Hatano Y., Katsumura Y., Mozumder A. (Eds.) Charged Particle and Photon Interactions with Matter - Recent Advances, Applications, and Interfaces

340 Charged Particle and Photon Interactions with Matter

Geminate recombination might lead to H

production in the dissociation of the excited state of the

water molecule as follows, although the existence of such a pathway has not yet been clearly found

experimentally:

e H O H O

pre 2

−

+ →

i *

(13.19)

H O H O

2 2

→ +

(13.20)

The signicance of these processes on the initial yields of e

–

and H

is still not well established and

one of the open questions to be most intensively scrutinized.

13.2.4 a paraMeter alternative to let: (Z

eff