BEAM TRANSFER CALCULATOR

pD values at which gas flow properties have been computed and fitted with curves below:
0.001 0.0025 0.005 0.01 0.025 0.05 0.1 0.25 0.5 1 2.5
Accelerating voltage for sigma (scattering cross-sections) in next table
1.000E+03 2.000E+03 3.000E+03 4.000E+03 5.000E+03 6.000E+03 7.000E+03 8.000E+03 9.000E+03 1.000E+04 1.100E+04 1.200E+04 1.300E+04 1.400E+04 1.500E+04 1.600E+04 1.700E+04 1.800E+04 1.900E+04 2.000E+04 2.100E+04 2.200E+04 2.300E+04 2.400E+04 2.500E+04 2.600E+04 2.700E+04 2.800E+04 2.900E+04 3.000E+04 3.100E+04 3.200E+04 3.300E+04 3.400E+04 3.500E+04 3.600E+04 3.700E+04 3.800E+04 3.900E+04 4.000E+04 4.100E+04 4.200E+04 4.300E+04 4.400E+04 4.500E+04 4.600E+04 4.700E+04 4.800E+04 4.900E+04 5.000E+04

ARGON

Coefficients 1 for calculation of zeta in the range -4 to 0 diameters below the aperture
4.03E+00 4.01E+00 3.82E+00 3.62E+00 3.32E+00 2.95E+00 2.60E+00 2.29E+00 2.11E+00 2.06E+00 2.02E+00 -4.09E+00 -3.73E+00 -3.72E+00 -3.76E+00 -4.28E+00 -3.99E+00 -4.25E+00 -6.42E+00 -3.98E+00 -5.13E+00 -6.19E+00 -8.73E+00 -7.07E+00 -6.99E+00 -7.04E+00 -8.44E+00 -6.47E+00 -6.68E+00 -1.12E+01 -4.87E+00 -7.20E+00 -9.07E+00 8.76E+00 7.29E+00 7.24E+00 7.28E+00 8.57E+00 6.64E+00 6.90E+00 1.12E+01 5.14E+00 7.58E+00 9.35E+00 1.92E-03 3.40E-02 3.20E-02 3.92E-02 1.64E-02 2.84E-02 3.60E-02 6.18E-03 4.97E-02 5.66E-02 -1.15E-02
Coefficients 2 for calculation of zeta in the range 0 to 20 diameters above the aperture
3.99E+00 4.03E+00 3.85E+00 3.63E+00 3.32E+00 2.94E+00 2.60E+00 2.28E+00 2.11E+00 2.05E+00 2.01E+00 7.11E-01 8.01E-01 8.38E-01 7.64E-01 7.47E-01 6.83E-01 6.31E-01 5.39E-01 5.68E-01 5.62E-01 6.08E-01 1.12E+01 1.17E+01 1.12E+01 1.00E+01 8.82E+00 7.31E+00 6.08E+00 4.94E+00 4.53E+00 4.39E+00 4.44E+00 -3.69E-02 -4.15E-02 -4.24E-02 -3.91E-02 -3.80E-02 -3.54E-02 -3.33E-02 -3.00E-02 -3.04E-02 -3.03E-02 -3.19E-02 1.28E+01 1.38E+01 1.31E+01 1.17E+01 9.51E+00 7.43E+00 5.86E+00 4.54E+00 4.34E+00 4.34E+00 4.65E+00
