ESTAR, 8 September 1992.

                                Electrons in  HELIUM                                                                    
 
                              Density, g/cm3     I, eV
                                1.6632E-04        41.8
 
 
 
      ENERGY          STOPPING POWER             CSDA     RADIATION   DENSITY
              COLLISION  RADIATIVE    TOTAL      RANGE      YIELD      EFFECT
                                                                       DELTA
       MeV    MeV cm2/g  MeV cm2/g  MeV cm2/g    g/cm2
      0.0100  2.267E+01  9.885E-04  2.267E+01  2.467E-04  2.412E-05  0.000E+00
      0.0125  1.898E+01  9.941E-04  1.898E+01  3.678E-04  2.890E-05  0.000E+00
      0.0150  1.642E+01  9.995E-04  1.642E+01  5.098E-04  3.352E-05  0.000E+00
      0.0175  1.453E+01  1.005E-03  1.453E+01  6.721E-04  3.802E-05  0.000E+00
      0.0200  1.307E+01  1.010E-03  1.307E+01  8.537E-04  4.242E-05  0.000E+00
      0.0250  1.097E+01  1.020E-03  1.097E+01  1.273E-03  5.096E-05  0.000E+00
      0.0300  9.521E+00  1.029E-03  9.522E+00  1.764E-03  5.923E-05  0.000E+00
      0.0350  8.457E+00  1.039E-03  8.458E+00  2.322E-03  6.727E-05  0.000E+00
      0.0400  7.642E+00  1.048E-03  7.643E+00  2.945E-03  7.510E-05  0.000E+00
      0.0450  6.996E+00  1.057E-03  6.997E+00  3.630E-03  8.277E-05  0.000E+00
      0.0500  6.471E+00  1.066E-03  6.472E+00  4.374E-03  9.029E-05  0.000E+00
      0.0550  6.035E+00  1.075E-03  6.037E+00  5.174E-03  9.766E-05  0.000E+00
      0.0600  5.669E+00  1.084E-03  5.670E+00  6.029E-03  1.049E-04  0.000E+00
      0.0700  5.084E+00  1.101E-03  5.085E+00  7.896E-03  1.191E-04  0.000E+00
      0.0800  4.638E+00  1.119E-03  4.639E+00  9.958E-03  1.328E-04  0.000E+00
      0.0900  4.287E+00  1.138E-03  4.288E+00  1.220E-02  1.462E-04  0.000E+00
      0.1000  4.003E+00  1.157E-03  4.004E+00  1.462E-02  1.593E-04  0.000E+00
      0.1250  3.486E+00  1.207E-03  3.487E+00  2.134E-02  1.910E-04  0.000E+00
      0.1500  3.137E+00  1.260E-03  3.139E+00  2.891E-02  2.215E-04  0.000E+00
      0.1750  2.887E+00  1.316E-03  2.889E+00  3.723E-02  2.511E-04  0.000E+00
      0.2000  2.700E+00  1.375E-03  2.701E+00  4.619E-02  2.800E-04  0.000E+00
      0.2500  2.439E+00  1.499E-03  2.441E+00  6.574E-02  3.363E-04  0.000E+00
      0.3000  2.269E+00  1.632E-03  2.270E+00  8.702E-02  3.914E-04  0.000E+00
      0.3500  2.150E+00  1.774E-03  2.152E+00  1.097E-01  4.457E-04  0.000E+00
      0.4000  2.064E+00  1.924E-03  2.066E+00  1.334E-01  4.997E-04  0.000E+00
      0.4500  2.000E+00  2.081E-03  2.002E+00  1.580E-01  5.536E-04  0.000E+00
      0.5000  1.952E+00  2.245E-03  1.954E+00  1.833E-01  6.076E-04  0.000E+00
      0.5500  1.914E+00  2.416E-03  1.916E+00  2.092E-01  6.619E-04  0.000E+00
      0.6000  1.884E+00  2.592E-03  1.887E+00  2.355E-01  7.165E-04  0.000E+00
      0.7000  1.842E+00  2.961E-03  1.845E+00  2.891E-01  8.269E-04  0.000E+00
      0.8000  1.815E+00  3.350E-03  1.818E+00  3.437E-01  9.389E-04  0.000E+00
      0.9000  1.798E+00  3.757E-03  1.801E+00  3.990E-01  1.053E-03  0.000E+00
      1.0000  1.787E+00  4.180E-03  1.791E+00  4.547E-01  1.168E-03  0.000E+00
      1.2500  1.777E+00  5.306E-03  1.782E+00  5.948E-01  1.465E-03  0.000E+00
      1.5000  1.780E+00  6.515E-03  1.787E+00  7.349E-01  1.773E-03  0.000E+00
      1.7500  1.789E+00  7.793E-03  1.797E+00  8.744E-01  2.089E-03  0.000E+00
      2.0000  1.801E+00  9.132E-03  1.810E+00  1.013E+00  2.414E-03  0.000E+00
