2.0 x 10 –15
H2+ + H2 → H + H3+
R16
He + ep → He+ + e + ep
R21
He + hν→ He+ + e
R20
He+ + H → He +
H+
R24
9.35 x 10 –15
He+ + H2 → He +
H2+
R23
4.0 x 10 –18 (250/Te)0.7
He+ + e → He
R22
4.6 x 10 –12 Te –0.65
→ H + H + H
R19
4.6 x 10 –12 Te –0.65
H3+ + H → H2 + H
R18
H3+ + H → H2 + H + H+
R17
Prod
Loss
Prod
Loss
2004ＤＭ２ゼミ
イオンの生成と消滅［H3+, He+］