Z=18 Atomic Mass : MA = 39.948 Table I. Discrete oscillator strength, fn, for the ns, nd, nd, ns' and nd' series. Energy fn lambda(A) 1.1624E+01 5.8000E-02 1.0666E+03 1.4092E+01 2.6000E-02 8.7984E+02 1.4857E+01 1.4000E-02 8.3449E+02 1.5159E+01 1.3900E-02 8.1787E+02 1.5506E+01 2.1100E-02 7.9957E+02 1.3606E+01 1.1000E-03 9.1127E+02 1.4717E+01 1.9000E-03 8.4248E+02 1.5170E+01 4.1000E-03 8.1728E+02 1.5530E+01 6.2000E-03 7.9835E+02 1.4153E+01 9.0000E-02 8.7604E+02 1.4857E+01 4.8000E-02 8.3452E+02 1.5188E+01 4.2600E-02 8.1635E+02 1.5526E+01 5.7400E-02 7.9854E+02 1.5852E+01 3.3500E-02 7.8214E+02 1.1828E+01 2.2140E-01 1.0482E+03 1.4257E+01 1.2000E-02 8.6963E+02 1.5025E+01 2.2100E-02 8.2518E+02 1.5572E+01 6.9000E-03 7.9621E+02 1.4304E+01 1.0600E-01 8.6676E+02 1.4984E+01 2.0900E-02 8.2744E+02 1.5610E+01 5.6200E-02 7.9424E+02 Table II. Discrete oscillator strength, fn, for resonance transitions; between 26.6 eV and 29.2 eV and at 3203.3 eV. Energy fn lambda(A) 2.6614E+01 -3.2800E-02 4.6586E+02 2.7996E+01 -1.0000E-02 4.4286E+02 2.8509E+01 -4.4000E-03 4.3489E+02 2.8756E+01 -2.3400E-03 4.3116E+02 2.8896E+01 -1.4500E-03 4.2907E+02 2.8928E+01 -1.0900E-03 4.2860E+02 2.9100E+01 -3.0000E-03 4.2606E+02 3.2033E+03 2.2000E-03 3.8705E+00 Table III. Oscillator-strength density,df/dE, photoabsorption cross section, sigma_a, and mass absorption coefficient, mu_m Energy fn(eV-1) sigma_a(Mb) mu_m(cm2 g-1) lambda(A) 1.5937E+01 2.9639E-01 3.2532E+01 4.9042E+05 7.7796E+02 1.7500E+01 3.0499E-01 3.3476E+01 5.0465E+05 7.0848E+02 2.0000E+01 3.3510E-01 3.6781E+01 5.5447E+05 6.1992E+02 2.2500E+01 3.3351E-01 3.6606E+01 5.5184E+05 5.5104E+02 2.5000E+01 3.0809E-01 3.3816E+01 5.0978E+05 4.9594E+02 2.7500E+01 2.7241E-01 2.9900E+01 4.5074E+05 4.5085E+02 3.0000E+01 1.9282E-01 2.1164E+01 3.1904E+05 4.1328E+02 3.5000E+01 8.0918E-02 8.8816E+00 1.3389E+05 3.5424E+02 4.0000E+01 2.7595E-02 3.0288E+00 4.5659E+04 3.0996E+02 4.5000E+01 8.0771E-03 8.8655E-01 1.3365E+04 2.7552E+02 4.8000E+01 4.6325E-03 5.0847E-01 7.6651E+03 2.5830E+02 5.0000E+01 6.6325E-03 7.2799E-01 1.0974E+04 2.4797E+02 6.0000E+01 9.9343E-03 1.0904E+00 1.6438E+04 2.0664E+02 7.0000E+01 1.2284E-02 1.3483E+00 2.0326E+04 1.7712E+02 8.0000E+01 1.2924E-02 1.4185E+00 2.1384E+04 1.5498E+02 9.0000E+01 1.2344E-02 1.3549E+00 2.0426E+04 1.3776E+02 1.0000E+02 1.1673E-02 1.2812E+00 1.9314E+04 1.2398E+02 1.2500E+02 9.4569E-03 1.0380E+00 1.5648E+04 9.9187E+01 1.5000E+02 7.3391E-03 8.0555E-01 1.2144E+04 