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Geant4 Software Download

Geant4 9.5
released 20 March 2012 (patch-01)

The Geant4 source code is freely available. See the licence conditions.

Please read the Release Notes before downloading or using this release.
The patch below contains bug fixes to release 9.5, we suggest you to download and apply the latest patch for release 9.5 (see the additional notes for patch-01), or download the complete source with the patch applied; in any case, it is required to apply a full rebuild of the libraries.

Source files (including patch-01)

Please choose the archive best suited to your system and archiving tool:

	GNU or Linux tar format, compressed using gzip ( 27Mbytes, 28466803 bytes ). After downloading, gunzip, then unpack using GNU tar.
	ZIP format ( 39Mbytes, 40947778 bytes ). After downloading, unpack using e.g. WinZip.

Data files (*)

For specific, optional physics processes some of the following files are required. The file format is compatible with Unix, GNU, and Windows utilities.

	Neutron data files with thermal cross sections - version 4.0 ( 381Mbytes, 400001140 bytes )
	Neutron data files without thermal cross sections - version 0.2 ( 12Mbytes, 12465281 bytes )
	Data files for low energy electromagnetic processes - version 6.23 ( 15Mbytes, 15960390 bytes )
	Data files for photon evaporation - version 2.2 ( 7.3Mbytes, 7704178 bytes )
	Data files for radioactive decay hadronic processes - version 3.4 ( 716Kbytes, 732861 bytes )
	Data files for nuclear shell effects in INCL/ABLA hadronic model - version 3.0 ( 54Kbytes, 54909 bytes )
	Data files for evaluated neutron cross sections on natural composition of elements - version 1.1 ( 1.2Mbytes, 1247160 bytes )
	Data files for shell ionisation cross sections - version 1.3 ( 4.1Mbytes, 4293607 bytes )
	Data files for measured optical surface reflectance - version 1.0 ( 1.2Mbytes, 1257863 bytes )

Pre-compiled Libraries

These are compiled with Geant4 default settings and optimization turned on. Please choose according to your system/compiler:

	compiled using gcc 4.1.2 on Scientific Linux CERN 5 (SLC5, based on Redhat Linux Enterprise 5), 64 bits - ( 16Mbytes, 16760186 bytes )
	compiled using gcc 4.2.1 on Mac (MacOSX 10.7), 64 bits - ( 14Mbytes, 14362334 bytes )
	compiled using VC++ 10.0 on Windows 7, 32 bits, zip file - ( 23Mbytes, 24514825 bytes )
	compiled using VC++ 10.0 on Windows 7, 32 bits, executable installer - ( 17Mbytes, 17868367 bytes )

These libraries are built using the embedded CLHEP classes, based on CLHEP version 2.1.1.0. Please refer to the Release Notes for details.

Patches for release 9.5 of GEANT4

To install the patch, the archive should be unpacked in the Geant4 installation area where the directory geant4.9.5 is placed, and kernel libraries must be recompiled from scratch.
For instructions on how to unpack, see the notes above for the original source code.

Patch-01 (20 March 2012) for Geant4 9.5 contains a collection of various corrections, see the description before downloading the patch itself in the correct format:

	GNU or Linux tar format, compressed using gzip ( 3.4Mbytes, 3551414 bytes ).
	ZIP format ( 3.7Mbytes, 3855192 bytes ).