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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