8.2656E+01 1.7500E+02 5.6827E-03 6.2374E-01 9.4028E+03 7.0848E+01 2.0000E+02 4.4518E-03 4.8864E-01 7.3662E+03 6.1992E+01 2.2500E+02 3.5426E-03 3.8883E-01 5.8617E+03 5.5104E+01 2.4300E+02 3.7402E-03 4.1053E-01 6.1887E+03 5.1022E+01 2.4400E+02 5.1967E-03 5.7040E-01 8.5987E+03 5.0813E+01 2.4450E+02 7.6333E-03 8.3784E-01 1.2630E+04 5.0709E+01 2.4500E+02 6.9590E-03 7.6382E-01 1.1515E+04 5.0606E+01 2.4550E+02 5.3316E-03 5.8520E-01 8.8219E+03 5.0503E+01 2.4600E+02 5.4755E-03 6.0099E-01 9.0599E+03 5.0400E+01 2.4650E+02 9.4315E-03 1.0352E+00 1.5606E+04 5.0298E+01 2.4700E+02 1.4520E-02 1.5938E+00 2.4026E+04 5.0196E+01 2.4750E+02 1.6525E-02 1.8138E+00 2.7343E+04 5.0095E+01 2.4800E+02 1.7982E-02 1.9737E+00 2.9753E+04 4.9994E+01 2.4850E+02 2.0679E-02 2.2698E+00 3.4216E+04 4.9893E+01 2.4900E+02 2.4186E-02 2.6546E+00 4.0018E+04 4.9793E+01 2.4950E+02 2.8142E-02 3.0888E+00 4.6564E+04 4.9693E+01 2.5000E+02 3.0749E-02 3.3750E+00 5.0878E+04 4.9594E+01 2.5050E+02 3.2277E-02 3.5428E+00 5.3407E+04 4.9495E+01 2.5100E+02 3.3896E-02 3.7204E+00 5.6085E+04 4.9396E+01 2.5150E+02 3.4705E-02 3.8092E+00 5.7424E+04 4.9298E+01 2.5200E+02 3.5424E-02 3.8882E+00 5.8614E+04 4.9200E+01 2.5250E+02 3.5424E-02 3.8882E+00 5.8614E+04 4.9103E+01 2.5300E+02 3.5694E-02 3.9178E+00 5.9061E+04 4.9006E+01 2.5350E+02 3.9774E-02 4.3657E+00 6.5812E+04 4.8909E+01 2.5400E+02 3.9471E-02 4.3323E+00 6.5310E+04 4.8813E+01 2.5450E+02 3.9370E-02 4.3212E+00 6.5142E+04 4.8717E+01 2.5500E+02 3.8560E-02 4.2324E+00 6.3803E+04 4.8621E+01 2.5550E+02 3.8256E-02 4.1990E+00 6.3300E+04 4.8526E+01 2.5600E+02 3.8054E-02 4.1768E+00 6.2965E+04 4.8431E+01 2.5650E+02 3.7345E-02 4.0991E+00 6.1793E+04 4.8337E+01 2.5700E+02 3.6941E-02 4.0546E+00 6.1123E+04 4.8243E+01 2.5750E+02 3.6738E-02 4.0324E+00 6.0788E+04 4.8149E+01 2.5800E+02 3.6232E-02 3.9769E+00 5.9951E+04 4.8056E+01 2.5850E+02 3.6131E-02 3.9658E+00 5.9784E+04 4.7963E+01 2.5900E+02 3.5928E-02 3.9435E+00 5.9449E+04 4.7870E+01 2.5950E+02 3.5220E-02 3.8658E+00 5.8277E+04 4.7778E+01 2.6000E+02 3.5321E-02 3.8769E+00 5.8444E+04 4.7686E+01 2.6050E+02 3.4714E-02 3.8102E+00 5.7439E+04 4.7595E+01 2.6100E+02 3.4410E-02 3.7769E+00 5.6937E+04 4.7504E+01 2.6150E+02 3.4815E-02 3.8213E+00 5.7607E+04 4.7413E+01 2.6200E+02 3.4309E-02 3.7658E+00 5.6769E+04 4.7322E+01 2.6250E+02 3.4208E-02 3.7547E+00 5.6602E+04 4.7232E+01 2.6300E+02 3.4006E-02 3.7325E+00 5.6267E+04 4.7142E+01 2.6350E+02 3.3904E-02 3.7214E+00 5.6100E+04 4.7053E+01 2.6400E+02 2.4696E-02 