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Forum: Processes Involving Optical Photons
Re: Question Doubts about some parameters in Detector constructiion (OpNovice) (Jaiver Salazar )
Re: Feedback Re: Doubts about some parameters in Detector constructiion (OpNovice) (Gumplinger Peter)
Re: Question Re: Doubts about some parameters in Detector constructiion (OpNovice) (Jaiver Salazar )
Date: 29 Nov, 2017
From: Jaiver Salazar <Jaiver Salazar >

On Wed, 29 Nov 2017 12:32:28 GMT, Jaiver Salazar wrote:
> HI peter,thanks for your prompt response.
>
> I already read about Mie scattering and Henyey&#65533;Greenstein, but i cant understand how do you find the Mie scattering length data, looking in the forum i found a response of Vlasios to you:
> (http://hypernews.slac.stanford.edu/HyperNews/geant4/get/opticalphotons/447.html?inline=-1)
>
> " The way I do it is the following:
> 1. figure out the property of the material.
> 2. go to the web calculation to get the Mie scattering distribution (also probably strength) http://omlc.ogi.edu/calc/mie_calc.html
> 3. Fit the distribution with the approximation H-G (then the parameters coming out the fit are those parameters)
> 4. Put it into GEANT4"
>
> You look like somebody to know about this soo.
> 1.For be precise what is the data from the page to use with the approximation H-G?
> 2.when you use the H-G approximation you do it with paper and pencil(if you do it this way a numerical example would be great) or need additional software to calculate?
>
> Thanks a lot.
>

Ok i read the post again and i think i need to be more precise, the question 1,2 are for the values g_f g_b (that i need help).

I forgot a 3 question
3.┐How do you calculate the Mie scattering length data ?

Sorry for the troubles

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