================================================================== Calculation using SRIM-2006 SRIM version ---> SRIM-2008.04 Calc. date ---> February 26, 2010 ================================================================== Disk File Name = Air_He_6 Ion = Helium [2] , Mass = 6.01889 amu Density = 1.2484E-03 g/cm3 = 5.0792E+19 atoms/cm3 Target is a GAS ======= Target Composition ======== Atom Atom Atomic Mass Name Numb Percent Percent ---- ---- ------- ------- C 6 000.01 000.01 O 8 023.18 025.05 N 7 075.53 071.47 Ar 18 001.28 003.46 ==================================== Bragg Correction = 0.00% Stopping Units = MeV/(mg/cm2) See bottom of Table for other Stopping units Ion = Helium [2] , Mass = 6.01889 amu Ion dE/dx dE/dx Projected Longitudinal Lateral Energy Elec. Nuclear Range Straggling Straggling ----------- ---------- ---------- ---------- ---------- ---------- 60.00 keV 6.251E-01 2.777E-02 895.53 um 173.70 um 190.12 um 65.00 keV 6.508E-01 2.621E-02 952.11 um 177.95 um 196.96 um 70.00 keV 6.754E-01 2.484E-02 1.01 mm 181.81 um 203.31 um 80.00 keV 7.222E-01 2.252E-02 1.11 mm 188.80 um 214.75 um 90.00 keV 7.661E-01 2.064E-02 1.21 mm 194.74 um 224.81 um 100.00 keV 8.076E-01 1.908E-02 1.31 mm 199.87 um 233.77 um 110.00 keV 8.469E-01 1.775E-02 1.40 mm 204.36 um 241.82 um 120.00 keV 8.844E-01 1.662E-02 1.49 mm 208.33 um 249.11 um 130.00 keV 9.201E-01 1.563E-02 1.57 mm 211.88 um 255.77 um 140.00 keV 9.544E-01 1.477E-02 1.65 mm 215.07 um 261.89 um 150.00 keV 9.872E-01 1.400E-02 1.73 mm 217.97 um 267.54 um 160.00 keV 1.019E+00 1.332E-02 1.81 mm 220.61 um 272.77 um 170.00 keV 1.049E+00 1.271E-02 1.88 mm 223.04 um 277.66 um 180.00 keV 1.078E+00 1.215E-02 1.96 mm 225.27 um 282.22 um 200.00 keV 1.134E+00 1.119E-02 2.10 mm 229.69 um 290.55 um 225.00 keV 1.199E+00 1.020E-02 2.26 mm 234.66 um 299.70 um 250.00 keV 1.259E+00 9.377E-03 2.42 mm 238.94 um 307.75 um 275.00 keV 1.315E+00 8.690E-03 2.58 mm 242.69 um 314.92 um 300.00 keV 1.368E+00 8.105E-03 2.72 mm 246.02 um 321.38 um 325.00 keV 1.418E+00 7.599E-03 2.86 mm 249.00 um 327.24 um 350.00 keV 1.464E+00 7.157E-03 3.00 mm 251.71 um 332.60 um 375.00 keV 1.508E+00 6.768E-03 3.13 mm 254.17 um 337.54 um 400.00 keV 1.549E+00 6.422E-03 3.26 mm 256.44 um 342.12 um 450.00 keV 1.623E+00 5.834E-03 3.51 mm 261.67 