Coefficients 3 for calculation of normalised density in the range -4 to 0 diameters below the aperture
1.9084615 1.9060036 1.8430083 1.826612 1.7502787 1.6349096 1.5182675 1.4110526 1.3253871 1.2733031 1.23E+00 -5.4797176 -5.1256322 -5.2046085 -4.3930362 -5.8314983 -6.6363426 -6.8005675 -8.3076591 -8.3793864 -6.7948433 -6.8501167 -5.5626378 -4.9848159 -4.7901304 -4.233582 -5.6207137 -6.4642367 -6.2305835 -9.9571691 -7.8031963 -6.0110926 -5.9784532 12.125658 10.46637 5.5841858 13.073547 13.839188 13.228851 5.7257618 121.32204 14.223507 11.79285 1.17E+01 12.090833 10.508966 5.6342046 13.104317 13.858628 13.24852 5.8859855 121.47082 14.319519 11.93286 1.19E+01
Coefficients 4 for calculation of normalised density in the range 0 to 20 diameters above the aperture
1.9092991 1.9133197 1.8433894 1.8382892 1.7553284 1.6481974 1.5220178 1.4193978 1.3309546 1.2844316 1.2394798 -0.087277913 -0.094780807 -0.024705506 -0.12241098 -0.10039085 -0.08432753 -0.10596658 -0.12388783 -0.12360116 -0.13381939 -0.14892968 4.1279632 4.6017619 4.5156269 3.9955333 3.7295569 3.1738945 2.8716077 2.5777336 2.2494549 2.210782 2.139818 0.005380068 0.005451993 7.36E-05 0.00796093 0.006112858 0.004866553 0.006222222 0.007112316 0.00724638 0.007875852 0.00911225 10.686238 9.9509432 10.877767 8.2672692 7.2252405 6.3434338 4.8539719 3.7703944 3.5204322 3.3468599 3.2426307
Sigma used (scattering cross-sections) for the accelerating voltages in previous table
4.61E-20 2.52E-20 1.76E-20 1.36E-20 1.12E-20 9.48E-21 8.26E-21 7.33E-21 6.60E-21 6.00E-21 5.52E-21 5.10E-21 4.75E-21 4.45E-21 4.19E-21 3.96E-21 3.75E-21 3.57E-21 3.40E-21 3.25E-21 3.12E-21 2.99E-21 2.88E-21 2.78E-21 2.68E-21 2.59E-21 2.51E-21 2.43E-21 2.36E-21 2.29E-21 2.23E-21 2.17E-21 2.12E-21 2.06E-21 2.01E-21 1.97E-21 1.92E-21 1.88E-21 1.84E-21 1.80E-21 1.77E-21 1.73E-21 1.70E-21 1.67E-21 1.64E-21 1.61E-21 1.58E-21 1.55E-21 1.53E-21 1.50E-21
Coefficients 5 for calculation of leak rate hrough aperture
0.010707951 27.43347 0.17738715 4.1413311 0.029256475

