Geant4 is developed and maintained by the international collaboration. This account is managed by the KEK Geant4 team. Any questions should go our User Forum!
Tsukuba, Japan
Joined January 2010
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We welcome your question at our User Forum.
geant4-forum.web.cern.ch/
We will NOT answer any questions personally.
The 31st Geant4 Collaboration Meeting kicks off today in Bordeaux, France (Oct 5–9, 2026)! Collaborators from around the world are gathering to discuss the latest updates and future roadmaps hosted by LP2i. indico.in2p3.fr/event/39528/
#Geant4
The new public release of Geant4, Geant4 11.4, is available.
For details of this release, please see the release notes at:
cern.ch/geant4-data/ReleaseN…
The source code is available from the Geant4 web site download area:
cern.ch/geant4/download
The 30th Geant4 Collaboration Meeting is taking place at Stony Brook University. The agenda and slides will be available to the public after the meeting finishes.
indico.cern.ch/event/1554191…
Opening position: A 2-year postdoctoral fellowship in Bordeaux at LP2i (lp2ib.in2p3.fr - a CNRS & Bordeaux U. public research laboratory) fully dedicated to Geant4-DNA (development, applications), with a flexible work plan.
emploi.cnrs.fr/Offres/CDD/UM…
A new patch release 11.3.2 of Geant4 is now available and can be
downloaded from the Geant4 web site:
cern.ch/geant4/support/downl…
This patch collects a set of bug fixes introduced since release 11.3.1 of last March.
According to Scopus, the number of citations for our first paper has exceeded 20,000. scopus.com/record/display.ur…
The 29th Geant4 Collaboration Meeting has started in Catania. This is the third Collaboration Meeting after 2004 and 2009. About 70 collaborators from different parts of the world came together.
We're so happy to announce that Alberto Ribon, CERN, has been elected as the new spokesperson of the Geant4 collaboration! Congratulations, Alberto! He'll be taking over from Marc Verderi soon. Thanks, Marc, for your outstanding dedication to Geant4.
Some people use the word "Geant4" in a different context from ours on X(Twiter). They look to have no interest in particle physics, at least.
Geant4 retweeted
The Galileo Galilei Award 2023 in Medical Physics 🔗efomp.org/index.php?r=news/v…👏Congratulations to the authors of the paper “Prediction of DNA rejoining kinetics and cell survival after proton irradiation for V79 cells using Geant4-DNA”📝Physica Medica, 2023🔗doi.org/10.1016/j.ejmp.2022.…
This year, cherry blossoms are delayed blooming, unfortunately.
weathernews-jp.translate.goo…
We are on the 2nd day of The 5th Geant4 International User Conference at the Physics - Medicine - Biology frontier, Osaka University
indico.rcnp.osaka-u.ac.jp/ev…
Geant4 retweeted
.@Geant4 2003 NIMA manual
"GEANT4--a simulation toolkit"
inspirehep.net/literature/59…
reaches 18,000 citations.
#topcites #SoftwareCitation @ElsevierPhysics
Geant4 11.2 has been released last week. Please check the details on the following web page.
cern.ch/geant4-data/ReleaseN…
This is a regular minor release of Geant4 at the of the year.
Happy holidays and happy new year!