um 350.38 um 500.00 keV 1.688E+00 5.351E-03 3.75 mm 266.27 um 357.67 um 550.00 keV 1.744E+00 4.947E-03 3.98 mm 270.39 um 364.22 um 600.00 keV 1.792E+00 4.604E-03 4.21 mm 274.14 um 370.16 um 650.00 keV 1.834E+00 4.309E-03 4.43 mm 277.60 um 375.63 um 700.00 keV 1.868E+00 4.052E-03 4.64 mm 280.82 um 380.69 um 800.00 keV 1.919E+00 3.625E-03 5.06 mm 289.77 um 389.88 um 900.00 keV 1.950E+00 3.285E-03 5.47 mm 297.96 um 398.14 um 1.00 MeV 1.963E+00 3.006E-03 5.88 mm 305.64 um 405.72 um 1.10 MeV 1.963E+00 2.774E-03 6.29 mm 312.98 um 412.81 um 1.20 MeV 1.951E+00 2.578E-03 6.70 mm 320.11 um 419.54 um 1.30 MeV 1.931E+00 2.409E-03 7.11 mm 327.13 um 426.01 um 1.40 MeV 1.905E+00 2.262E-03 7.52 mm 334.10 um 432.28 um 1.50 MeV 1.874E+00 2.133E-03 7.95 mm 341.08 um 438.42 um 1.60 MeV 1.840E+00 2.019E-03 8.38 mm 348.11 um 444.48 um 1.70 MeV 1.804E+00 1.917E-03 8.82 mm 355.22 um 450.48 um 1.80 MeV 1.767E+00 1.826E-03 9.26 mm 362.44 um 456.46 um 2.00 MeV 1.692E+00 1.668E-03 10.19 mm 388.42 um 468.47 um 2.25 MeV 1.601E+00 1.508E-03 11.40 mm 428.43 um 483.74 um 2.50 MeV 1.517E+00 1.377E-03 12.69 mm 468.95 um 499.48 um 2.75 MeV 1.440E+00 1.268E-03 14.04 mm 510.19 um 515.84 um 3.00 MeV 1.370E+00 1.176E-03 15.46 mm 552.23 um 532.93 um 3.25 MeV 1.307E+00 1.098E-03 16.96 mm 595.09 um 550.81 um 3.50 MeV 1.250E+00 1.029E-03 18.52 mm 638.76 um 569.55 um 3.75 MeV 1.199E+00 9.694E-04 20.16 mm 683.21 um 589.17 um 4.00 MeV 1.152E+00 9.164E-04 21.86 mm 728.42 um 609.71 um 4.50 MeV 1.070E+00 8.270E-04 25.46 mm 896.43 um 653.60 um 5.00 MeV 1.001E+00 7.543E-04 29.33 mm 1.06 mm 701.29 um 5.50 MeV 9.406E-01 6.939E-04 33.45 mm 1.22 mm 752.79 um 6.00 MeV 8.882E-01 6.430E-04 37.83 mm 1.37 mm 808.06 um 6.50 MeV 8.420E-01 5.994E-04 42.46 mm 1.53 mm 867.04 um 7.00 MeV 8.008E-01 5.616E-04 47.33 mm 1.68 mm 929.66 um 8.00 MeV 7.304E-01 4.993E-04 57.80 mm 2.26 mm 1.07 mm 9.00 MeV 6.721E-01 4.500E-04 69.22 mm 2.79 mm 1.22 mm 10.00 MeV 6.230E-01 4.100E-04 81.59 mm 3.31 mm 1.38 mm 11.00 MeV 5.809E-01 3.768E-04 94.90 mm 3.82 mm 1.55 mm 12.00 MeV 5.444E-01 3.488E-04 109.13 mm 4.34 mm 1.74 mm 13.00 MeV 5.167E-01 3.249E-04 124.23 mm 4.85 mm 1.94 mm 14.00 MeV 4.893E-01 3.042E-04 140.15 mm 5.37 mm 2.15 mm 15.00 MeV 4.641E-01 2.861E-04 156.95 mm 5.89 mm 2.37 mm 16.00 MeV 4.427E-01 2.701E-04 174.61 mm 6.42 