NITROGEN

Coefficients 1 for calculation of zeta in the range -4 to 0 diameters below the aperture
4.00E+00 4.00E+00 3.84E+00 3.38E+00 3.37E+00 3.01E+00 2.77E+00 2.55E+00 2.37E+00 2.34E+00 2.39E+00 -3.60E+00 -4.13E+00 -4.12E+00 -4.46E+00 -4.18E+00 -3.61E+00 -4.32E+00 -4.81E+00 -3.87E+00 -4.20E+00 -4.03E+00 -6.37E+00 -9.30E+00 -8.61E+00 -8.88E+00 -6.90E+00 -4.88E+00 -6.56E+00 -7.32E+00 -4.80E+00 -5.42E+00 -5.07E+00 6.58E+00 9.30E+00 8.81E+00 8.98E+00 7.13E+00 5.11E+00 6.65E+00 7.23E+00 5.11E+00 5.68E+00 5.40E+00 2.04E-02 3.85E-05 7.78E-03 7.86E-03 8.33E-03 3.73E-02 1.99E-02 1.67E-03 7.99E-02 3.39E-02 6.09E-02
Coefficients 2 for calculation of zeta in the range 0 to 20 diameters above the aperture
3.99E+00 3.95E+00 3.76E+00 3.60E+00 3.29E+00 2.99E+00 2.74E+00 2.54E+00 2.37E+00 2.35E+00 2.39E+00 6.86E-01 6.93E-01 -4.10E+00 7.11E-01 7.45E-01 6.89E-01 5.55E-01 -7.81E-03 5.00E-01 5.90E-01 5.02E-01 1.09E+01 1.08E+01 -1.01E+01 9.75E+00 8.76E+00 7.60E+00 6.44E+00 4.75E+00 5.31E+00 5.31E+00 5.34E+00 -3.86E-02 -3.65E-02 1.01E+01 -3.67E-02 -3.88E-02 -3.61E-02 -6.49E-02 -4.87E-04 -2.72E-02 -3.24E-02 -2.72E-02 1.20E+01 1.20E+01 7.15E-03 1.08E+01 9.44E+00 7.99E+00 6.38E+00 2.24E+00 5.70E+00 6.70E+00 6.78E+00
Coefficients 3 for calculation of normalised density in the range -4 to 0 diameters below the aperture
1.9791203 1.9408066 1.9285136 1.8294314 1.7645566 1.6345999 1.5186021 1.4144481 1.3466641 1.2972155 1.2910799 -6.5131086 -5.2249157 -5.2384884 -4.9462183 -5.689335 -6.3173139 -6.5327281 -18.510753 -7.2364858 -6.5998553 -8.5543041 -5.9184967 -5.1149223 -4.9917329 -4.7099129 -5.3703797 -6.047702 -6.6425688 -24.998028 -6.982369 -5.9858121 -7.9614017 1.1365812 10.680067 11.679669 12.543478 15.016112 12.878165 29.515472 260.36782 32.595913 19.620395 5.3061001 1.2279752 10.699665 11.76949 12.563135 15.052352 12.928575 29.589473 260.92691 32.629625 19.724086 5.3945881
Coefficients 4 for calculation of normalised density in the range 0 to 20 diameters above the aperture
1.9699989 1.9418275 1.9180042 1.8348136 1.7528954 1.6454789 1.5236254 1.4176419 1.3505429 1.3090134 1.3004064 -0.044544488 -0.007027739 -0.10135405 -0.095014894 -0.10431785 -0.094510885 -0.11142578 -0.12984537 -0.14595292 -0.17669486 -0.18835728 4.3575212 4.0141893 4.2726843 4.3671827 4.1620842 3.2507026 3.0622823 2.7904651 2.5870806 2.4690128 2.3927273 0.001403497 -0.001568545 0.006327637 0.005473309 0.005917856 0.005572229 0.006937906 0.008247059 0.008458785 0.010857867 0.011638137 10.968088 11.900812 9.4165101 8.5642877 6.8401071 6.5026924 5.2424989 4.6037217 4.3019305 3.9882164 4.1971763
Sigma used (scattering cross-sections) for the accelerating voltages in previous table
3.00E-20 1.70E-20 1.21E-20 9.43E-21 7.78E-21 6.64E-21 5.81E-21 5.17E-21 4.67E-21 4.26E-21 3.92E-21 3.64E-21 3.39E-21 3.18E-21 3.00E-21 2.84E-21 2.69E-21 2.56E-21 2.45E-21 2.34E-21 2.25E-21 2.16E-21 2.08E-21 2.01E-21 1.94E-21 1.88E-21 1.82E-21 1.76E-21 1.71E-21 1.67E-21 1.62E-21 1.58E-21 1.54E-21 1.50E-21 1.47E-21 1.43E-21 1.40E-21 1.37E-21 1.34E-21 1.32E-21 1.29E-21 1.26E-21 1.24E-21 1.22E-21 1.20E-21 1.18E-21 1.16E-21 1.14E-21 1.12E-21 1.10E-21
Coefficients 5 for calculation of leak rate hrough aperture
0.008861527 27.867948 0.15348754 235.85886 1.3852781

