From: Lucia Sarchiapone <>
Date: Thu, 26 Mar 2009 16:55:33 +0100 (CET)

Your card combination is correct,
so if you use the surface of the boundary between "LeadTarg" and
"Outervac" as normalization factor you will get pSv/GeV/sr per primary


On Mar 24, 2009 03:59 PM, "Burge, F (Frances)"
<> wrote:

> Dear Fluka users,
> I would like to use the USRYIELD card together with AUXSCORE to
> convert a photon fluence yield to dose equivalent around a lead
> target.
> So I have set up the following cards in my input file:
> USRYIELD 124 DOSE-EQ -24 LeadTarg Outervac 1.0 Flu_dos1
> USRYIELD 180. 0. 180. 3. 0. 6. &
> My first USRYIELD variable is lab polar angle in degrees, from 0 -
> 180,
> the second is particle energy with a single bin. I want to score dose
> equivalent in each of the angular bins if that is possible. The target
> is simply a ZCC, and the primary beam is travelling along the z axis.
> The quantity scored in USRYIELD is a double differential fluence
> yield,
> which if I was just scoring photons (rather than dose-eq) would be
> [photons/GeV/sr/cos theta].
> Now I guess what I get from the above cards is something like [pSv.cm2
> /GeV/sr] because of the folding of the dose coefficients with the
> fluence scoring.
> So the question is: If I normalise to the surface area of the lead
> target, will I be scoring the correct dose angular distribution in
> pSv/GeV/sr ? Or is the above combination of cards meaningless ?
> thanks for any suggestions,
> Frances
> Frances Burge
> Health Physicist
> 01235 778269
> Diamond Light Source Ltd.
> Harwell Science and Innovation Campus
> Didcot
> Oxfordshire
> OX11 0DE
> This e-mail and any attachments may contain confidential, copyright
> and or privileged material, and are for the use of the intended
> addressee only. If you are not the intended addressee or an authorised
> recipient of the addressee please notify us of receipt by returning
> the e-mail and do not use, copy, retain, distribute or disclose the
> information in or attached to the e-mail.
> Any opinions expressed within this e-mail are those of the individual
> and not necessarily of Diamond Light Source Ltd.
> Diamond Light Source Ltd. cannot guarantee that this e-mail or any
> attachments are free from viruses and we cannot accept liability for
> any damage which you may sustain as a result of software viruses which
> may be transmitted in or with the message.
> Diamond Light Source Limited (company no. 4375679). Registered in
> England and Wales with its registered office at Diamond House, Harwell
> Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, United
> Kingdom
Received on Thu Mar 26 2009 - 17:27:19 CET

This archive was generated by hypermail 2.2.0 : Thu Mar 26 2009 - 17:27:20 CET