mm 2.61 mm 17.00 MeV 4.234E-01 2.559E-04 193.10 mm 6.96 mm 2.85 mm 18.00 MeV 4.058E-01 2.432E-04 212.41 mm 7.50 mm 3.10 mm 20.00 MeV 3.751E-01 2.214E-04 253.45 mm 9.53 mm 3.64 mm 22.50 MeV 3.433E-01 1.992E-04 309.23 mm 12.43 mm 4.37 mm 25.00 MeV 3.169E-01 1.813E-04 369.92 mm 15.16 mm 5.15 mm 27.50 MeV 2.946E-01 1.665E-04 435.43 mm 17.83 mm 5.99 mm 30.00 MeV 2.755E-01 1.540E-04 505.70 mm 20.48 mm 6.89 mm 32.50 MeV 2.589E-01 1.433E-04 580.65 mm 23.13 mm 7.85 mm 35.00 MeV 2.444E-01 1.340E-04 660.22 mm 25.79 mm 8.86 mm 37.50 MeV 2.316E-01 1.260E-04 744.35 mm 28.48 mm 9.92 mm 40.00 MeV 2.201E-01 1.189E-04 833.00 mm 31.21 mm 11.04 mm 45.00 MeV 2.006E-01 1.069E-04 1.02 m 41.39 mm 13.42 mm 50.00 MeV 1.845E-01 9.719E-05 1.23 m 50.95 mm 16.02 mm 55.00 MeV 1.711E-01 8.917E-05 1.46 m 60.27 mm 18.81 mm 60.00 MeV 1.596E-01 8.242E-05 1.70 m 69.52 mm 21.80 mm 65.00 MeV 1.497E-01 7.666E-05 1.96 m 78.79 mm 24.98 mm 70.00 MeV 1.410E-01 7.169E-05 2.23 m 88.12 mm 28.35 mm 80.00 MeV 1.267E-01 6.351E-05 2.83 m 122.67 mm 35.64 mm 90.00 MeV 1.152E-01 5.707E-05 3.50 m 154.84 mm 43.67 mm 100.00 MeV 1.058E-01 5.186E-05 4.22 m 186.23 mm 52.40 mm 110.00 MeV 9.791E-02 4.755E-05 5.01 m 217.46 mm 61.83 mm 120.00 MeV 9.124E-02 4.393E-05 5.86 m 248.84 mm 71.93 mm 130.00 MeV 8.551E-02 4.084E-05 6.76 m 280.53 mm 82.70 mm 140.00 MeV 8.053E-02 3.817E-05 7.73 m 312.61 mm 94.12 mm 150.00 MeV 7.615E-02 3.584E-05 8.75 m 345.14 mm 106.18 mm 160.00 MeV 7.228E-02 3.379E-05 9.83 m 378.13 mm 118.87 mm 170.00 MeV 6.882E-02 3.197E-05 10.96 m 411.62 mm 132.18 mm 180.00 MeV 6.571E-02 3.035E-05 12.16 m 445.59 mm 146.10 mm 200.00 MeV 6.036E-02 2.756E-05 14.70 m 574.29 mm 175.75 mm 225.00 MeV 5.490E-02 2.474E-05 18.18 m 758.21 mm 216.09 mm 250.00 MeV 5.045E-02 2.247E-05 21.98 m 931.85 mm 259.96 mm 275.00 MeV 4.676E-02 2.059E-05 26.10 m 1.10 m 307.25 mm 300.00 MeV 4.364E-02 1.901E-05 30.53 m 1.27 m 357.85 mm 325.00 MeV 4.096E-02 1.766E-05 35.27 m 1.44 m 411.68 mm 350.00 MeV 3.864E-02 1.650E-05 40.30 m 1.61 m 468.63 mm 375.00 MeV 3.661E-02 1.549E-05 45.62 m 1.78 m 528.62 mm 400.00 MeV 3.482E-02 1.459E-05 51.23 m 1.95 m 591.58 mm 450.00 MeV 3.179E-02 1.310E-05 63.27 m 2.59 m 726.13 mm 500.00 MeV 2.933E-02 1.189E-05 76.38 m 3.20 m 871.67 mm 550.00 MeV 2.729E-02 1.089E-05 90.54 m 3.78 m 1.03 m 600.00 