    energy(eV)      sigma_t(b)
    1.000000e-05    1.191263e+03
    1.103037e-05    1.134275e+03
    1.216691e-05    1.080015e+03
    1.342055e-05    1.028351e+03
    1.480336e-05    9.791611e+02
    1.632865e-05    9.323254e+02
    1.801111e-05    8.877317e+02
    1.986691e-05    8.452729e+02
    2.191394e-05    8.048468e+02
    2.417189e-05    7.663561e+02
    2.666248e-05    7.297083e+02
    2.940971e-05    6.948154e+02
    3.243999e-05    6.615933e+02
    3.578251e-05    6.299622e+02
    3.946943e-05    5.998460e+02
    4.353624e-05    5.711723e+02
    4.802208e-05    5.438721e+02
    5.297013e-05    5.178799e+02
    5.842801e-05    4.931330e+02
    6.444825e-05    4.695720e+02
    7.108881e-05    4.471402e+02
    7.841358e-05    4.257837e+02
    8.649308e-05    4.054511e+02
    9.540506e-05    3.860935e+02
    1.052353e-04    3.676643e+02
    1.160784e-04    3.501194e+02
    1.280388e-04    3.334163e+02
    1.412315e-04    3.175151e+02
    1.557836e-04    3.023774e+02
    1.718351e-04    2.879669e+02
    1.895404e-04    2.742488e+02
    2.090701e-04    2.611902e+02
    2.306120e-04    2.487598e+02
    2.543736e-04    2.369275e+02
    2.805835e-04    2.256650e+02
    3.094939e-04    2.149451e+02
    3.413832e-04    2.047421e+02
    3.765583e-04    1.950315e+02
    4.153577e-04    1.857898e+02
    4.581549e-04    1.769949e+02
    5.053618e-04    1.686256e+02
    5.574328e-04    1.606617e+02
    6.148689e-04    1.530842e+02
    6.782232e-04    1.458747e+02
    7.481052e-04    1.390160e+02
    8.251877e-04    1.324915e+02
    9.102125e-04    1.262855e+02
    1.003998e-03    1.203831e+02
    1.107447e-03    1.147701e+02
    1.221555e-03    1.094330e+02
    1.347420e-03    1.043589e+02
    1.486254e-03    9.953553e+01
    1.639393e-03    9.495136e+01
    1.808311e-03    9.059530e+01
    1.994634e-03    8.645683e+01
    2.215676e-03    8.225192e+01
    2.461091e-03    7.827557e+01
    2.733824e-03    7.451304e+01
    3.036632e-03    7.095735e+01
    3.373145e-03    6.759529e+01
    3.746766e-03    6.442060e+01
    4.161974e-03    6.142142e+01
    4.622969e-03    5.859214e+01
    5.135276e-03    5.592213e+01
    5.704077e-03    5.340633e+01
    6.336190e-03    5.103521e+01
    7.038008e-03    4.880419e+01
    7.817946e-03    4.670473e+01
    8.683888e-03    4.473265e+01
    9.646218e-03    4.288029e+01
    1.079025e-02    4.103160e+01
    1.206996e-02    3.930739e+01
    1.350144e-02    3.770155e+01
    1.510270e-02    3.620823e+01
    1.689386e-02    3.482184e+01
    1.902982e-02    3.346022e+01
    2.143689e-02    3.220646e+01
    2.414725e-02    3.105561e+01
    2.524188e-02    3.065204e+01
    2.530000e-02    3.063146e+01
    2.869982e-02    2.955612e+01
    3.255651e-02    2.857986e+01
    3.719198e-02    2.764949e+01
    4.248537e-02    2.681508e+01
    4.887450e-02    2.603181e+01
    5.662107e-02    2.530539e+01
    6.605495e-02    2.464004e+01
    7.760042e-02    2.403795e+01
    9.180696e-02    2.349938e+01
    1.101467e-01    2.300579e+01
    1.340144e-01    2.256340e+01
    1.665209e-01    2.216359e+01
    2.127812e-01    2.180468e+01
    2.796325e-01    2.149543e+01
    3.832425e-01    2.122767e+01
    5.594349e-01    2.099437e+01
    8.758848e-01    2.080125e+01
    1.502114e+00    2.066302e+01
    3.457067e+00    2.055501e+01
    1.219816e+01    2.047285e+01
