6.3 x 10
–18
(300/Te)
0.7
H
+
+ e
¨
H
R6
H
2
+ h
ƒË
¨
H
2
+
+ e
R8
1.0 x 10
–15
e
–21960/T
H
+
+ H
2
¨
H + H
2
+
R7
H + e
p
¨
H
+
+ e + e
p
R5
4.2 x 10
–19
H
2
+ He
+
¨
H
2
+
+ He
R10
1.0 x 10
–15
e
–21960/T
H
2
+ H
+
¨
H
2
+
+ H
R9
2.0 x 10
–15
H
3
+
+ H
¨
H
2
+
+ H
2
R11
8.8 x 10
–20
He
+
+ H
2
¨
H
+
+ He + e
R4
H
2
+ e
p
¨
H
2
+
+ e + e
p
R12
6.4 x 10
–16
H + H
2
+
¨
H
+
+ H
2
R3
H
2
+ h
ƒË
¨
H
+
+ H + e
R2
H + h
ƒË
¨
H
+
+ e
R1
2004
‚c‚l‚Qƒ[ƒ~
‚RDŒõ‰»Šw”½‰žŽ®
[m
-3
/s]
H
+
(Prod)
H
+
(loss)
H
2
+
(Prod)