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A host of nucleonic instruments are used in the process control industry. These include density gauges, nucleonic belt scales, point and continuous level gauges, blocked chute detectors, backscatter gauges, moisture indicators, thickness gauges, crack and defect detectors, etc. These instruments are often based on very simple models of particle transport, which leads to instrument error characteristics which are poorly understood. This forum is for Geant4 users who aim to elucidate and improve the behaviour of such instruments with the aid of Geant4.

The email gateway for this forum is: IndusInstruments-g4hn@slac.stanford.edu


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More FISSION CHAMBER  Keywords: fission chmaber
by mehdi <mehdi>,   02 May, 2007

hi i need a simulated file with GEANT4 for fission chamber. any one can give it to me? regards

None FIB Simulation  Keywords: FIB
by Rakesh Mote <mote@pmail.ntu.edu.sg>,   30 Nov, 2006

Can Geant4 be used to simulate Focused Ion Beam (FIB)?? any reference??

None Re: FIB Simulation  Keywords: FIB
by Dennis H. Wright <Dennis H. Wright>,   20 Feb, 2007
Re: None FIB Simulation (Rakesh Mote)
I don't know of any references, but in principle Geant4 can model
beam focussing.   Some people at Fermilab have developed simulation
beam tools which may be of use.
None Untitled  Keywords: FIB simulation
by Rakesh Mote <mote@pmail.ntu.edu.sg>,   30 Nov, 2006

Any case study/ paper on user of Geant4 for Focused ion beam (FIB) simulation??

Question Geant4 useful for chemical reactions?  Keywords: chemical reactions
by <machado@soton.ac.uk>,   20 Oct, 2006

Hi

Does anybody know whether or not Geant4 has been used or is useful for any kind of chemical reactions (e.g. combustion but not constrained to, etc) problems?

Thanks

Question Energy distribution of alphas through a finite layer from an infinitely thick source  Keywords: alpha particles, finite layer, infinitely thick source, energy distribution
by Jennifer Foster <Jfoster@clemson.edu>,   25 Jan, 2006

I need to model the distribution of the energy deposited from alpha particles through a finite thickness(ZnS scintillation layer). The source of the alpha particles is an infinitely thick liquid. I don't know much about Geant4 and I was wondering if anyone could confirm that this task could be completed using this program. Any help would be greatly appreciated. I'm a student!

None Re: Energy distribution of alphas through a finite layer from an infinitely thick source  Keywords: alpha particles, finite layer, infinitely thick source, energy distribution
by Makoto Asai <Makoto Asai>,   19 May, 2006
Re: Question Energy distribution of alphas through a finite layer from an infinitely thick source (Jennifer Foster)
 Geant4 cannot deal with "infinite" volume, but I presume you 
could be tolerable with a reasonablly large volume.

 In your primary generator action, for each event you should 
pick a position randomly within the liquid volume as the primary 
vertex of the alpha particle. You may want to check if the alpha
particle is actually pointing to the scintillator to avoid events
which have no interaction with it. To do so, please refer to this.
http://geant4-hn.slac.stanford.edu:5090/HyperNews/public/get/geometry/550.html
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