HELIUM

Coefficients 1 for calculation of zeta in the range -4 to 0 diameters below the aperture
4.0644232 4.0776053 4.0417659 3.9511404 3.7837751 3.5456391 3.1571506 2.6859643 2.4063702 2.1933851 2.0799261 -3.6663521 -3.8271578 -3.7606939 -3.6833232 -3.7451939 -3.9758749 -3.977418 -4.471341 -4.2183631 -4.2745687 -4.5611505 -5.9858796 -6.4446569 -6.1245632 -5.962214 -6.0484506 -6.4531608 -6.4697922 -7.1525579 -5.7948293 -5.5665082 -5.8723599 6.1516529 6.5511455 6.3145996 6.1701628 6.2846951 6.6019077 6.6286511 7.2195612 5.8508096 5.6546456 6.0258933 0.018146192 0.005062453 0.02059648 0.023529056 0.024424953 0.016386987 0.015316586 0.010208079 0.006477967 0.011272826 0.020906443
Coefficients 2 for calculation of zeta in the range 0 to 20 diameters above the aperture
4.0345959 4.0468492 4.0402158 3.9655396 3.734303 3.5396714 3.129064 2.6757229 2.4034019 2.1999536 2.0670932 0.96869567 1.1879195 0.77417935 0.89891039 1.2601006 0.36929263 1.0395697 0.70910091 0.72896622 0.6845927 0.69012875 11.856671 12.92912 11.276214 11.502045 11.883465 8.3735129 8.9408594 6.3654384 5.5446801 4.8088487 4.529289 -0.049562794 -0.060999208 -0.040355724 -0.045283998 -0.065616072 -0.021822603 -0.052815754 -0.03782819 -0.038444961 -0.036552574 -0.036575514 15.395679 18.602649 13.881402 14.723563 16.610615 6.8236731 11.170537 6.664048 5.86492 5.1563616 5.0208161
Coefficients 3 for calculation of normalised density in the range -4 to 0 diameters below the aperture
1.9633038 1.974118 1.9439614 1.9316889 1.8611975 1.7662895 1.6746237 1.5295264 1.4438455 1.352925 1.2894965 -5.6040896 -6.8487271 -5.7744095 -5.6980245 -5.2015304 -5.9707535 -5.4927085 -6.4125196 -6.6534679 -8.0448439 -8.2057383 -5.3712573 -6.4002504 -5.3647825 -5.3093232 -4.6626275 -5.7740205 -5.2516805 -6.3195489 -7.2309273 -7.7695403 -7.6149446 7.4384694 2.7181346 6.2509496 6.3611706 5.9837783 12.178425 14.128142 19.54571 59.385579 18.588189 15.218213 7.4842354 2.7623661 6.319055 6.4260016 6.0575667 12.182007 14.129077 19.576075 59.361997 18.630521 15.306476
Coefficients 4 for calculation of normalised density in the range 0 to 20 diameters above the aperture
1.9686592 1.9669648 1.9352393 1.9390971 1.8534982 1.7756582 1.6750902 1.5412227 1.4667801 1.3703954 1.2946053 -0.13558163 -0.082870046 -0.14341195 -0.093298909 -0.12730478 -0.12131994 -0.096049348 -0.13185661 -0.11734027 -0.15171695 -0.14090054 5.1205369 4.4891002 5.0943437 4.6143553 4.7421813 4.7230833 3.6420575 3.3302835 2.7798077 2.6324696 2.3048425 0.008574184 0.005060474 0.008755608 0.005257122 0.00835811 0.006180266 0.006029218 0.007837841 0.006899451 0.00906527 0.008374811 8.2230693 10.41546 8.2209516 9.4876478 7.6841579 6.6742802 6.7071199 4.3901663 4.0584095 3.1014781 3.1927086
Sigma used (scattering cross-sections) for the accelerating voltages in previous table
2.43E-21 1.43E-21 1.03E-21 8.13E-22 6.74E-22 5.78E-22 5.08E-22 4.53E-22 4.10E-22 3.75E-22 3.46E-22 3.21E-22 3.00E-22 2.82E-22 2.66E-22 2.52E-22 2.39E-22 2.28E-22 2.18E-22 2.09E-22 2.00E-22 1.93E-22 1.86E-22 1.79E-22 1.73E-22 1.68E-22 1.63E-22 1.58E-22 1.53E-22 1.49E-22 1.45E-22 1.41E-22 1.38E-22 1.35E-22 1.32E-22 1.29E-22 1.26E-22 1.23E-22 1.21E-22 1.18E-22 1.16E-22 1.14E-22 1.12E-22 1.10E-22 1.08E-22 1.06E-22 1.04E-22 1.02E-22 1.01E-22 9.91E-23
Coefficients 5 for calculation of leak rate hrough aperture
0.00335459 8.8228082 0.01862066 25.429723 0.05432455

