# IAEA STD 2017, A. Carlson et al
# Nucl.Data Sheets 148(2017) 143
# Standard n_{th} + U-235 PFNS
#   E(eV)      Chi(E)  Unc-Chi(E)
 9.999999-6 2.1499E-12 6.9472E-13
 1.499999-5 2.6331E-12 8.5086E-13
 1.999999-5 3.0405E-12 9.8250E-13
 3.500000-5 4.0222E-12 1.2997E-12
 4.999999-5 4.8075E-12 1.5535E-12
 7.500000-5 5.8880E-12 1.9026E-12
 9.999999-5 6.7989E-12 2.1970E-12
 1.500000-4 8.3269E-12 2.6907E-12
 1.999999-4 9.6151E-12 3.1070E-12
 3.499999-4 1.2719E-11 4.1101E-12
 5.000000-4 1.5203E-11 4.9125E-12
 7.500000-4 1.8619E-11 6.0165E-12
 1.000000-3 2.1499E-11 6.9472E-12
 1.500000-3 2.6331E-11 8.5086E-12
 2.000000-3 3.0405E-11 9.8250E-12
 3.500000-3 4.0222E-11 1.2997E-11
 4.999999-3 4.8075E-11 1.5535E-11
 7.499999-3 5.8880E-11 1.9026E-11
 0.01000000 6.7989E-11 2.1970E-11
 0.01500000 8.3269E-11 2.6907E-11
 0.02000000 9.6151E-11 3.1070E-11
 0.03500000 1.2720E-10 4.1101E-11
 0.05000000 1.5203E-10 4.9125E-11
 0.07500000 1.8619E-10 6.0165E-11
 0.10000000 2.1499E-10 6.9472E-11
 0.15000001 2.6331E-10 8.5086E-11
 0.20000000 3.0405E-10 9.8250E-11
 0.34999999 4.0222E-10 1.2997E-10
 0.50000000 4.8075E-10 1.5535E-10
 0.75000000 5.8880E-10 1.9026E-10
 1.00000000 6.7989E-10 2.1970E-10
 1.50000000 8.3269E-10 2.6907E-10
 2.00000000 9.6151E-10 3.1070E-10
 3.50000000 1.2720E-09 4.1102E-10
 5.00000000 1.5203E-09 4.9126E-10
 7.50000000 1.8619E-09 6.0166E-10
 10.0000000 2.1500E-09 6.9474E-10
 15.0000000 2.6332E-09 8.5088E-10
 20.0000000 3.0405E-09 9.8250E-10
 35.0000000 4.0222E-09 8.3560E-10
 50.0000000 4.8074E-09 9.9873E-10
 75.0000000 5.8877E-09 1.2232E-09
 100.000000 6.7984E-09 1.4124E-09
 150.000000 8.3260E-09 1.7297E-09
 200.000000 9.6137E-09 1.9972E-09
 350.000000 1.2716E-08 2.6418E-09
 500.000000 1.5197E-08 3.1572E-09
 750.000000 1.8609E-08 3.8660E-09
 1000.00000 2.1484E-08 4.4632E-09
 1500.00000 2.6302E-08 5.4642E-09
 2000.00000 3.0360E-08 6.3072E-09
 3500.00000 4.0116E-08 8.3341E-09
 5000.00000 4.7894E-08 9.9499E-09
 7500.00000 5.8547E-08 1.2163E-08
 10000.0000 6.7476E-08 1.4018E-08
 13750.0000 7.8898E-08 5.7751E-09
 17500.0000 8.8757E-08 6.4967E-09
 25000.0000 1.0548E-07 7.7210E-09
 26204.0996 1.0790E-07 7.8976E-09
 26827.6992 1.0913E-07 7.9878E-09
 27466.0996 1.1037E-07 8.0789E-09
 28119.8008 1.1163E-07 8.1710E-09
 28789.0000 1.1290E-07 8.2641E-09
 29474.0996 1.1419E-07 8.3581E-09
 30175.5996 1.1549E-07 8.4531E-09
 30893.6992 1.1680E-07 8.5491E-09
 31628.9004 1.1812E-07 8.6461E-09
 32381.5996 1.1946E-07 8.7440E-09
 33152.3008 1.2081E-07 8.8429E-09
 33941.1992 1.2218E-07 8.9429E-09
 34749.0000 1.2356E-07 9.0440E-09
 35576.0000 1.2495E-07 9.0132E-09
 36422.6016 1.2636E-07 9.1147E-09
 37289.3984 1.2778E-07 9.2173E-09
 38176.8008 1.2922E-07 9.3210E-09
