[Ifeffit] question concerning Hephaestus

Carlo Segre segre at iit.edu
Tue Apr 17 10:21:07 CDT 2007

Hi Irmi:

The calculation gives the fraction of the incident photons (in percentage) 
which are _absorbed_ in the ionization chamber.  The length of the 
chamber, the gas mixture and the incident energy are the parameters you 
have to put in to the calculation.



On Tue, 17 Apr 2007, I.Reitz wrote:

> Dear list members,
> can you please tell me, what the ion chamber utility calculates. I did
> not understand the perl code.
> Does it give me first the percentage absorbed via Beers law
> und then give me the Nbofphotonsabsorbed, that means the flux absorbed
> in the chamber
> or is the result that gives the program out the "number of transmitted
> photons" after the chamber?
> Thank you
> Irmi

Carlo U. Segre -- Professor of Physics
Associate Dean for Special Projects, Graduate College
Illinois Institute of Technology
Voice: 312.567.3498            Fax: 312.567.3494
segre at iit.edu   http://www.iit.edu/~segre   segre at debian.org

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