Re: [fluka-discuss]: Normalization factor in case of MAT-PROP card

From: Alberto Fasso <fasso_at_mail.cern.ch>
Date: Wed, 19 Feb 2014 15:05:25 +0100

Dear Prasanta,

energy deposition and dose equivalent are two very different things,
and there is no reason why they should follow a similar pattern.

Dose equivalent is not "a dose": it is "a fluence" weighted with an
energy-dependent conversion coefficient.

Alberto

On Wed, 19 Feb 2014, P K SAHANI wrote:

> Dear FLUKA users,
>  I am using USRBIN, USRBDX and USRTRACK cards in my simulation. Please find
> the input file in the attached document.
>
> Besides my last query, I want to add up one more issue related to dose and
> dose equivalent scoring. I have generated Energy deposition and dose
> equivalent profile using USRBIN card and AUXSCORE card in my detector. But I
> found that the pattern observed from the both the scoring cards is
> completely different. The USRBIN(EM-ENERGY) card is showing depth dose build
> up pattern as expected because of the incident high energy photon spectrum
> whereas the USRBIN(DOSE-EQ) is showing  a slowly decreasing pattern. I 
> couldn't understand this difference. The input file is attached with this
> mail.
>
> so please guide me.
>
> Best Regards
> Prasanta
>
>
>
>
>
>
> On Mon, Feb 17, 2014 at 8:53 PM, Joachim Vollaire <joachim.vollaire_at_cern.ch>
> wrote:
>
> Hi
>
> Could you tell us which quantity you are scoring ? (an input
> file with the MAT-PROP card setting and the corresponding
> scoring would be helpful in that respect)
>
> Best Regards
>
> Joachim
>
>  
>
>  
>
>  
>
> From: owner-fluka-discuss_at_mi.infn.it
> [mailto:owner-fluka-discuss_at_mi.infn.it] On Behalf Of P K SAHANI
> Sent: 17 February 2014 06:01
> To: fluka-discuss_at_fluka.org
> Subject: [fluka-discuss]: Normalization factor in case of
> MAT-PROP card
>
>  
>
> Dear FLUKA users,
>
>      I am using MAT-PROP card to reduce pressure of the gas (air) in
> simulation. If I want to do normalization of the Fluka results with
> respect to the gas pressure, should I use the simulated pressure (e.g
> 0.1 atm) as the normalization factor or the real pressure (1atm).
>
>  
>
>  Thank you.
>
>  
>
> With best regards
>
> Prasanta Kumar Sahani
>
>
>
>
Received on Wed Feb 19 2014 - 16:40:11 CET