Testing

NERS554 Projcet c CELL CARDS 100 1 -2.635 -10 -40 400 4 -8.65 -10 40 -47 500 6 -9.747 -10 47 600 5 -.998207 -70 thermalized 700 7 -0.001205 -80 15 70 16 800 2 -1.00 10 -14 70 808 8 -11.35 10 14 70 -15 900 0 80 901 5 -0.998207 -16 c END CELL CARDS - BLANK LINE FOLLOWS

imp:N,P=1 imp:N,P=1 imp:N,P=1 imp:N,P=1

$Fe moderator $Thermal filter $Gamma filter $Water hopefully fast are

imp:N,P=1 imp:N,P=1 imp:N,P=1 imp:N,P=0 imp:N,P=1

$Air-filled room $Reflector $Lead Reflector $Outside the room $water phantom

c SURFACE CARDS 10 TRC 0 0 0 50 0 0 30 6 $ 50 cm long Frustrum with its larger 60 cm diameter at the origin and 12 cm diameter at the end 14 RPP -2.5 50 -35 35 -35 35 $ Poly 15 RPP -2.5 50 -40 40 -40 40 $ Lead 16 SX 70 18 $ Head phantom 40 PX 40 $ Moderator Slice 47 PX 42 $ Cadmium 70 RCC -2.5 0 0 2.5 0 0 30 $ Basically a 2.5 cm thicc water tank to thermalize neutrons 80 BOX -10 -60 -60 250 0 0 0 120 0 0 0 120 $ Large Box for the room c END SURFACE CARDS - BLANK LINE FOLLOWS c DATA CARDS MODE N P PRINT 10 40 50 100 110 126 140 NPS 2e5 c VARIANCE REDUCTION c PHYS:P 3j -1 c SOURCE SPECIFICATION SDEF POS=-3 0 0 $DD neutron Beam obviously the energy, direction, and position are adjustable VEC= 1 0 0 DIR= D1 ERG= 2.5 PAR= N SI1 0.9999 1.0 SP1 0 1 c MATERIAL SPECIFICATION M1 26000 1.000 $Fe M2 1001 -0.143716 6000 -0.856284 $POLY M4 48000 -1.000 $Cadmium M5 1001 -0.111894 8016 -0.888106 $Water needs MT MT5 lwtr M6 83209 -1.000 $Bismuth M7 6000 -0.000124 7014 -0.755268 8016 -0.231781 18000 -0.012827 $Air needs MT M8 82000 1 $Lead c TALLY SPECIFICATION F6:N 901 $Dose to water phantom due to neutrons E6 0.000001 0.01 10 F16:P 901 $Dose from photons E16 0.000001 0.01 10 F2:N 16 $Surface fluence at phantom head

E2 0.000001 0.01 10 c F12:N 50 c E12 0.000001 0.01 10 c END OF FILE

$Surface fluence at beam port