[fluka-discuss]: EMFIX_STEPSIZE_for_electron_dose_thinslab

From: Sougata <sougata_at_barc.gov.in>
Date: Wed, 18 Sep 2019 11:09:22 +0530

Dear Fluka users,

I am trying to evaluate dose from electron beam in tissue. Energy of
electron is 100 keV to 2 MeV for different cases. For this I am taking
thin slab of thickness 0.004 cm (TISSUEIC material) which is surrounding
by similar material. I have set transport/production cutoff at lowest
available. I am scoring energy deposition. Fluka default is set at
PRECESSION. My queries are as following

1. Is there any requirement to apply EFMIX and/or STEPSIZE for this case
as I am scoring energy deposition in thin slab? If yes how to optimize.
Because I observed variation of ~20% by applying maximum STEPSIZE of
0.0001 cm for the present input (FILE ATTACHED). Please elaborate.

2. What other precaution should I take for dosimetry at low energy
electron for example around 100 keV ?

SOUGATA RAKSHIT / सौगत रक्षित
Scientific Officer(D) / वैज्ञानिक आधिकारीक(D)
RSSD / आर एस एस डि
Bhabha Atomic Research Centre / भाभा परमानु अनुसंधान केंद्र
Mumbai-400 085 / मुंबई-400 085
Tel: +91-022-2559 2214/ दूरभाष: +91-022-2559 2214

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Received on Wed Sep 18 2019 - 08:33:32 CEST

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