      2.5000  1.827E+00  1.196E-02  1.839E+00  1.287E+00  3.085E-03  0.000E+00
      3.0000  1.854E+00  1.495E-02  1.869E+00  1.557E+00  3.779E-03  0.000E+00
      3.5000  1.880E+00  1.809E-02  1.898E+00  1.822E+00  4.491E-03  0.000E+00
      4.0000  1.903E+00  2.134E-02  1.925E+00  2.084E+00  5.218E-03  0.000E+00
      4.5000  1.926E+00  2.469E-02  1.950E+00  2.342E+00  5.957E-03  0.000E+00
      5.0000  1.946E+00  2.813E-02  1.974E+00  2.597E+00  6.707E-03  0.000E+00
      5.5000  1.965E+00  3.165E-02  1.997E+00  2.848E+00  7.465E-03  0.000E+00
      6.0000  1.983E+00  3.523E-02  2.018E+00  3.098E+00  8.231E-03  0.000E+00
      7.0000  2.015E+00  4.260E-02  2.057E+00  3.588E+00  9.781E-03  0.000E+00
      8.0000  2.043E+00  5.018E-02  2.093E+00  4.070E+00  1.135E-02  0.000E+00
      9.0000  2.069E+00  5.793E-02  2.126E+00  4.544E+00  1.293E-02  0.000E+00
     10.0000  2.092E+00  6.584E-02  2.157E+00  5.011E+00  1.453E-02  0.000E+00
     12.5000  2.141E+00  8.617E-02  2.227E+00  6.151E+00  1.855E-02  0.000E+00
     15.0000  2.182E+00  1.071E-01  2.289E+00  7.258E+00  2.258E-02  0.000E+00
     17.5000  2.216E+00  1.286E-01  2.345E+00  8.337E+00  2.662E-02  0.000E+00
     20.0000  2.247E+00  1.505E-01  2.397E+00  9.391E+00  3.064E-02  0.000E+00
     25.0000  2.297E+00  1.952E-01  2.493E+00  1.144E+01  3.863E-02  0.000E+00
     30.0000  2.339E+00  2.410E-01  2.580E+00  1.341E+01  4.651E-02  0.000E+00
     35.0000  2.374E+00  2.875E-01  2.662E+00  1.531E+01  5.426E-02  0.000E+00
     40.0000  2.405E+00  3.346E-01  2.739E+00  1.717E+01  6.187E-02  0.000E+00
     45.0000  2.432E+00  3.822E-01  2.814E+00  1.897E+01  6.933E-02  0.000E+00
     50.0000  2.456E+00  4.303E-01  2.886E+00  2.072E+01  7.665E-02  0.000E+00
     55.0000  2.478E+00  4.786E-01  2.956E+00  2.243E+01  8.382E-02  0.000E+00
     60.0000  2.498E+00  5.272E-01  3.025E+00  2.410E+01  9.085E-02  0.000E+00
     70.0000  2.533E+00  6.252E-01  3.158E+00  2.734E+01  1.045E-01  0.000E+00
     80.0000  2.564E+00  7.239E-01  3.288E+00  3.044E+01  1.176E-01  0.000E+00
     90.0000  2.589E+00  8.231E-01  3.412E+00  3.343E+01  1.301E-01  2.142E-02
    100.0000  2.609E+00  9.229E-01  3.532E+00  3.631E+01  1.423E-01  7.842E-02
    125.0000  2.644E+00  1.174E+00  3.818E+00  4.311E+01  1.708E-01  2.879E-01
    150.0000  2.668E+00  1.427E+00  4.095E+00  4.943E+01  1.970E-01  5.234E-01
    175.0000  2.686E+00  1.681E+00  4.367E+00  5.534E+01  2.213E-01  7.535E-01
    200.0000  2.700E+00  1.937E+00  4.637E+00  6.090E+01  2.439E-01  9.696E-01
    250.0000  2.722E+00  2.451E+00  5.173E+00  7.110E+01  2.844E-01  1.356E+00
    300.0000  2.738E+00  2.967E+00  5.705E+00  8.030E+01  3.200E-01  1.688E+00
    350.0000  2.752E+00  3.486E+00  6.237E+00  8.868E+01  3.514E-01  1.976E+00
    400.0000  2.763E+00  4.006E+00  6.768E+00  9.637E+01  3.794E-01  2.230E+00
    450.0000  2.773E+00  4.527E+00  7.300E+00  1.035E+02  4.047E-01  2.457E+00
    500.0000  2.781E+00  5.049E+00  7.831E+00  1.101E+02  4.275E-01  2.661E+00
    550.0000  2.789E+00  5.573E+00  8.362E+00  1.163E+02  4.482E-01  2.847E+00
    600.0000  2.796E+00  6.097E+00  8.892E+00  1.221E+02  4.672E-01  3.017E+00
    700.0000  2.808E+00  7.147E+00  9.955E+00  1.327E+02  5.008E-01  3.321E+00
    800.0000  2.818E+00  8.199E+00  1.102E+01  1.422E+02  5.297E-01  3.584E+00
    900.0000  2.828E+00  9.253E+00  1.208E+01  1.509E+02  5.547E-01  3.818E+00
   1000.0000  2.836E+00  1.031E+01  1.314E+01  1.588E+02  5.768E-01  4.027E+00