    6.718613e+03    1.958033e+01
    1.568082e+04    1.855825e+01
    2.557129e+04    1.755794e+01
    3.680818e+04    1.656236e+01
    4.736545e+04    1.574108e+01
    5.776548e+04    1.501996e+01
    6.731855e+04    1.442509e+01
    8.170095e+04    1.362349e+01
    9.733524e+04    1.286806e+01
    1.131257e+05    1.219914e+01
    1.300000e+05    1.157078e+01
    1.454178e+05    1.107332e+01
    1.634019e+05    1.054536e+01
    1.838271e+05    1.002015e+01
    2.042524e+05    9.557276e+00
    2.246776e+05    9.146062e+00
    2.460917e+05    8.761684e+00
    2.673880e+05    8.418817e+00
    2.920189e+05    8.063577e+00
    3.222573e+05    7.676609e+00
    3.545943e+05    7.316374e+00
    4.028216e+05    6.855373e+00
    4.462076e+05    6.503970e+00
    4.936394e+05    6.169782e+00
    5.577595e+05    5.789475e+00
    6.084649e+05    5.530598e+00
    6.638202e+05    5.283039e+00
    7.148833e+05    5.080105e+00
    7.713116e+05    4.880043e+00
    8.343396e+05    4.680648e+00
    9.181068e+05    4.448555e+00
    1.000000e+06    4.249541e+00
    1.115519e+06    4.009895e+00
    1.216930e+06    3.826632e+00
    1.327640e+06    3.651092e+00
    1.429767e+06    3.506783e+00
    1.542623e+06    3.363954e+00
    1.668679e+06    3.220903e+00
    1.838271e+06    3.051361e+00
    2.000000e+06    2.908425e+00
    2.231038e+06    2.732303e+00
    2.433860e+06    2.596416e+00
    2.636681e+06    2.475343e+00
    2.859533e+06    2.356524e+00
    3.063785e+06    2.258040e+00
    3.290929e+06    2.158667e+00
    3.545943e+06    2.057488e+00
    3.880795e+06    1.939163e+00
    4.200000e+06    1.838249e+00
    4.632449e+06    1.718473e+00
    5.070541e+06    1.612007e+00
    5.476184e+06    1.524133e+00
    5.881828e+06    1.445118e+00
    6.287471e+06    1.373622e+00
    6.693114e+06    1.308579e+00
    7.098757e+06    1.249263e+00
    7.605812e+06    1.181724e+00
    8.112866e+06    1.120690e+00
    8.619920e+06    1.065255e+00
    9.126974e+06    1.014673e+00
    9.634028e+06    9.683340e-01
    1.000000e+07    9.369080e-01
    1.014108e+07    9.257261e-01
    1.028415e+07    9.143885e-01
    1.042925e+07    9.028908e-01
    1.050000e+07    8.972839e-01
    1.064814e+07    8.864186e-01
    1.079836e+07    8.754000e-01
    1.095071e+07    8.642259e-01
    1.100000e+07    8.606105e-01
    1.115519e+07    8.500457e-01
    1.131257e+07    8.393318e-01
    1.147217e+07    8.284668e-01
    1.150000e+07    8.265722e-01
    1.166224e+07    8.162945e-01
    1.182678e+07    8.058718e-01
    1.199363e+07    7.953021e-01
    1.200000e+07    7.948987e-01
    1.216930e+07    7.848955e-01
    1.234099e+07    7.747512e-01
    1.250000e+07    7.653557e-01
    1.267635e+07    7.556153e-01
    1.285519e+07    7.457374e-01
    1.300000e+07    7.377393e-01
    1.318341e+07    7.282502e-01
    1.336940e+07    7.186273e-01
    1.350000e+07    7.118704e-01
    1.369046e+07    7.026222e-01
    1.388361e+07    6.932435e-01
    1.400000e+07    6.875919e-01
    1.419751e+07    6.788367e-01
    1.439782e+07    6.699580e-01
    1.460094e+07    6.609540e-01
    1.480694e+07    6.518230e-01
    1.500000e+07    6.432651e-01
    1.521162e+07    6.349179e-01
    1.542623e+07    6.264529e-01
    1.564387e+07    6.178686e-01
    1.586457e+07    6.091631e-01
    1.600000e+07    6.038214e-01
    1.622573e+07    5.958510e-01
    1.645465e+07    5.877682e-01