2.7106E+00 4.0863E+04 4.6964E+01 2.6450E+02 2.4549E-02 2.6945E+00 4.0619E+04 4.6875E+01 2.6500E+02 2.4696E-02 2.7106E+00 4.0863E+04 4.6786E+01 2.6550E+02 2.4549E-02 2.6945E+00 4.0619E+04 4.6698E+01 2.6600E+02 2.4549E-02 2.6945E+00 4.0619E+04 4.6611E+01 2.6650E+02 2.4622E-02 2.7026E+00 4.0741E+04 4.6523E+01 2.6700E+02 2.4622E-02 2.7026E+00 4.0741E+04 4.6436E+01 2.6750E+02 2.4696E-02 2.7106E+00 4.0863E+04 4.6349E+01 2.6800E+02 2.4549E-02 2.6945E+00 4.0619E+04 4.6263E+01 2.6850E+02 2.4475E-02 2.6864E+00 4.0498E+04 4.6177E+01 2.6900E+02 2.4034E-02 2.6380E+00 3.9768E+04 4.6091E+01 2.6950E+02 2.3667E-02 2.5977E+00 3.9160E+04 4.6005E+01 2.7000E+02 2.3446E-02 2.5735E+00 3.8795E+04 4.5920E+01 2.7050E+02 2.3079E-02 2.5332E+00 3.8187E+04 4.5835E+01 2.7100E+02 3.0800E-02 3.3806E+00 5.0963E+04 4.5751E+01 2.7150E+02 3.0700E-02 3.3697E+00 5.0797E+04 4.5666E+01 2.7200E+02 3.0700E-02 3.3697E+00 5.0797E+04 4.5582E+01 2.7250E+02 3.0400E-02 3.3367E+00 5.0301E+04 4.5499E+01 2.7300E+02 3.0300E-02 3.3258E+00 5.0136E+04 4.5415E+01 2.7350E+02 3.0200E-02 3.3148E+00 4.9970E+04 4.5332E+01 2.7400E+02 3.0200E-02 3.3148E+00 4.9970E+04 4.5250E+01 2.7450E+02 3.0100E-02 3.3038E+00 4.9805E+04 4.5167E+01 2.7500E+02 2.9900E-02 3.2819E+00 4.9474E+04 4.5085E+01 2.7550E+02 2.9600E-02 3.2489E+00 4.8977E+04 4.5003E+01 2.7600E+02 2.9700E-02 3.2599E+00 4.9143E+04 4.4922E+01 2.7650E+02 2.9600E-02 3.2489E+00 4.8977E+04 4.4841E+01 2.7700E+02 2.9600E-02 3.2489E+00 4.8977E+04 4.4760E+01 2.7750E+02 2.9100E-02 3.1940E+00 4.8150E+04 4.4679E+01 2.7800E+02 2.9200E-02 3.2050E+00 4.8316E+04 4.4599E+01 2.7850E+02 2.9100E-02 3.1940E+00 4.8150E+04 4.4519E+01 2.7900E+02 2.9000E-02 3.1831E+00 4.7985E+04 4.4439E+01 2.7950E+02 2.9200E-02 3.2050E+00 4.8316E+04 4.4359E+01 2.8000E+02 2.8900E-02 3.1721E+00 4.7819E+04 4.4280E+01 2.8100E+02 2.8800E-02 3.1611E+00 4.7654E+04 4.4122E+01 2.8200E+02 2.8700E-02 3.1501E+00 4.7488E+04 4.3966E+01 2.8300E+02 2.8500E-02 3.1282E+00 4.7157E+04 4.3811E+01 2.8400E+02 2.8700E-02 3.1501E+00 4.7488E+04 4.3656E+01 2.8500E+02 2.8400E-02 3.1172E+00 4.6992E+04 4.3503E+01 2.8600E+02 2.8500E-02 3.1282E+00 4.7157E+04 4.3351E+01 2.8700E+02 2.8300E-02 3.1062E+00 4.6826E+04 4.3200E+01 2.8800E+02 2.8300E-02 3.1062E+00 4.6826E+04 4.3050E+01 2.8900E+02 2.8300E-02 3.1062E+00 4.6826E+04 4.2901E+01 2.9000E+02 2.8100E-02 3.0843E+00 4.6495E+04 4.2753E+01 2.9100E+02 2.7900E-02 3.0623E+00 4.6164E+04 4.2606E+01 2.9200E+02 2.7900E-02 3.0623E+00 4.6164E+04 4.2460E+01 