Re:An energy interval problem

From: <turgaykorkut_at_hotmail.com>
Date: Sat, 8 Aug 2009 12:23:55 +0000

Hi Mr.Paola SALA
 
My input file is follow.My problem:I have obtained the same transmission values for different photon energies.(for example 1173 keV with 1212.9 keV)
 
Best regards...
 
TITLE
 
Simulation for photon transmission
 
BEAM -.001173 PHOTON
 
BEAMPOS 0.0 0.0 -20.0
 
GEOBEGIN COMBNAME
 
    0 0 Bench test geometry
 
RPP B1 -10000.0 10000.0 -10000.0 10000.0 -10000.0 10000.0
 
RPP B2 -10.0 10.0 -10.0 10.0 -20.0 20.0
 
XYP B3 -5.0
 
XYP B4 0.0
 
END
 
R1 5 +B1 -B2
 
* vacuum before
 
R2 5 +B2 +B3
 
* @ 20-25 cm (1st region)
 
R3 5 +B2 +B4 -B3
 
* vacuum after
 
R4 5 +B2 -B4
 
END
 
GEOEND
 
MATERIAL 5.0 10.811 2.34 26.0 BORON
 
MATERIAL 1.73 BORAX
 
COMPOUND -.228501 SODİUM -.214920 BORON -.556578 OXYGENBORAX
 
ASSIGNMA BLCKHOLE R1
 
ASSIGNMA VACUUM R2
 
ASSIGNMA BORAX R3
 
ASSIGNMA VACUUM R4
 
DEFAULTS PRECISIO
 
SCORE PHOTON ALL-PART EM-ENRGY ENERGY
 
* neutron fluence spectrum in each boundary crossings
 
USRBDX 101.0 BEAMPART -51. R3 R4 100.Nrtrn34
 
USRBDX 100.0 0.0&
 
RANDOMIZ 1.
 
START 100000. 99999999. 60.0 0.0 100.0
 
STOP
 
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Received on Sat Aug 08 2009 - 15:25:56 CEST

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