 39085.3984 1.3067E-07 9.4255E-09
 40015.6016 1.3213E-07 9.5313E-09
 40967.8984 1.3361E-07 9.6380E-09
 41942.8008 1.3511E-07 9.7458E-09
 42941.0000 1.3662E-07 9.8547E-09
 43962.8984 1.3814E-07 9.9646E-09
 45009.1992 1.3968E-07 1.0076E-08
 46080.3008 1.4123E-07 1.0188E-08
 47177.0000 1.4280E-07 1.0301E-08
 48299.6992 1.4438E-07 1.0415E-08
 49449.1992 1.4598E-07 1.0530E-08
 50626.0000 1.4760E-07 1.0647E-08
 51830.8008 1.4922E-07 1.0764E-08
 53064.3008 1.5087E-07 1.0882E-08
 54327.1016 1.5252E-07 1.1002E-08
 55620.0000 1.5420E-07 1.0673E-08
 56943.6992 1.5589E-07 1.0790E-08
 58298.8008 1.5759E-07 1.0908E-08
 59686.3008 1.5931E-07 1.1027E-08
 61106.6992 1.6104E-07 1.1147E-08
 62560.8984 1.6279E-07 1.1268E-08
 64049.8008 1.6456E-07 1.1390E-08
 65574.1016 1.6634E-07 1.1513E-08
 67134.6016 1.6814E-07 1.1637E-08
 68732.2891 1.6995E-07 1.1763E-08
 70367.9922 1.7177E-07 1.1889E-08
 72042.7109 1.7361E-07 1.2017E-08
 73757.2031 1.7547E-07 1.2145E-08
 75512.5000 1.7734E-07 1.0873E-08
 77309.6016 1.7923E-07 1.0989E-08
 79149.3984 1.8113E-07 1.1105E-08
 81033.0000 1.8304E-07 1.1223E-08
 82961.5000 1.8497E-07 1.1341E-08
 84935.8125 1.8692E-07 1.1460E-08
 86957.2109 1.8888E-07 1.1580E-08
 89026.5938 1.9086E-07 1.1701E-08
 91145.2969 1.9284E-07 1.1823E-08
 93314.3906 1.9485E-07 1.1946E-08
 95535.2031 1.9687E-07 1.1930E-08
 97808.7031 1.9890E-07 1.2053E-08
 100136.000 2.0094E-07 1.2177E-08
 102520.000 2.0300E-07 1.2302E-08
 104959.000 2.0507E-07 1.2427E-08
 107457.000 2.0716E-07 1.2554E-08
 110014.000 2.0925E-07 1.2681E-08
 112633.000 2.1137E-07 1.2809E-08
 115313.000 2.1349E-07 1.2270E-08
 118057.000 2.1562E-07 1.2393E-08
 120867.000 2.1777E-07 1.2516E-08
 123743.000 2.1993E-07 1.2640E-08
 126688.000 2.2210E-07 1.2765E-08
 129703.000 2.2428E-07 1.2890E-08
 132790.000 2.2647E-07 1.3016E-08
 135950.000 2.2868E-07 1.3143E-08
 139186.000 2.3089E-07 1.3645E-08
 142498.000 2.3311E-07 1.3777E-08
 145889.000 2.3534E-07 1.3908E-08
 149361.000 2.3758E-07 1.4041E-08
 152916.000 2.3982E-07 1.4173E-08
 156555.000 2.4208E-07 1.4307E-08
 160281.000 2.4434E-07 1.4440E-08
 164095.000 2.4661E-07 1.4574E-08
 168000.000 2.4888E-07 1.2981E-08
 171998.000 2.5116E-07 1.3100E-08
 176092.000 2.5345E-07 1.3219E-08
 180282.000 2.5573E-07 1.3338E-08
 184573.000 2.5803E-07 1.3458E-08
 188965.000 2.6032E-07 1.3577E-08
 193462.000 2.6262E-07 1.3697E-08
 198066.000 2.6491E-07 1.2709E-08
 202780.000 2.6721E-07 1.2819E-08
 207606.000 2.6951E-07 1.2929E-08
 212547.000 2.7180E-07 1.3039E-08
 217605.000 2.7410E-07 1.3149E-08
 222784.000 2.7639E-07 1.3259E-08
 228085.000 2.7868E-07 1.2843E-08
 233514.000 2.8096E-07 1.2948E-08
 239071.000 2.8323E-07 1.3053E-08
 244760.000 2.8550E-07 1.3157E-08
 250585.000 2.8776E-07 1.3261E-08
