaoning Ding, Jerimy Polf, James Yang, Steve Peterson UT MD Anderson Cancer Center: Xiaoning Ding, Jerimy Polf, James Yang, Steve Peterson McMaster University: Victor Kreft McMaster University: Victor Kreft Mayo Clinic: Oleksandr Dzyubak, Xin Liu Mayo Clinic: Oleksandr Dzyubak, Xin Liu University of Montreal: Jean-François Carrier, Philippe Després University of Montreal: Jean-François Carrier, Philippe Després Vanderbilt University: Jonathan Rogers, David J. Ernst Vanderbilt University: Jonathan Rogers, David J. Ernst Universidad Nacional de Colombia: Luz Stella Veloza Salcedo Universidad Nacional de Colombia: Luz Stella Veloza Salcedo ESA, ESTEC: Petteri Nieminen ESA, ESTEC: Petteri Nieminen University of Kentucky: Dharmin Desai University of Kentucky: Dharmin Desai (continued on next slide…) (continued on next slide…)

Jul Geant4 North American Medical Users Organization J. Perl Membership (continued) Current subscribers to the mailing list (continued): Oklahoma Health Sciences Center: Yong Chen, Salahuddin Ahmad Oklahoma Health Sciences Center: Yong Chen, Salahuddin Ahmad University of Virginia: Stanley Benedict University of Virginia: Stanley Benedict

Jul Geant4 North American Medical Users Organization J. Perl G4NAMU within the World Geant4 Collaboration Of course all Geant4 users are part of a world wide community. Of course all Geant4 users are part of a world wide community. Medical Applications forum and other user forums are available for discussion and exchange, as well as other Geant4 workshops and meetings. Medical Applications forum and other user forums are available for discussion and exchange, as well as other Geant4 workshops and meetings. But regional efforts also have a role. But regional efforts also have a role. In Europe, many efforts have been organized, particularly through Maria Grazia Pia of INFN In Europe, many efforts have been organized, particularly through Maria Grazia Pia of INFN In Japan, many efforts has been organized through Takashi Sasaki of KEK (I’ll show some slides from them in a moment) In Japan, many efforts has been organized through Takashi Sasaki of KEK (I’ll show some slides from them in a moment) In North America, there is G4NAMU In North America, there is G4NAMU

Jul Geant4 North American Medical Users Organization J. Perl G4NAMU as Regional Voice G4NAMU can serve as voice of the North American Geant4 Medical User community G4NAMU can serve as voice of the North American Geant4 Medical User community Organize regional workshops or tutorials Organize regional workshops or tutorials Foster nearby collaborations Foster nearby collaborations Speak with a collective voice to regional funding agencies Speak with a collective voice to regional funding agencies Meet regional certification needs Meet regional certification needs The American Nuclear Society (ANS) recognized the formation of a Computational Medical Physics Working Group (CMPWG). CMPWG is hosted by two divisions of ANS - Mathematics and Computations (M&C), Biology and Medicine (BMD). The American Nuclear Society (ANS) recognized the formation of a Computational Medical Physics Working Group (CMPWG). CMPWG is hosted by two divisions of ANS - Mathematics and Computations (M&C), Biology and Medicine (BMD). CMPWG has become involved in benchmarking codes for Medical Physics applications. First example, Proton Therapy, has been developed. CMPWG has become involved in benchmarking codes for Medical Physics applications. First example, Proton Therapy, has been developed.

Jul Geant4 North American Medical Users Organization J. Perl How Does G4NAMU Work We've agreed to use a mailing list. We've agreed to use a mailing list. The list is lightly moderated just to maintain focus and prevent spam. The list is lightly moderated just to maintain focus and prevent spam. To join the list, send mail to To join the list, send mail to We have periodic meetings and try, as we have today, to take advantage of existing meetings. We have periodic meetings and try, as we have today, to take advantage of existing meetings. Provide workshops or tutorials Provide workshops or tutorials Develop additional Geant4 examples Develop additional Geant4 examples Certify certain parts of the code for use in our communities Certify certain parts of the code for use in our communities Collect requirements for Geant4 developers Collect requirements for Geant4 developers G4NAMU is your organization G4NAMU is your organization Decide what you want to do with it Decide what you want to do with it Feel free to post to the mailing list Feel free to post to the mailing list

Jul Geant4 North American Medical Users Organization J. Perl G4NAMU Tonight The main point of meeting tonight is so that we find out who else is here at AAPM who might want to discuss Geant4 with us, accordingly, The main point of meeting tonight is so that we find out who else is here at AAPM who might want to discuss Geant4 with us, accordingly, Let’s go around the room and introduce ourselves, Let’s go around the room and introduce ourselves, name name institution institution general area of interest general area of interest

Jul Geant4 North American Medical Users Organization J. Perl Rest of Today’s Agenda I’ll talk a little about new developments in Geant4 I’ll talk a little about new developments in Geant4 After that I’ll turn over the floor to others to show some results or talk about their ongoing efforts After that I’ll turn over the floor to others to show some results or talk about their ongoing efforts I’ll show a few slides contributed by colleagues in Japan and at Jefferson Lab so you’ll know about relevant efforts there I’ll show a few slides contributed by colleagues in Japan and at Jefferson Lab so you’ll know about relevant efforts there And then we’ll have an hour to show each other some results and have some general discussion about what this community wants from Geant4, etc. And then we’ll have an hour to show each other some results and have some general discussion about what this community wants from Geant4, etc.