Crude model of HLNC2 based on p499 of PANDA Manual
c   Cells
c   sample volume
100 94 -2.5 -100 imp:n=1
c   Cavity
1   0 -1 100 imp:n=1
c   Bottom end plug poly
2   1 -0.96 -2 3  imp:n=1
c   Bottom end plug Al
3   13 -2.7 -3  imp:n=1
c   Bottom end plug Cd
4   48 -8.64 -4 2 imp:n=1 
c   Top end plug poly
5   1 -0.96 -5 6  imp:n=1
c   Top end plug Al
6   13 -2.7 -6 imp:n=1
c   Top end plug Cd
7   48 -8.64 -7 5 6  imp:n=1
c   Cd liner
8   48 -8.64 -11 1 4 7 imp:n=1
c   Poly moderator with external cutouts and holes for #He tubes
9   1 -0.96 (-8  : -9  : -10 ) 11 12 #11 #12 #13 #14 #15 #16 #17 #18
                               #19 #20 #21 #21 #22 #23 #24 #25 #26 #27 imp:n=1
c   18 3He detectors 4 atm 3He only (no walls, air gap, top & bottom end spaces)
10  3  -4.99e-4 -12  imp:n=1
11  Like 10 but TRCL=(-0.730     4.138  0 )
12  Like 10 but TRCL=(-2.831     7.778  0 )
13  Like 10 but TRCL=(-6.050    10.479  0 )
14  Like 10 but TRCL=(-9.999    11.916  0 )
15  Like 10 but TRCL=(-14.201   11.916  0 )
16  Like 10 but TRCL=(-18.150   10.479  0 )
17  Like 10 but TRCL=(-21.369    7.778  0 )
18  Like 10 but TRCL=(-23.470    4.138  0 )
19  Like 10 but TRCL=(-24.200    0.000  0 )
20  Like 10 but TRCL=(-23.470   -4.138  0 )
21  Like 10 but TRCL=(-21.369   -7.778  0 )
22  Like 10 but TRCL=(-18.150  -10.479  0 )
23  Like 10 but TRCL=(-14.201  -11.916  0 )
24  Like 10 but TRCL=(-9.999   -11.916  0 )
25  Like 10 but TRCL=(-6.050   -10.479  0 )
26  Like 10 but TRCL=(-2.831    -7.778  0 )
27  Like 10 but TRCL=(-0.730    -4.138  0 )
c   Outside vacuum
110  0  -999 8 9 10 imp:n=1
c   Exterior world
120  0 999 imp:n=0

c   surfaces
1   rcc 0    0 -20.3412 0 0 40.6824 8.75   $ cavity
2   rcc 0    0 -28.8    0 0 8.3     8.75   $ Bottom end plug poly
3   rcc 0    0 -26.7    0 0 6.2     6.75   $ Bottom end plug Al
4   rcc 0    0 -28.8    0 0 8.4588  8.75   $ Bottom end plug Cd
5   rcc 0    0  20.5    0 0 8.3     8.75   $ Top end plug poly
6   rcc 0    0  20.5    0 0 6.2     6.75   $ Top end plug Al
7   rcc 0    0  20.3412 0 0 8.4588  8.75   $ Top end plug Cd
8   rcc 0    0 -28.8    0 0 16.8    16.9   $ bottom poly moderator
9   rcc 0    0 -12.     0 0 24      15     $ middle poly moderator  
10  rcc 0    0  12      0 0 16.8    16.9   $ top poly moderator
11  rcc 0    0 -28.8    0 0 57.6    8.9088 $ Cd liner
12  rcc 12.1 0 -25.4    0 0 50.8    1.27   $ 3He tube
100 rcc 0    0 -10      0 0 20      5      $ Sample volume
999 rcc 0    0 -30      0 0 60      20

c   Materials
c   poly density 0.96 g/cm3
m1  1001 2 6012 1
mt1  poly.10T  $ specification of thermal S(a,b) scattering
c   Al
m13 13027 1
c   Cd
m48 48000 1
c 3He
m3  2003. 1
c plutonium oxide
m94  94240 0.2 94239 0.8 8016 2.0  
phys:n   25 25 0 J J J 0 30 J J J 0 0 
fmult    94239 method=5 data=3 shift=1 $ method=LLNL data=Ens. shift=MCNPX