 256549.000 2.9001E-07 1.3365E-08
 262654.000 2.9225E-07 1.2806E-08
 268905.000 2.9448E-07 1.2904E-08
 275304.000 2.9670E-07 1.3001E-08
 281856.000 2.9890E-07 1.3097E-08
 288564.000 3.0108E-07 1.3193E-08
 295431.000 3.0325E-07 1.3288E-08
 302462.000 3.0540E-07 1.3382E-08
 309660.000 3.0753E-07 1.2752E-08
 317030.000 3.0964E-07 1.2840E-08
 324574.000 3.1173E-07 1.2926E-08
 332299.000 3.1379E-07 1.3012E-08
 340207.000 3.1583E-07 1.3096E-08
 348303.000 3.1783E-07 1.3179E-08
 356592.000 3.1981E-07 1.4895E-08
 365079.000 3.2176E-07 1.4985E-08
 373767.000 3.2367E-07 1.5075E-08
 382662.000 3.2555E-07 1.5162E-08
 391769.000 3.2739E-07 1.5248E-08
 401092.000 3.2920E-07 1.5332E-08
 410638.000 3.3096E-07 1.3447E-08
 420410.000 3.3268E-07 1.3517E-08
 430415.000 3.3435E-07 1.3585E-08
 440658.000 3.3598E-07 1.3651E-08
 451145.000 3.3756E-07 1.3715E-08
 461882.000 3.3908E-07 1.3667E-08
 472874.000 3.4056E-07 1.3726E-08
 484127.000 3.4197E-07 1.3783E-08
 495649.000 3.4333E-07 1.3838E-08
 507445.000 3.4463E-07 1.7938E-08
 519521.000 3.4586E-07 1.8002E-08
 531885.000 3.4703E-07 1.8063E-08
 544543.000 3.4813E-07 1.8120E-08
 557502.000 3.4917E-07 1.2788E-08
 570770.000 3.5012E-07 1.2823E-08
 584353.000 3.5101E-07 1.2856E-08
 598260.000 3.5181E-07 1.2885E-08
 612496.875 3.5253E-07 1.2168E-08
 627074.000 3.5317E-07 1.2190E-08
 641996.875 3.5373E-07 1.2209E-08
 657276.000 3.5419E-07 1.3059E-08
 672917.875 3.5457E-07 1.3073E-08
 688932.000 3.5485E-07 1.3083E-08
 705327.000 3.5503E-07 1.2625E-08
 722112.875 3.5512E-07 1.2628E-08
 739298.000 3.5510E-07 1.2628E-08
 756892.000 3.5498E-07 1.4729E-08
 774904.875 3.5475E-07 1.4719E-08
 793347.000 3.5441E-07 1.4705E-08
 812227.125 3.5396E-07 1.1855E-08
 831557.000 3.5340E-07 1.1837E-08
 851346.000 3.5272E-07 1.1814E-08
 871607.000 3.5192E-07 1.6516E-08
 892350.000 3.5100E-07 1.6473E-08
 913586.000 3.4996E-07 1.1982E-08
 935327.875 3.4879E-07 1.1942E-08
 957588.000 3.4749E-07 1.1898E-08
 980377.000 3.4606E-07 1.3822E-08
 1003710.00 3.4451E-07 1.3760E-08
 1027590.00 3.4281E-07 1.3692E-08
 1052050.00 3.4099E-07 1.1064E-08
 1077090.00 3.3903E-07 1.1001E-08
 1102720.00 3.3693E-07 1.0932E-08
 1128960.00 3.3469E-07 1.0860E-08
 1155830.00 3.3231E-07 1.0594E-08
 1183340.00 3.2979E-07 1.0514E-08
 1211500.00 3.2713E-07 1.0429E-08
 1240330.00 3.2433E-07 1.0340E-08
 1269850.00 3.2139E-07 9.0061E-09
 1300070.00 3.1831E-07 8.9197E-09
 1331010.00 3.1508E-07 8.8293E-09
 1362680.00 3.1172E-07 9.1816E-09
 1395110.00 3.0821E-07 9.0784E-09
 1428320.00 3.0457E-07 8.9710E-09
 1462310.00 3.0079E-07 8.7301E-09
 1497110.00 2.9687E-07 8.6163E-09
 1532740.00 2.9281E-07 8.4987E-09
 1569210.00 2.8863E-07 8.2223E-09
 1606560.00 2.8432E-07 8.0994E-09