MeV 2.558E-02 1.005E-05 105.69 m 4.35 m 1.19 m 650.00 MeV 2.411E-02 9.332E-06 121.81 m 4.92 m 1.37 m 700.00 MeV 2.284E-02 8.715E-06 138.88 m 5.49 m 1.55 m 800.00 MeV 2.076E-02 7.704E-06 175.65 m 7.58 m 1.95 m 900.00 MeV 1.912E-02 6.910E-06 215.86 m 9.49 m 2.38 m 1.00 GeV 1.779E-02 6.268E-06 259.28 m 11.32 m 2.83 m 1.10 GeV 1.670E-02 5.739E-06 305.74 m 13.11 m 3.32 m 1.20 GeV 1.578E-02 5.295E-06 355.07 m 14.87 m 3.82 m 1.30 GeV 1.500E-02 4.916E-06 407.12 m 16.61 m 4.35 m 1.40 GeV 1.433E-02 4.590E-06 461.73 m 18.34 m 4.91 m 1.50 GeV 1.375E-02 4.306E-06 518.79 m 20.06 m 5.48 m 1.60 GeV 1.323E-02 4.056E-06 578.17 m 21.77 m 6.07 m 1.70 GeV 1.278E-02 3.834E-06 639.74 m 23.47 m 6.67 m 1.80 GeV 1.238E-02 3.636E-06 703.41 m 25.16 m 7.29 m 2.00 GeV 1.169E-02 3.297E-06 836.55 m 31.48 m 8.58 m 2.25 GeV 1.101E-02 2.955E-06 1.01 km 40.23 m 10.25 m 2.50 GeV 1.047E-02 2.679E-06 1.20 km 48.16 m 11.98 m 2.75 GeV 1.002E-02 2.452E-06 1.40 km 55.59 m 13.76 m 3.00 GeV 9.658E-03 2.261E-06 1.60 km 62.65 m 15.58 m 3.25 GeV 9.353E-03 2.099E-06 1.81 km 69.44 m 17.43 m 3.50 GeV 9.094E-03 1.959E-06 2.03 km 75.98 m 19.30 m 3.75 GeV 8.873E-03 1.837E-06 2.25 km 82.32 m 21.20 m 4.00 GeV 8.683E-03 1.730E-06 2.48 km 88.48 m 23.10 m 4.50 GeV 8.374E-03 1.550E-06 2.95 km 110.74 m 26.93 m 5.00 GeV 8.136E-03 1.405E-06 3.43 km 130.38 m 30.77 m 5.50 GeV 7.950E-03 1.285E-06 3.93 km 148.28 m 34.59 m 6.00 GeV 7.803E-03 1.185E-06 4.44 km 164.89 m 38.39 m 6.50 GeV 7.685E-03 1.100E-06 4.96 km 180.48 m 42.15 m 7.00 GeV 7.590E-03 1.026E-06 5.48 km 195.21 m 45.86 m 8.00 GeV 7.451E-03 9.055E-07 6.54 km 246.72 m 53.14 m 9.00 GeV 7.360E-03 8.111E-07 7.63 km 290.43 m 60.19 m 10.00 GeV 7.300E-03 7.349E-07 8.72 km 329.12 m 67.02 m 11.00 GeV 7.263E-03 6.722E-07 9.82 km 364.16 m 73.62 m 12.00 GeV 7.242E-03 6.195E-07 10.92 km 396.36 m 80.00 m ----------------------------------------------------------- Multiply Stopping by for Stopping Units ------------------- ------------------ 1.2484E-02 eV/Angstrom 1.2484E-01 keV/micron 1.2484E-01 MeV/mm 1.0000E+00 keV/(ug/cm2) 1.0000E+00 MeV/(mg/cm2) 1.0000E+03 keV/(mg/cm2) 2.4578E+01 eV/(1E15 atoms/cm2) 1.5798E+00 L.S.S. reduced units ================================================================== (C) 1984,1989,1992,1998,2006 by J.P. Biersack and J.F. Ziegler