HYDROGEN

Coefficients 1 for calculation of zeta in the range -4 to 0 diameters below the aperture
4.0530023 4.0882591 4.0724532 3.8865109 3.6122887 3.3900251 3.0119546 2.6197493 2.4842499 2.49E+00 2.43E+00 -3.8854279 -3.8560884 -3.8911438 -3.7854941 -3.7822923 -4.2050933 -4.3096379 -5.0336532 -5.748327 -8.66E+00 -4.96E+00 -6.6007957 -6.5306759 -6.6994491 -6.1847125 -5.8858892 -7.5197715 -7.1796735 -8.3224858 -9.6289558 -1.64E+01 -7.41E+00 6.5759816 6.6672607 6.8783817 6.3735549 6.071372 7.6086601 7.2990288 8.3593078 9.5148552 1.53E+01 7.27E+00 -0.00839393 0.01603947 0.018247715 0.021018349 0.017695788 0.010631315 0.014677169 0.008229024 -0.005003989 -1.36E-01 -1.99E-02
Coefficients 2 for calculation of zeta in the range 0 to 20 diameters above the aperture
4.0706294 4.0315521 3.9894538 3.8244189 3.6142636 3.2932965 2.9655497 2.597584 2.4614899 2.37E+00 2.30E+00 0.57357576 0.5768304 0.45357267 0.88541662 0.98586314 1.1533889 1.0007769 0.69811904 0.63141198 6.22E-01 5.76E-01 11.177131 11.120089 10.455998 11.079833 10.409468 9.8389448 8.1908042 6.2728901 5.7045024 5.35E+00 5.21E+00 -0.029561212 -0.030663894 -0.02551582 -0.045592142 -0.04838738 -0.058822826 -0.051095723 -0.037499474 -0.033447764 -3.33E-02 -3.08E-02 10.898211 10.82992 8.8824239 13.426039 13.636625 13.613943 10.48078 6.8883686 6.3512064 6.59E+00 6.57E+00
Coefficients 3 for calculation of normalised density in the range -4 to 0 diameters below the aperture
1.9789875 1.9423896 1.9434802 1.902092 1.84826 1.7130899 1.6051236 1.4744905 1.4135132 1.3496017 1.2919596 -8.3603495 -5.7380807 -4.9784457 -6.0723434 -8.0238114 -5.155314 -5.2887449 -5.8311568 -8.4607022 -21.444297 -10.007496 -9.7591448 -5.4564503 -4.6827785 -5.8935857 -7.5552033 -5.1167498 -5.1240908 -5.9493917 -11.036227 -27.881625 -10.060322 21.701041 7.3804307 11.674992 9.4322039 3.0537444 16.369265 19.187863 42.052078 159.80985 281.37491 1.5415099 21.413673 7.4325909 11.731142 9.4184599 3.107207 16.368198 19.207441 42.108877 160.08966 280.38928 1.5235718
Coefficients 4 for calculation of normalised density in the range 0 to 20 diameters above the aperture
1.9809866 1.9625411 1.9218826 1.9142284 1.8559665 1.7197015 1.6095874 1.4833747 1.4160749 1.3584829 1.271648 0.049508025 0.083545309 -0.032987172 -0.031783283 -0.085065522 -0.10926689 -0.12050837 -0.11159968 -0.12384546 -0.16223322 -0.1782367 4.0920088 3.9283225 4.7206167 4.1390619 4.0498101 3.6972186 3.4296918 2.8474953 2.6298552 2.4221333 2.3868957 -0.006476176 -0.009398927 -0.000114022 0.000641229 0.004894653 0.007089706 0.007637796 0.006521136 0.007165858 0.009920901 0.011017177 13.639361 14.342993 10.752338 10.563167 8.5456172 7.2364287 5.8680909 5.0619518 4.6425517 4.1150006 3.9490151
Sigma used (scattering cross-sections) for the accelerating voltages in previous table
6.62E-21 3.75E-21 2.66E-21 2.08E-21 1.72E-21 1.47E-21 1.28E-21 1.14E-21 1.03E-21 9.44E-22 8.69E-22 8.06E-22 7.53E-22 7.06E-22 6.66E-22 6.30E-22 5.98E-22 5.70E-22 5.44E-22 5.21E-22 5.00E-22 4.81E-22 4.63E-22 4.47E-22 4.32E-22 4.18E-22 4.05E-22 3.93E-22 3.82E-22 3.71E-22 3.61E-22 3.52E-22 3.43E-22 3.35E-22 3.27E-22 3.20E-22 3.13E-22 3.06E-22 3.00E-22 2.94E-22 2.88E-22 2.82E-22 2.77E-22 2.72E-22 2.67E-22 2.63E-22 2.58E-22 2.54E-22 2.50E-22 2.46E-22
Coefficients 5 for calculation of leak rate hrough aperture
0.002406303 0.81859927 -0.014957827 -334.69728 -0.50304835

