Environmental Engineering Reference
In-Depth Information
Figure 2.22 Parameters of excimer molecules.
Figure 2.23 The behavior of the electronic states of the quasimolecule in the case of the har-
poon reaction.
proach in the collision. As a result, the cross section for this type of collision is
much larger than that for an ordinary gas-kinetic collision.
One can demonstrate this process by the example
Ar( 3 P 1 )
Ar Cl
C
Cl 2
!
C
Cl .
(2.94)
We first compare the two electronic states Ar C
Cl 2 at large dis-
tances between the colliding particles. The first state is of lower energy than the
second at large distances by the amount J
Cl 2 and Ar C C
EA
D
1.7 eV, where J
D
4.14 eV is
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