ABSTRACT

Deuterium (D2) is an isotope of hydrogen Its electronic polarizability is 881 × 10−41 F m2 and the ionization potential is 15426 eV

See Table 131

See Table 132

See Table 133

TABLE 13.1 Selected References for Data

Quantity Range: eV, (Td) Reference

Drift velocity (3-125) Roznerski et al. (1994) Ionization coefficients (100-850) Cowling and Fletcher

(1973) Diffusion coefficients (003-10) Lowke and Parker

(1969) Ionization cross section 16-1000 Rapp and Englander-

Golden (1965) Ionization coefficient (50-300) Barna et al. (1964) Ionization coefficient (85-800) Rork and Chanin

(1964) Transport coefficients (0001-100) Engelhardt and Phelps

(1963)

Drift velocity (000075-125) Pack et al. (1962) Transport coefficients (00003-10) Warren and Parker

(1962) Ionization coefficient (50-1700) Rose (1956)

Note: Bold font indicates experimental study

131 Selected References for Data 105 132 Ionization Cross Section 105 133 Drift Velocity of Electrons 105 134 Diffusion Coefficients 106 135 Ionization Coefficients 107 136 Gas Constants 107 References 107

TABLE 13.2 Ionization Cross Sections for D2

Energy

Qi

Energy

Qi

Cowling (1973)

Rapp (1965)

Cowling (1973)

Rapp (1965)

16 0034 0034 125 0890 0877

17 0097 0104 150 0833 0813

18 0159 0173 175 0781

19 0218 0239 200 0735 0716

20 0273 0300 250 0661 0638

21 0325 0355 300 0604 0576

22 0378 0404 350 0553 0523

23 0423 0454 400 0510 0482

24 0470 0498 450 0469 0446

25 0515 0537 500 0431 0414

30 0700 0699 550 0387 0387

35 0809 — 600 0366

40 0876 0876 650 0344

45 0917 — 700 0325

50 0951 0950 750 0310

60 0977 0977 800 0295

70 0986 0981 850 0281

80 0981 0974 900 0271

90 0964 0958 950 0257

100 0946 0939 1000 0247

Note: See Figure 131 for graphical presentation

ficients expressed as ratio of mobility at 77 K and 293 K

Recommended DElectrons for D2 E/N (Td) W (m/s) E/N (Td) W (m/s) E/N (Td) W (m/s)

0002 3749 020 2310 60 127(4)

0003 4767 025 2700 70 138(4)

0004 7708 030 3030 80 148(4)

0006 9802 035 3340 100 167(4)

0009 1585 040 3595 120 185(4)

0012 1930 050 4017 140 202(4)

002 3080 060 4350 170 228(4)

0025 3830 070 4650 200 251(4)

003 4570 080 4920 250 290(4)

0035 5300 10 538(3) 300 338(4)

004 6010 12 579(3) 350 372(4)

005 7400 14 619(3) 400 417(4)

006 8730 17 674(3) 50 496(4)

007 1002 20 727(3) 60 585(4)

008 1130 25 810(3) 70 654(4)

010 1335 30 888(3) 80 747(4)

012 1553 35 961(3) 100 920(4)

014 1759 40 102(4) 120 105(5)

017 2046 50 112(4)

Note: a (b) means a × 10b See Figure 132 for graphical presentation

10-4

10-1

10-2

10-3 10-3 10-2 10-1 100 101 102 103

E/N (Td)

D r /μ

,D L

/μ (V

) D2

(a)

(b)

(c)

Io ni

za tio

n cr

os ss

ec tio

n (1

m 2 )

1.2

1.0

0.8

0.6

0.4

0.2

0.0

1.4

Rapp (1965)

Deuterium (D2)

Cowling (1973)

FIGURE 13.1 Ionization cross section for D2 (–○–) Cowling and Fletcher (1973); (–□–) Rapp and Englander-Golden (1965)

See Table 134

Gas constants evaluated according to the expression (see inset of Figure 134)

α N

F E

= −  

 exp

GN

(131)

are F = 149 × 10−20 m2 and G = 3476 Td

Ionization Coefficients for

α/N (10−20 m2)

E/N (Td) Rose (1956) Cowling and Fletcher (1973)

50 00012

60 00048

70 00111

80 00199

85 00281

100 0061

125 00846

150 0135 0106

175 0190 0158

200 0245 0218

225 0297 0281

250 0352 0335

300 0448 0414

350 0530 0480

400 0616 0535

450 0688 0580

500 0743 0620

600 0843 0679

700 0928 0710

800 0988 0727

900 103

1000 107

1250 116

1500 124

1700 127

Note: See Figure 134 for graphical presentation

1.0

0.8

0.6

0.4

0.2

0.0 400 800 1200 1600 2000

E/N (Td)

Io ni

za tio

n co

effi cie

nt (1

Rose (1956)

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