WATER_VAPOR

Coefficients 1 for calculation of zeta in the range -4 to 0 diameters below the aperture
4.00E+00 3.96E+00 3.86E+00 3.74E+00 3.38E+00 3.05E+00 2.8373472 2.62E+00 2.5483899 2.4938419 2.65E+00 -3.93E+00 -3.97E+00 -4.16E+00 -4.14E+00 -4.50E+00 -4.73E+00 -5.5984448 -6.46E+00 -4.2919994 -4.7888514 -5.59E+00 -6.69E+00 -6.89E+00 -7.34E+00 -7.15E+00 -8.29E+00 -8.29E+00 -9.9937053 -1.17E+01 -5.8975998 -6.8531186 -8.67E+00 6.78E+00 7.17E+00 7.53E+00 7.39E+00 8.36E+00 8.31E+00 9.79859325 1.13E+01 5.9770306 6.9381141 8.81E+00 -4.66E-03 1.48E-02 5.12E-03 8.73E-03 1.15E-02 2.71E-03 -0.013828834 -3.04E-02 0.008690062 0.010651429 2.02E-02
Coefficients 2 for calculation of zeta in the range 0 to 20 diameters above the aperture
3.96E+00 3.93E+00 3.82E+00 3.68E+00 3.35E+00 3.05E+00 2.77E+00 2.5826691 2.4914554 2.4637113 2.51E+00 8.60E-01 5.58E-01 7.22E-01 6.39E-01 6.07E-01 5.01E-01 4.37E-01 0.22310895 0.5034057 0.28606401 4.61E-01 1.14E+01 1.04E+01 1.03E+01 9.96E+00 8.43E+00 7.21E+00 6.36E+00 5.3963508 5.6389541 5.3836463 5.64E+00 -4.56E-02 -2.97E-02 -3.95E-02 -3.56E-02 -3.20E-02 -2.68E-02 -2.47E-02 -0.016629268 -0.02693892 -0.021208077 -2.45E-02 1.40E+01 9.97E+00 1.28E+01 1.04E+01 9.92E+00 7.88E+00 6.77E+00 4.7426025 7.3038708 6.0079522 8.05E+00
Coefficients 3 for calculation of normalised density in the range -4 to 0 diameters below the aperture
1.8952252 1.9082721 1.8832041 1.7962025 1.6843606 1.5762465 1.46632435 1.3564022 1.3475222 1.2854358 1.2661608 -7.0817213 -5.3754851 -5.8092154 -4.9791609 -5.9505326 -6.5472422 -5.17922895 -3.8112157 -19.472088 -7.3227442 -7.2457413 -9.136335 -4.8452971 -5.598492 -4.6139583 -5.973949 -6.797597 -5.17836295 -3.5591289 -22.758639 -7.0086963 -6.4180182 30.025755 6.1004822 11.080407 9.3674625 21.046884 29.375238 16.80486885 4.2344997 100.64207 23.00932 34.634438 29.622984 6.1901195 11.115937 9.4167915 21.062888 29.338048 16.8375298 4.3370116 100.465 23.053985 34.770967
Coefficients 4 for calculation of normalised density in the range 0 to 20 diameters above the aperture
1.9006303 1.9114876 1.895717 1.7886118 1.6962464 1.5803969 1.452391 1.3952406 1.3363159 1.2713962 1.2958867 -0.1312819 -0.08730348 -0.14448886 -0.10346643 -0.15555796 -0.15089429 -0.16219103 -0.17247865 -0.19064614 -0.19276929 -0.21410968 5.0422383 4.8765524 4.3621876 4.5572461 3.8704468 3.5023505 3.1101785 2.6783556 2.4772382 2.423678 2.3420655 0.00807844 0.004377733 0.008855359 0.005702811 0.009439951 0.008734567 0.009465748 0.011136207 0.011810861 0.011230171 0.013586576 8.263827 9.0706795 8.0174806 8.2428209 6.4836283 5.723701 5.0536653 4.58737 4.4610363 4.5864588 4.5955302
Sigma used (scattering cross-sections) for the accelerating voltages in previous table
2.13E-20 1.20E-20 8.54E-21 6.67E-21 5.50E-21 4.69E-21 4.10E-21 3.65E-21 3.30E-21 3.01E-21 2.77E-21 2.57E-21 2.40E-21 2.25E-21 2.12E-21 2.00E-21 1.90E-21 1.81E-21 1.73E-21 1.65E-21 1.59E-21 1.53E-21 1.47E-21 1.42E-21 1.37E-21 1.32E-21 1.28E-21 1.24E-21 1.21E-21 1.18E-21 1.14E-21 1.11E-21 1.09E-21 1.06E-21 1.03E-21 1.01E-21 9.88E-22 9.67E-22 9.47E-22 9.28E-22 9.09E-22 8.92E-22 8.75E-22 8.59E-22 8.44E-22 8.29E-22 8.15E-22 8.02E-22 7.89E-22 7.76E-22
Coefficients 5 for calculation of leak rate hrough aperture
0.00741718 51.565748 0.24890498 54.57068 0.2791621