2.9300E+02 2.7700E-02 3.0404E+00 4.5834E+04 4.2315E+01 2.9400E+02 2.7600E-02 3.0294E+00 4.5668E+04 4.2171E+01 2.9500E+02 2.7400E-02 3.0075E+00 4.5337E+04 4.2029E+01 2.9600E+02 2.7600E-02 3.0294E+00 4.5668E+04 4.1887E+01 2.9700E+02 2.7500E-02 3.0184E+00 4.5503E+04 4.1746E+01 2.9800E+02 2.7400E-02 3.0075E+00 4.5337E+04 4.1605E+01 2.9900E+02 2.7100E-02 2.9745E+00 4.4841E+04 4.1466E+01 3.0000E+02 2.7100E-02 2.9745E+00 4.4841E+04 4.1328E+01 3.0100E+02 2.7300E-02 2.9965E+00 4.5172E+04 4.1191E+01 3.0200E+02 2.7000E-02 2.9635E+00 4.4675E+04 4.1054E+01 3.0300E+02 2.6700E-02 2.9306E+00 4.4179E+04 4.0919E+01 3.0400E+02 2.6700E-02 2.9306E+00 4.4179E+04 4.0784E+01 3.0500E+02 2.6700E-02 2.9306E+00 4.4179E+04 4.0651E+01 3.0600E+02 2.6600E-02 2.9196E+00 4.4013E+04 4.0518E+01 3.0700E+02 2.6700E-02 2.9306E+00 4.4179E+04 4.0386E+01 3.0800E+02 2.6400E-02 2.8977E+00 4.3683E+04 4.0255E+01 3.0900E+02 2.6200E-02 2.8757E+00 4.3352E+04 4.0124E+01 3.1000E+02 2.6300E-02 2.8867E+00 4.3517E+04 3.9995E+01 3.1100E+02 2.6300E-02 2.8867E+00 4.3517E+04 3.9866E+01 3.1200E+02 2.6200E-02 2.8757E+00 4.3352E+04 3.9739E+01 3.1300E+02 2.6200E-02 2.8757E+00 4.3352E+04 3.9612E+01 3.1400E+02 2.6300E-02 2.8867E+00 4.3517E+04 3.9485E+01 3.1500E+02 2.5900E-02 2.8428E+00 4.2855E+04 3.9360E+01 3.1600E+02 2.5700E-02 2.8209E+00 4.2524E+04 3.9236E+01 3.1700E+02 2.5900E-02 2.8428E+00 4.2855E+04 3.9112E+01 3.1800E+02 2.5900E-02 2.8428E+00 4.2855E+04 3.8989E+01 3.1900E+02 2.5700E-02 2.8209E+00 4.2524E+04 3.8867E+01 3.2000E+02 2.5900E-02 2.8428E+00 4.2855E+04 3.8745E+01 3.2100E+02 2.5900E-02 2.8428E+00 4.2855E+04 3.8624E+01 3.2200E+02 2.6000E-02 2.8538E+00 4.3021E+04 3.8504E+01 3.2300E+02 2.6600E-02 2.9196E+00 4.4013E+04 3.8385E+01 3.2400E+02 2.7000E-02 2.9635E+00 4.4675E+04 3.8267E+01 3.2500E+02 2.7400E-02 3.0075E+00 4.5337E+04 3.8149E+01 3.2600E+02 2.7400E-02 3.0075E+00 4.5337E+04 3.8032E+01 3.2700E+02 2.7000E-02 2.9635E+00 4.4675E+04 3.7916E+01 3.2800E+02 2.7400E-02 3.0075E+00 4.5337E+04 3.7800E+01 3.2900E+02 2.6900E-02 2.9526E+00 4.4510E+04 3.7685E+01 3.3000E+02 2.6900E-02 2.9526E+00 4.4510E+04 3.7571E+01 3.3100E+02 2.6500E-02 2.9087E+00 4.3848E+04 3.7457E+01 3.3200E+02 2.6100E-02 2.8648E+00 4.3186E+04 3.7345E+01 3.3300E+02 2.6400E-02 2.8977E+00 4.3683E+04 3.7232E+01 3.3400E+02 2.6200E-02 2.8757E+00 4.3352E+04 3.7121E+01 3.3500E+02 2.6100E-02 2.8648E+00 4.3186E+04 3.7010E+01 3.3600E+02 2.5800E-02 2.8318E+00 4.2690E+04 3.6900E+01 3.5000E+02 2.1537E-02 