Re: [fluka-discuss]: Problems about using USRBIN to score the energy deposited

From: George Kharashvili <>
Date: Sun, 1 Apr 2018 15:12:46 -0400 (EDT)

Hi Wei,

The results from USRBIN are normalised per unit volume and per unit primary weight, except region binnings and special user-defined binnings, which are normalised per unit primary weight only. You are actually getting the same result from both detectors, the only difference is the units: Region binning gives you energy deposited and X-Y-Z binning gives you energy deposited per cm^3.


----- Original Message -----
From: "魏朔阳" <>
To: "FLUKA Discussion List" <>
Sent: Sunday, April 1, 2018 10:19:56 AM
Subject: [fluka-discuss]: Problems about using USRBIN to score the energy deposited

Dear FLUKA experts and users,

I have been simulating photons incident on a diamond detector and using USRBIN card to obtain the energy deposited in the detector. But when I used region mesh in USRBIN to score, the result gotten is two times of order smaller than I expected. Afterwards I tried Cartesian mesh to score, the result is much more reliable. I checked the geometry in input file and read the manual, still cannot understand why these two ways led to different results. Could anyone help me to point out what's wrong with my input file? Thanks! Attachments are the relevant files.

Best regards!


Shuoyang Wei 
Department of Engineering Physics, Tsinghua University
Tel: (+86)13121985856
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Received on Sun Apr 01 2018 - 22:22:35 CEST

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