On 04.12.2016 18:26, a.knyziak_at_gum.gov.pl a.knyziak_at_gum.gov.pl wrote:
> Dear FLUKA experts and users,
>
> My name is Adrian and I am beginner in FLUKA. I would like to calculate
> some correction factors for my detector - free air ionization chamber.
> How can I get:
> 1. the energy deposited in a volume by electrons (and their progeny)
> produced in the first interaction with a primary photon;
> 2. the energy deposited in a volume by electrons (and their progeny)
> produced by scattered photons,
> 3. the energy deposited in a volume by electrons (and their progeny)
> produced by fluorescence photons.
>
> I tried with MULSOPT and switched on/off EMFFLUO option but I can not
> get good results.
>
> Thanks for your advance,
>
> Adrian
>
> my input file:
>
> TITLE
> the free-air ionization chamber standard
> * Set the defaults for precision simulations
> DEFAULTS PRECISIO
> * Define the beam characteristics
> BEAM -5E-05 0.904 0.904 PHOTON
> * Define the beam position
> BEAMPOS 0.0 0.0 -100.00
> GEOBEGIN COMBNAME
> 0 0
> * Black body
> SPH blkbody 0.0 0.0 0.0 100000.0
> * Void sphere
> SPH void 0.0 0.0 0.0 10000.0
> RPP frontAl -20.05 20.05 -13.00 13.00 0.00 34.30
> RPP frontAIR -19.05 19.05 -12.00 12.00 0.00 34.30
> RPP elUP -20.05 20.05 12.00 13.00 34.30 44.30
> RPP elDOWN -20.05 20.05 -13.00 -12.00 34.30 44.30
> RPP elLEFT -20.05 -19.05 -12.00 12.00 34.30 44.30
> RPP elRIGHT 19.05 20.05 -12.00 12.00 34.30 44.30
> RPP airLEFT -19.05 -14.05 -12.00 12.00 34.30 44.30
> RPP airRIGHT 14.05 19.05 -12.00 12.00 34.30 44.30
> RPP colREG -14.05 14.05 -12.00 12.00 34.30 44.30
> RPP backAl -20.05 20.05 -13.00 13.00 44.30 78.60
> RPP backAIR -19.05 19.05 -12.00 12.00 44.30 78.60
> END
> * Black hole
> BLKBODY 5 +blkbody -void
> VOID 5 +void -frontAl -elUP -elDOWN -elLEFT -elRIGHT -airLEFT
> -airRIGHT -colREG -backAl
> FRONTAL 5 +frontAl -frontAIR
> FRONTAIR 5 +frontAIR
> ELUP 5 +elUP
> ELDOWN 5 +elDOWN
> ELLEFT 5 +elLEFT
> ELRIGHT 5 +elRIGHT
> AIRLEFT 5 +airLEFT
> AIRRIGHT 5 +airRIGHT
> COLREG 5 +colREG
> BACKAL 5 +backAl -backAIR
> BACKAIR 5 +backAIR
> END
> GEOEND
> * ..+....1....+....2....+....3....+....4....+....5....+....6....+....7..
> ASSIGNMA BLCKHOLE BLKBODY
> ASSIGNMA VACUUM VOID
> ASSIGNMA ALUMINUM FRONTAL
> ASSIGNMA AIR FRONTAIR
> ASSIGNMA ALUMINUM ELUP
> ASSIGNMA ALUMINUM ELDOWN
> ASSIGNMA ALUMINUM ELLEFT
> ASSIGNMA ALUMINUM ELRIGHT
> ASSIGNMA AIR AIRLEFT
> ASSIGNMA AIR AIRRIGHT
> ASSIGNMA AIR COLREG
> ASSIGNMA ALUMINUM BACKAL
> ASSIGNMA AIR BACKAIR
> EMF
> EMFCUT 0.000511 1E-6 FRONTAL BACKAIR 10.
> EMFFLUO 1. ALUMINUM AIR 10.
> EMFRAY 2. FRONTAL BACKAIR 10.
> USRBIN 10. ENERGY -47. 14.05 12.00 44.30SorRegA
> USRBIN -14.05 -12. 34.30 100. 100. 100. &
> USRBIN 10. ENERGY -48. 20.05 13.00 44.30ScorRegB
> USRBIN -20.05 -13.00 34.30 100. 100. 100. &
> AUXSCORE USRBIN ELECTRON SorRegA ScorRegB 10.
> * Set the random number seed
> RANDOMIZ 1.
> * Set the number of primary histories to be simulated in the run
> START 1E6
> STOP
>
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Dear Adrian,
For 1 and 2 you can use COMSCW user routine (chapter 13.2.2 in the
manual), and implement the logic you required.
Best regards,
Mikhail
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Received on Mon Dec 05 2016 - 21:02:11 CET