2.3639E+00 3.5636E+04 3.5424E+01 4.0000E+02 1.7165E-02 1.8840E+00 2.8401E+04 3.0996E+01 4.5000E+02 1.3523E-02 1.4843E+00 2.2376E+04 2.7552E+01 5.0000E+02 1.0759E-02 1.1810E+00 1.7803E+04 2.4797E+01 6.0000E+02 7.2255E-03 7.9307E-01 1.1956E+04 2.0664E+01 7.0000E+02 5.0022E-03 5.4905E-01 8.2769E+03 1.7712E+01 8.0000E+02 3.5914E-03 3.9420E-01 5.9425E+03 1.5498E+01 9.0000E+02 2.6659E-03 2.9261E-01 4.4112E+03 1.3776E+01 1.0000E+03 2.0260E-03 2.2237E-01 3.3523E+03 1.2398E+01 1.2500E+03 1.1203E-03 1.2297E-01 1.8537E+03 9.9187E+00 1.5000E+03 6.8751E-04 7.5462E-02 1.1376E+03 8.2656E+00 1.7500E+03 4.5498E-04 4.9940E-02 7.5284E+02 7.0848E+00 2.0000E+03 3.1862E-04 3.4972E-02 5.2720E+02 6.1992E+00 2.2500E+03 2.3309E-04 2.5584E-02 3.8567E+02 5.5104E+00 2.5000E+03 1.7653E-04 1.9376E-02 2.9209E+02 4.9594E+00 2.7500E+03 1.3751E-04 1.5093E-02 2.2753E+02 4.5085E+00 3.0000E+03 1.0963E-04 1.2033E-02 1.8139E+02 4.1328E+00 3.2030E+03 9.2533E-05 1.0157E-02 1.5311E+02 3.8709E+00 3.2060E+03 8.8381E-04 9.7008E-02 1.4624E+03 3.8673E+00 3.5000E+03 6.9649E-04 7.6448E-02 1.1524E+03 3.5424E+00 4.0000E+03 4.9993E-04 5.4873E-02 8.2720E+02 3.0996E+00 4.5000E+03 3.7261E-04 4.0898E-02 6.1654E+02 2.7552E+00 5.0000E+03 2.8118E-04 3.0863E-02 4.6526E+02 2.4797E+00 6.0000E+03 1.6089E-04 1.7659E-02 2.6622E+02 2.0664E+00 7.0000E+03 1.0546E-04 1.1575E-02 1.7449E+02 1.7712E+00 8.0000E+03 7.2513E-05 7.9591E-03 1.1998E+02 1.5498E+00 9.0000E+03 5.1988E-05 5.7063E-03 8.6022E+01 1.3776E+00 1.0000E+04 3.7082E-05 4.0702E-03 6.1358E+01 1.2398E+00 1.2500E+04 1.9470E-05 2.1370E-03 3.2216E+01 9.9187E-01 1.5000E+04 1.1420E-05 1.2535E-03 1.8896E+01 8.2656E-01 1.7500E+04 7.2078E-06 7.9113E-04 1.1926E+01 7.0848E-01 2.0000E+04 4.8403E-06 5.3128E-04 8.0090E+00 6.1992E-01 2.2500E+04 3.4070E-06 3.7395E-04 5.6373E+00 5.5104E-01 2.5000E+04 2.4887E-06 2.7317E-04 4.1180E+00 4.9594E-01 2.7500E+04 1.8660E-06 2.0481E-04 3.0875E+00 4.5085E-01 3.0000E+04 1.4256E-06 1.5647E-04 2.3588E+00 4.1328E-01 3.5000E+04 8.8390E-07 9.7018E-05 1.4625E+00 3.5424E-01 4.0000E+04 5.8435E-07 6.4139E-05 9.6689E-01 3.0996E-01 4.5000E+04 4.0566E-07 4.4526E-05 6.7123E-01 2.7552E-01 5.0000E+04 2.9269E-07 3.2125E-05 4.8429E-01 2.4797E-01 6.0000E+04 1.6638E-07 1.8262E-05 2.7530E-01 2.0664E-01 7.0000E+04 1.0298E-07 1.1303E-05 1.7039E-01 1.7712E-01 8.0000E+04 6.7465E-08 7.4051E-06 1.1163E-01 1.5498E-01 9.0000E+04 4.6388E-08 5.0916E-06 7.6756E-02 1.3776E-01 1.0000E+05 3.3182E-08 3.6421E-06 5.4905E-02 1.2398E-01