    1.668679e+07    5.795714e-01
    1.692221e+07    5.712589e-01
    1.700000e+07    5.685123e-01
    1.723984e+07    5.608903e-01
    1.748306e+07    5.531607e-01
    1.772972e+07    5.453221e-01
    1.797985e+07    5.373729e-01
    1.800000e+07    5.367326e-01
    1.825395e+07    5.294328e-01
    1.851148e+07    5.220301e-01
    1.877264e+07    5.145229e-01
    1.900000e+07    5.079874e-01
    1.926806e+07    5.009859e-01
    1.953989e+07    4.938857e-01
    1.981557e+07    4.866852e-01
    2.000000e+07    4.818679e-01
    2.000000e+07    4.801260e-01
    2.028216e+07    4.729839e-01
    2.056831e+07    4.657410e-01
    2.085849e+07    4.583959e-01
    2.100000e+07    4.548140e-01
    2.129627e+07    4.483938e-01
    2.159672e+07    4.418830e-01
    2.190142e+07    4.352803e-01
    2.200000e+07    4.331440e-01
    2.231038e+07    4.274320e-01
    2.262514e+07    4.216395e-01
    2.294434e+07    4.157652e-01
    2.326804e+07    4.098080e-01
    2.349468e+07    4.056372e-01
    2.382615e+07    4.000818e-01
    2.416229e+07    3.944480e-01
    2.450318e+07    3.887347e-01
    2.484887e+07    3.829409e-01
    2.500000e+07    3.804080e-01
    2.535270e+07    3.749743e-01
    2.571039e+07    3.694639e-01
    2.607311e+07    3.638757e-01
    2.644096e+07    3.582088e-01
    2.649528e+07    3.573718e-01
    2.686908e+07    3.521210e-01
    2.724816e+07    3.467962e-01
    2.763258e+07    3.413962e-01
    2.800000e+07    3.362350e-01
    2.839503e+07    3.311475e-01
    2.879563e+07    3.259882e-01
    2.920189e+07    3.207561e-01
    2.949576e+07    3.169714e-01
    2.991189e+07    3.120615e-01
    3.033390e+07    3.070823e-01
    3.076185e+07    3.020330e-01
    3.098387e+07    2.994135e-01
    3.142099e+07    2.947706e-01
    3.186429e+07    2.900622e-01
    3.231383e+07    2.852874e-01
    3.276972e+07    2.804452e-01
    3.298484e+07    2.781603e-01
    3.345020e+07    2.737444e-01
    3.392212e+07    2.692661e-01
    3.440070e+07    2.647247e-01
    3.488604e+07    2.601192e-01
    3.498571e+07    2.591733e-01
    3.547930e+07    2.549580e-01
    3.597985e+07    2.506832e-01
    3.648746e+07    2.463481e-01
    3.698648e+07    2.420863e-01
    3.750830e+07    2.380689e-01
    3.803747e+07    2.339948e-01
    3.857411e+07    2.298632e-01
    3.898718e+07    2.266830e-01
    3.953722e+07    2.228846e-01
    4.009502e+07    2.190326e-01
    4.066068e+07    2.151263e-01
    4.098780e+07    2.128673e-01
    4.156607e+07    2.092966e-01
    4.215249e+07    2.056755e-01
    4.274719e+07    2.020034e-01
    4.298837e+07    2.005141e-01
    4.359486e+07    1.971683e-01
    4.420990e+07    1.937752e-01
    4.483363e+07    1.903343e-01
    4.498889e+07    1.894778e-01
    4.562360e+07    1.863474e-01
    4.626727e+07    1.831728e-01
    4.692001e+07    1.799535e-01
    4.698936e+07    1.796115e-01
    4.765230e+07    1.766815e-01
    4.832458e+07    1.737102e-01
    4.898979e+07    1.707702e-01
    4.968095e+07    1.680190e-01
    5.038186e+07    1.652290e-01
    5.099020e+07    1.628075e-01
    5.170958e+07    1.602073e-01
    5.243910e+07    1.575705e-01
    5.299057e+07    1.555772e-01
    5.373817e+07    1.531416e-01
    5.449632e+07    1.506717e-01
    5.526516e+07    1.481670e-01
    5.600000e+07    1.457730e-01
    5.679006e+07    1.434450e-01
    5.759126e+07    1.410843e-01
