Re: [fluka-discuss]: Use_of_MULSOPT_EMFFIX

From: Paola Sala <paola.sala_at_mi.infn.it>
Date: Sat, 14 Mar 2020 19:13:52 +0100

Hello
I cannot say if it is the good setting for you -)
What I can say is: if you activate single scattering everywhere (which can
be the good option for you), you do not need to set the emffix. And, in
any case, setting emffix to 0.5% is too small.
Regards
Paola
> Thank you very much. I am working on skin dose measurements for
> Kr-85,Sr-90,Ru-106. Please see attached image. I have set EMFFIX step
> size 0.5%. Also see MULSOPT card parameters. Comment if that is ok for
> my work.
>
>
> Thanks & Regards,
> --
> SOUGATA RAKSHIT / सŒ—त र•षित
> Scientific Officer(D) / वˆœžानि•
> †धि•ार€•(D)
> RSSD / †र स स डि
> Bhabha Atomic Research Centre / भाभा परमान
> …नस‚धान •‡‚दर
> Mumbai-400 085 / म‚बˆ-400 085
> Tel: +91-022-2559 2214/7085 द‚रभाष: +91-022-2559 2214/7085
>
>
>
> On 2020-03-05 20:16, Paola Sala wrote:
>> Hello
>> for electromagnetic particles, low energies, thin layers..
>> you can
>> Reduce the average step size to something like 5% through the EMFFIX
>> card,
>> And activate single scattering through MULSOPT, sdum=GLOBEMF. with this
>> card, sigle scattering can be activated only near to boundaries, or for
>> all transport. steps.
>> Single scattering everywhere is the most precise option, but of course
>> it
>> is very time-consuming.
>> Have a nice day
>> Paola
>>> Dear Fluka experts and users,
>>>
>>> I am trying to evaluate correction factors and effective point of
>>> measurement for beta dose measurement by ionization chambers . For
>>> this I have to measure dose in thin target (tissue, PMMA etc.)
>>> accurately for different beta energies from few keV to 5 MeV.
>>>
>>>
>>> I have set PRECESIO as default and transport cutoff as 1 keV
>>> (lowest).
>>> How shall I use MULSOPT or EMFFIX cards to increase accuracy in this
>>> work. Which one of these two cards are suitable for my problem ?
>>>
>>>
>>>
>>> Regards,
>>> ---------------------------------------
>>> SOUGATA RAKSHIT / स॒ऀ”त
>>> रऀà¥à¤·à¤¿à¤¤
>>> Scientific Officer(D) /
>>> वॆओà¥à¤žà¤¾à¤¨à¤¿à¤€
>>> ऀधिऀारूऀ(D)
>>> RSSD / ऀर à¤à¤¸ à¤à¤¸ डि
>>> Bhabha Atomic Research Centre / भाभा
>>> परमानà¥
>>> ऀनà¥à¤¸à¤€šà¤§à¤¾à¤¨
>>> ऀीऀšà¤¦à¥à¤°
>>> Mumbai-400 085 / मà¥à¤€šà¤¬à¤†-400 085
>>> Tel: +91-022-2559 2214/7085 दीšà¤°à¤­à¤¾à¤·:
>>> +91-022-2559 2214/7085
>>>
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>>
>>
>> Paola Sala
>> INFN Milano
>> tel. Milano +39-0250317374
>> tel. CERN +41-227679148
>>
>> __________________________________________________________________________
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>> https://www.fluka.org/fluka.php?id=acc_info
>
>


Paola Sala
INFN Milano
tel. Milano +39-0250317374
tel. CERN +41-227679148

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Received on Sat Mar 14 2020 - 20:29:25 CET

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