 1644790.00 2.7987E-07 7.9729E-09
 1683930.00 2.7531E-07 7.7985E-09
 1724010.00 2.7062E-07 7.6658E-09
 1765040.00 2.6582E-07 7.3706E-09
 1807040.00 2.6090E-07 7.2343E-09
 1850050.00 2.5588E-07 7.5662E-09
 1894080.00 2.5075E-07 7.4146E-09
 1939150.00 2.4552E-07 7.2600E-09
 1985300.00 2.4020E-07 6.5746E-09
 2032550.00 2.3480E-07 6.4266E-09
 2080920.00 2.2931E-07 6.2763E-09
 2130440.00 2.2374E-07 6.1240E-09
 2181140.00 2.1811E-07 5.5685E-09
 2233050.00 2.1241E-07 5.4231E-09
 2286190.00 2.0666E-07 5.2763E-09
 2340600.00 2.0087E-07 5.1283E-09
 2396300.00 1.9503E-07 5.0920E-09
 2453330.00 1.8916E-07 4.9387E-09
 2511720.00 1.8327E-07 4.7849E-09
 2571490.00 1.7736E-07 5.2134E-09
 2632690.00 1.7145E-07 5.0396E-09
 2695340.00 1.6553E-07 4.8657E-09
 2759490.00 1.5963E-07 4.7058E-09
 2825160.00 1.5375E-07 4.5324E-09
 2892390.00 1.4789E-07 4.3598E-09
 2961230.00 1.4208E-07 4.1883E-09
 3031700.00 1.3630E-07 3.9875E-09
 3103850.00 1.3059E-07 3.8202E-09
 3177720.00 1.2493E-07 3.6548E-09
 3253340.00 1.1935E-07 3.5506E-09
 3330770.00 1.1384E-07 3.3869E-09
 3410030.00 1.0843E-07 3.2258E-09
 3491190.00 1.0311E-07 3.0675E-09
 3574270.00 9.7892E-08 3.1613E-09
 3659330.00 9.2786E-08 2.9964E-09
 3746420.00 8.7798E-08 2.8354E-09
 3835580.00 8.2933E-08 2.6783E-09
 3926860.00 7.8199E-08 2.4504E-09
 4020310.00 7.3600E-08 2.3063E-09
 4115990.00 6.9143E-08 2.1666E-09
 4213940.00 6.4830E-08 2.1260E-09
 4314230.00 6.0667E-08 1.9895E-09
 4416900.00 5.6656E-08 1.8579E-09
 4522010.00 5.2801E-08 1.8025E-09
 4629630.00 4.9104E-08 1.6763E-09
 4739810.00 4.5566E-08 1.5555E-09
 4852611.00 4.2190E-08 1.4685E-09
 4968090.00 3.8974E-08 1.3565E-09
 5086320.00 3.5919E-08 1.2502E-09
 5207370.00 3.3024E-08 1.2645E-09
 5331300.00 3.0288E-08 1.1598E-09
 5458170.00 2.7709E-08 1.0610E-09
 5588070.00 2.5285E-08 9.6674E-10
 5721060.00 2.3012E-08 8.7983E-10
 5857210.00 2.0887E-08 7.9859E-10
 5996600.00 1.8906E-08 7.2285E-10
 6139310.00 1.7065E-08 7.0638E-10
 6285410.00 1.5359E-08 6.3577E-10
 6435000.00 1.3783E-08 5.7054E-10
 6588140.00 1.2332E-08 5.4627E-10
 6744929.00 1.1000E-08 4.8728E-10
 6905450.00 9.7819E-09 4.3330E-10
 7069780.00 8.6710E-09 4.2319E-10
 7238029.00 7.6616E-09 3.7392E-10
 7410290.00 6.7476E-09 3.2932E-10
 7586639.00 5.9231E-09 2.9657E-10
 7767190.00 5.1819E-09 2.5946E-10
 7952040.00 4.5181E-09 2.2622E-10
 8141279.00 3.9258E-09 2.2453E-10
 8335030.00 3.3995E-09 1.9443E-10
 8533390.00 2.9335E-09 1.6778E-10
 8736471.00 2.5226E-09 1.5808E-10
 8944389.00 2.1617E-09 1.3546E-10
 9157248.00 1.8461E-09 1.7125E-10
 9375177.00 1.5765E-09 1.4625E-10
 9598289.00 1.3425E-09 1.2454E-10
 9826711.00 1.1395E-09 1.0570E-10
 9900000.00 1.0812E-09 1.0029E-10
 10100000.0 9.3669E-10 8.6892E-11
 10300000.0 8.1149E-10 7.5278E-11