Oxygen

Coefficients 1 for calculation of zeta in the range -4 to 0 diameters below the aperture
4.00E+00 4.04E+00 3.936913 3.73E+00 3.40E+00 3.08E+00 2.74E+00 2.51E+00 2.45E+00 2.45E+00 2.51E+00 -4.03E+00 -4.08E+00 -4.1076902 -4.11E+00 -4.11E+00 -4.35E+00 -4.76E+00 -5.42E+00 -5.06E+00 -4.97E+00 -3.21E+00 -7.13E+00 -7.23E+00 -7.3620917 -7.08E+00 -6.69E+00 -7.51E+00 -7.90E+00 -8.94E+00 -7.75E+00 -7.48E+00 -3.38E+00 7.17E+00 7.37E+00 7.516156 7.28E+00 6.90E+00 7.59E+00 7.94E+00 8.86E+00 7.64E+00 7.38E+00 3.48E+00 -7.08E-03 4.11E-03 0.004447388 8.59E-03 8.24E-03 1.20E-02 8.33E-03 -1.82E-03 -1.77E-02 -1.69E-02 9.40E-03
Coefficients 2 for calculation of zeta in the range 0 to 20 diameters above the aperture
3.95E+00 4.02E+00 3.8100057 3.65E+00 3.38E+00 3.04E+00 2.72E+00 2.48E+00 2.41E+00 2.35E+00 2.37E+00 1.79E+00 7.68E-01 0.60692546 9.72E-01 7.57E-01 9.20E-01 7.34E-01 5.85E-01 5.97E-01 6.19E-01 5.10E-01 1.45E+01 1.11E+01 10.076116 1.05E+01 9.11E+00 8.27E+00 6.82E+00 5.70E+00 5.47E+00 5.36E+00 5.31E+00 -9.29E-02 -4.20E-02 -0.032789124 -4.77E-02 -3.97E-02 -4.75E-02 -3.83E-02 -3.18E-02 -3.23E-02 -3.29E-02 -2.81E-02 2.60E+01 1.40E+01 10.707558 1.41E+01 9.95E+00 1.02E+01 7.39E+00 6.20E+00 6.48E+00 6.93E+00 6.76E+00
Coefficients 3 for calculation of normalised density in the range -4 to 0 diameters below the aperture
1.9047108 1.8816701 1.8866529 1.8367771 1.7353879 1.6295123 1.4803325 1.4117742 1.3515747 1.3147891 1.3012026 -6.1699541 -4.9628132 -4.9965118 -4.7205303 -5.8322588 -5.3950817 -4.7050367 -8.1171788 -20.319138 71.477738 -8.1556052 -8.5720852 -5.1244386 -4.8571599 -4.4002725 -5.5736637 -5.3355411 -4.9407637 -10.496157 -29.112797 103.86184 -8.7679618 37.695867 15.110655 10.668281 12.256773 11.919483 19.181208 36.962081 140.62532 401.54072 -1275.8278 5.2918334 37.417281 15.173351 10.731747 12.360573 11.978263 19.208925 36.989976 140.80805 401.23519 -1273.0845 5.1781649
Coefficients 4 for calculation of normalised density in the range 0 to 20 diameters above the aperture
1.920075 1.9060362 1.8722942 1.8438558 1.7282327 1.6318676 1.4885899 1.414128 1.3598257 1.3238076 1.2917381 -0.11789071 -0.18003123 0.004306303 -0.11989943 -0.10183548 -0.096934212 -0.11940204 -0.12017488 -0.15947549 -0.17402305 -0.18125218 4.2564511 5.3462136 4.6322413 4.1654453 4.1964435 3.4402146 3.3192744 2.5925983 2.5687884 2.3789775 2.3512347 0.008289208 0.011347806 -0.00409676 0.00764663 0.005866595 0.00571454 0.007067774 0.006812022 0.00963023 0.010775374 0.011064778 9.732716 7.0838752 10.79365 8.0951399 7.1646417 6.5140113 5.0533974 4.8196872 4.170647 4.1009303 4.2611724
Sigma used (scattering cross-sections) for the accelerating voltages in previous table
2.88E-20 1.63E-20 1.16E-20 9.03E-21 7.44E-21 6.35E-21 5.55E-21 4.94E-21 4.46E-21 4.07E-21 3.75E-21 3.47E-21 3.24E-21 3.04E-21 2.86E-21 2.71E-21 2.57E-21 2.45E-21 2.34E-21 2.23E-21 2.14E-21 2.06E-21 1.98E-21 1.91E-21 1.85E-21 1.79E-21 1.73E-21 1.68E-21 1.63E-21 1.59E-21 1.54E-21 1.50E-21 1.47E-21 1.43E-21 1.40E-21 1.36E-21 1.33E-21 1.31E-21 1.28E-21 1.25E-21 1.23E-21 1.20E-21 1.18E-21 1.16E-21 1.14E-21 1.12E-21 1.10E-21 1.08E-21 1.06E-21 1.05E-21
Coefficients 5 for calculation of leak rate hrough aperture
0.009550982 37.451249 0.22632365 -4.6904792 -0.026466382