fmult    94240 method=5 data=3 shift=1 $ 
c   spontaneous fission source in sample volume
c   Source nuclide is chosen from possible spontaneous fission nuclides present
sdef par=sf  ext=d1 axs = 0 0 1 rad=d2
si1   -10 10
sp1    0   1
si2    0   5
sp2   -21 1
c
c    sdef par=n  ext=d1 axs = 0 0 1 rad=d2 erg=d3
c    si1   -10 10
c    sp1    0   1
c    si2    0   5
c    sp2   -21 1
c energy cards for (alpha,n) source on Oxygen
c    si3 h 0.00E+00 2.00E-01 4.00E-01 6.00E-01 8.00E-01
c          1.00E+00 1.20E+00 1.40E+00 1.60E+00 1.80E+00
c          2.00E+00 2.20E+00 2.40E+00 2.60E+00 2.80E+00
c          3.00E+00 3.20E+00 3.40E+00 3.60E+00 3.80E+00
c          4.00E+00 4.20E+00 4.40E+00 4.60E+00 4.80E+00
c          5.00E+00 5.20E+00 5.40E+00 5.60E+00 5.80E+00
c          6.00E+00 6.20E+00 6.40E+00 6.60E+00 6.80E+00
c          7.00E+00 7.20E+00 7.40E+00 7.60E+00 7.80E+00
c          8.00E+00 8.20E+00 8.40E+00 8.60E+00 8.80E+00
c          9.00E+00 9.20E+00 9.40E+00 9.60E+00 9.80E+00
c          1.00E+01 1.02E+01 1.04E+01 1.06E+01 1.08E+01
c          1.10E+01 1.12E+01
c    sc3   PuO2 source (a,n) only
c    sp3 d 0.00E+00 1.40E-02 2.02E-02 1.93E-02 1.67E-02
c          1.89E-02 2.52E-02 3.42E-02 4.54E-02 5.84E-02
c          7.62E-02 9.14E-02 1.05E-01 1.06E-01 9.80E-02
c          8.36E-02 6.64E-02 5.08E-02 3.39E-02 1.88E-02
c          9.46E-03 3.63E-03 1.39E-03 9.54E-04 7.04E-04
c          5.53E-04 3.74E-04 2.08E-04 3.57E-05 3.40E-06
c          3.57E-08 0.00E+00 0.00E+00 0.00E+00 0.00E+00
c          0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00
c          0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00
c          0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00
c          0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00
c          0.00E+00 0.00E+00 
c tallies (sum of all 3He detectors)
c
c He-3 Interactions
fc4 He-3 interactions from track length tally
f4:n (10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27)
fm4  -1.0 3 103 $integral of flux*(n,p)reaction of material 3 * 1.0 *atom density
sd4   1 $ divide by 1 instead of cell volume to get total reaction rate
t4   450 6850 20e8 T  $ time bins to give the coincidence gate fraction
c
c Coincidence tallies based on capture in 3He
c
fc8 Ungated Coincidence tally 
f8:n (10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27)
ft8  cap 2003
c
fc18 Gated Coincidence tally 
f18:n (10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27)
ft18  cap 2003 gate 450 6400 $ 1us=10 shakes --> 4.5 us predelay and 64 us gate
c
FC108 Full gate to compare moments with ungated F8
F108:n (10 16I 27)
FT108   CAP  2003 gate 0 1e20
c
FC116  Energy deposition tally to demonstrate FT118 CAP EDEP
F116:n (10 16I 27)
c
FC118  Energy deposition capture tally
F118:n  (10 16I 27)
FT118   CAP  EDEP 116 .5
print -30 -50 -70 -140 -162
nps 1e6