 10500000.0 7.0092E-10 6.5020E-11
 10700000.0 6.0541E-10 5.6161E-11
 10900000.0 5.2292E-10 4.8509E-11
 11100000.0 4.5167E-10 4.1899E-11
 11300000.0 3.9013E-10 3.6190E-11
 11500000.0 3.3697E-10 3.1259E-11
 11700000.0 2.9105E-10 2.6999E-11
 11900000.0 2.5139E-10 2.3320E-11
 12100000.0 2.1714E-10 2.0143E-11
 12300000.0 1.8755E-10 1.7398E-11
 12500000.0 1.6200E-10 1.5027E-11
 12700000.0 1.3993E-10 1.2980E-11
 12900000.0 1.2086E-10 1.1211E-11
 13100000.0 1.0439E-10 9.6833E-12
 13200000.0 9.7020E-11 9.0000E-12
 13400000.0 8.3800E-11 7.7737E-12
 13500000.0 7.7882E-11 7.2247E-12
 13700000.0 6.7270E-11 6.2402E-12
 13900000.0 5.8104E-11 5.3900E-12
 14100000.0 5.0186E-11 7.7763E-12
 14200000.0 4.6642E-11 7.2272E-12
 14400000.0 4.0287E-11 6.2424E-12
 14600000.0 3.4798E-11 5.3919E-12
 14950000.0 2.6933E-11 4.1732E-12
 15300000.0 2.0839E-11 3.2290E-12
 15650000.0 1.6129E-11 2.4992E-12
 16000000.0 1.2481E-11 1.9339E-12
 16350000.0 9.6597E-12 1.4968E-12
 16700000.0 7.4747E-12 1.1582E-12
 17050000.0 5.7851E-12 8.9639E-13
 17400000.0 4.4765E-12 6.9362E-13
 17750000.0 3.4646E-12 5.3683E-13
 18100000.0 2.6809E-12 4.1540E-13
 18450000.0 2.0749E-12 3.2150E-13
 18800000.0 1.6056E-12 2.4878E-13
 19150000.0 1.2426E-12 1.9254E-13
 19500000.0 9.6156E-13 1.4899E-13
 19750000.0 8.0070E-13 1.2407E-13
 20000000.0 6.6671E-13 1.0331E-13
 20250000.0 5.5517E-13 2.3555E-13
 20500000.0 4.6226E-13 1.9613E-13
 20750000.0 3.8494E-13 1.6332E-13
 21000000.0 3.2052E-13 1.3599E-13
 21250000.0 2.6690E-13 1.1324E-13
 21500000.0 2.2223E-13 9.4291E-14
 21750000.0 1.8505E-13 7.8517E-14
 22000000.0 1.5408E-13 6.5377E-14
 22250000.0 1.2831E-13 5.4440E-14
 22500000.0 1.0684E-13 4.5329E-14
 22750000.0 8.8966E-14 3.7747E-14
 23000000.0 7.4080E-14 3.1432E-14
 23250000.0 6.1687E-14 2.6173E-14
 23500000.0 5.1364E-14 2.1793E-14
 23750000.0 4.2771E-14 1.8147E-14
 24000000.0 3.5614E-14 1.5111E-14
 24250000.0 2.9656E-14 1.2583E-14
 24500000.0 2.4693E-14 1.0477E-14
 24750000.0 2.0562E-14 8.7243E-15
 25000000.0 1.7121E-14 7.2644E-15
 25250000.0 1.4257E-14 6.0492E-15
 25500000.0 1.1872E-14 5.0370E-15
 25750000.0 9.8855E-15 4.1943E-15
 26000000.0 8.2313E-15 3.4925E-15
 26250000.0 6.8543E-15 2.9082E-15
 26500000.0 5.7073E-15 2.4216E-15
 26750000.0 4.7525E-15 2.0164E-15
 27000000.0 3.9573E-15 1.6790E-15
 27250000.0 3.2952E-15 1.3981E-15
 27500000.0 2.7438E-15 1.1642E-15
 27750000.0 2.2848E-15 9.6940E-16
 28000000.0 1.9024E-15 8.0719E-16
 28250000.0 1.5842E-15 6.7214E-16
 28500000.0 1.3191E-15 5.5966E-16
 28750000.0 1.0984E-15 4.6604E-16
 29000000.0 9.1462E-16 3.8806E-16
 29250000.0 7.6160E-16 3.2314E-16
 29500000.0 6.3416E-16 2.6907E-16
 29750000.0 5.2807E-16 2.2405E-16
 30000000.0 4.3970E-16 1.8656E-16