Neon

Coefficients 1 for calculation of zeta in the range -4 to 0 diameters below the aperture
3.96E+00 4.03E+00 4.01E+00 3.78E+00 3.67E+00 3.34E+00 3.00E+00 2.52E+00 2.27E+00 2.14E+00 2.11E+00 -3.55E+00 -4.02E+00 -4.10E+00 -4.00E+00 -4.04E+00 -4.05E+00 -4.38E+00 -4.15E+00 -4.44E+00 -4.53E+00 -4.15E+00 -5.67E+00 -7.15E+00 -7.49E+00 -8.04E+00 -7.37E+00 -6.98E+00 -7.52E+00 -5.88E+00 -6.07E+00 -5.98E+00 -5.17E+00 5.93E+00 7.35E+00 7.66E+00 8.24E+00 7.52E+00 7.08E+00 7.58E+00 5.99E+00 6.13E+00 6.16E+00 5.24E+00 1.53E-02 5.93E-03 4.32E-03 3.66E-03 1.88E-02 1.04E-02 6.71E-03 1.38E-02 7.96E-03 2.43E-02 7.00E-03
Coefficients 2 for calculation of zeta in the range 0 to 20 diameters above the aperture
3.91E+00 3.96E+00 3.98E+00 3.83E+00 3.65E+00 3.33E+00 2.98E+00 2.53E+00 2.27E+00 2.13E+00 2.05E+00 1.45E+00 5.31E-01 1.04E+00 1.18E+00 8.09E-01 8.17E-01 9.12E-01 6.76E-01 6.10E-01 6.45E-01 6.86E-01 1.31E+01 1.03E+01 1.18E+01 1.19E+01 1.01E+01 8.91E+00 7.93E+00 5.82E+00 4.98E+00 4.64E+00 4.48E+00 -7.61E-02 -3.18E-02 -5.43E-02 -5.87E-02 -4.13E-02 -4.26E-02 -4.76E-02 -3.58E-02 -3.31E-02 -3.44E-02 -3.62E-02 2.02E+01 1.06E+01 1.58E+01 1.78E+01 1.16E+01 1.03E+01 9.30E+00 5.92E+00 4.86E+00 4.81E+00 5.10E+00
Coefficients 3 for calculation of normalised density in the range -4 to 0 diameters below the aperture
1.9565933 1.9442399 1.7999845 1.882219 1.7910174 1.7510769 1.6587267 1.4844103 1.4165675 1.3191496 1.279231 -5.5533984 -6.6669056 -2.5634804 -4.8552465 -5.0596237 -6.40123 -6.2360448 -4.0016679 -12.586295 -8.5083125 -7.6651687 -5.0477525 -6.4077921 -2.5333153 -4.8582786 -4.6705823 -6.3029975 -6.2448159 -3.9430651 -12.340536 -7.966908 -7.632839 1.7692417 6.535417 14.140926 13.190015 8.2270425 12.617482 21.396031 35.572011 11.215226 9.4376824 21.001561 1.8504133 6.5611076 14.192883 13.176142 8.2446078 12.625142 21.383623 35.569374 11.243567 9.5174167 21.002036
Coefficients 4 for calculation of normalised density in the range 0 to 20 diameters above the aperture
1.8843964 1.9907546 2.0028576 1.8676564 1.7924047 1.7500389 1.6639364 1.4957532 1.4165925 1.3199426 1.2775466 -0.16866975 -0.10258281 -0.12520199 -0.11338729 -0.14126338 -0.10717787 -0.092495547 -0.13458305 -0.080047975 -0.12915346 -0.14334833 5.3620729 4.0996854 4.7428889 4.4447388 5.0330953 4.0199267 3.4277697 3.175961 2.4072832 2.4403125 2.2073544 0.011181869 0.005719493 0.008016661 0.007068801 0.008603192 0.006272722 0.005457118 0.007934364 0.004030504 0.007496679 0.008585057 6.91385 9.6744621 8.4668702 8.8489576 6.6756318 6.8393052 6.1315862 3.9365486 4.3478559 3.3703706 3.2330071
Sigma used (scattering cross-sections) for the accelerating voltages in previous table
1.18E-20 6.74E-21 4.81E-21 3.76E-21 3.11E-21 2.65E-21 2.32E-21 2.07E-21 1.87E-21 1.70E-21 1.57E-21 1.46E-21 1.36E-21 1.27E-21 1.20E-21 1.14E-21 1.08E-21 1.03E-21 9.79E-22 9.37E-22 8.99E-22 8.64E-22 8.32E-22 8.03E-22 7.76E-22 7.50E-22 7.27E-22 7.05E-22 6.85E-22 6.66E-22 6.48E-22 6.31E-22 6.15E-22 6.00E-22 5.86E-22 5.72E-22 5.60E-22 5.48E-22 5.36E-22 5.25E-22 5.15E-22 5.05E-22 4.95E-22 4.86E-22 4.78E-22 4.69E-22 4.61E-22 4.54E-22 4.46E-22 4.39E-22
Coefficients 5 for calculation of leak rate hrough aperture
0.007718318 17.782559 0.082388121 20.147081 0.096357818