    5.840377e+07    1.386902e-01
    5.899152e+07    1.369583e-01
    5.982379e+07    1.347396e-01
    6.066780e+07    1.324895e-01
    6.152371e+07    1.302078e-01
    6.200000e+07    1.289380e-01
    6.287471e+07    1.268292e-01
    6.376176e+07    1.246907e-01
    6.466132e+07    1.225219e-01
    6.499231e+07    1.217240e-01
    6.590923e+07    1.197305e-01
    6.683909e+07    1.177089e-01
    6.778207e+07    1.156588e-01
    6.800000e+07    1.151850e-01
    6.895936e+07    1.133091e-01
    6.993225e+07    1.114068e-01
    7.091887e+07    1.094776e-01
    7.099296e+07    1.093328e-01
    7.199454e+07    1.075692e-01
    7.301025e+07    1.057807e-01
    7.400000e+07    1.040380e-01
    7.504401e+07    1.023884e-01
    7.610274e+07    1.007155e-01
    7.699351e+07    9.930798e-02
    7.807975e+07    9.778647e-02
    7.918131e+07    9.624349e-02
    8.029842e+07    9.467875e-02
    8.099383e+07    9.370468e-02
    8.213650e+07    9.230381e-02
    8.329530e+07    9.088317e-02
    8.447045e+07    8.944250e-02
    8.499412e+07    8.880050e-02
    8.619323e+07    8.749773e-02
    8.740926e+07    8.617659e-02
    8.864245e+07    8.483680e-02
    8.899438e+07    8.445444e-02
    9.024993e+07    8.323445e-02
    9.152320e+07    8.199725e-02
    9.281442e+07    8.074260e-02
    9.400000e+07    7.959060e-02
    9.532617e+07    7.843555e-02
    9.667105e+07    7.726420e-02
    9.803491e+07    7.607633e-02
    9.899495e+07    7.524017e-02
    1.003916e+08    7.417361e-02
    1.018079e+08    7.309200e-02
    1.024114e+08    7.263118e-02
    1.038562e+08    7.163234e-02
    1.053214e+08    7.061940e-02
    1.068073e+08    6.959216e-02
    1.074099e+08    6.917556e-02
    1.089253e+08    6.822223e-02
    1.104621e+08    6.725546e-02
    1.120205e+08    6.627504e-02
    1.124190e+08    6.602430e-02
    1.140051e+08    6.513233e-02
    1.156135e+08    6.422777e-02
    1.172446e+08    6.331045e-02
    1.188987e+08    6.238018e-02
    1.200000e+08    6.176080e-02
    1.216930e+08    6.105840e-02
    1.234099e+08    6.034608e-02
    1.251509e+08    5.962372e-02
    1.269166e+08    5.889117e-02
    1.274245e+08    5.868046e-02
    1.292222e+08    5.801125e-02
    1.310453e+08    5.733260e-02
    1.328941e+08    5.664437e-02
    1.347690e+08    5.594644e-02
    1.349074e+08    5.589493e-02
    1.368107e+08    5.524555e-02
    1.387408e+08    5.458701e-02
    1.400000e+08    5.415740e-02
    1.419751e+08    5.362575e-02
    1.439782e+08    5.308660e-02
    1.460094e+08    5.253984e-02
    1.480694e+08    5.198537e-02
    1.500000e+08    5.146570e-02
    1.521162e+08    5.095850e-02
    1.542623e+08    5.044415e-02
    1.564387e+08    4.992254e-02
    1.586457e+08    4.939357e-02
    1.600000e+08    4.906900e-02
    1.622573e+08    4.859446e-02
    1.645465e+08    4.811322e-02
    1.668679e+08    4.762519e-02
    1.692221e+08    4.713027e-02
    1.697056e+08    4.702863e-02
    1.720999e+08    4.657382e-02
    1.745279e+08    4.611259e-02
    1.769902e+08    4.564485e-02
    1.794872e+08    4.517052e-02
    1.800000e+08    4.507310e-02
    1.825395e+08    4.468015e-02
    1.851148e+08    4.428165e-02
    1.877264e+08    4.387753e-02
    1.903749e+08    4.346770e-02
    1.930607e+08    4.305210e-02
    1.948007e+08    4.278286e-02
    1.975490e+08    4.239315e-02
    2.000000e+08    4.204560e-02