u 1\ b v 10 / 9 -10 10 -II 10 _I 10 10 / , ·· ··· · · ·· 1 . ...... .. 16 b 17 -18 10 ... TorE(eV) E u ... 10 2 - N ..... 6 eV. 85 eV. 6 eV. 85 eV. Equipartition of dissociation energy is assumed. (3) The state (2pou; n~AIQ21nu) is an autodissociating state. = I-~ I-- ~ - en ....... " I e + H2(X ' ~g)-e + H~(2pCTU; n l A Q2'IIu)~ ~ ~ -e+H*(2p)+ H*(2s) 10 '6 108 N u ,... > b v E u 10 10 '7 9 I II -10 10 I ,, '. b '" 10 ... 5 eV. 5 eV. 5 eV. 5 HO H* 1S eV. (3) (2pou; n=3) is a group of autodissociating states over which an average performed.

10 16 168 It) E > v E u 1\ b - N u 16 i'- I 9 I II -10 10 J . .. '. ·· 10 '7 .. "- -18 10 .. -II 10 "" b -19 -I 10 10 ' 10 2 TorE(eV) 10 4 10 55 Cross section: Eth - 10 3 eV'• Reference: diss a. a 10n exp • Takayanagi and Suzuki (1978) diss a. 4 eV and is obtained from + H v,FC the average vibrational energy of H; (which approximately coincides with that Comment: for the state v ~ v = 3), For E_ , see Sect. 5. e2 56 and then averaged over the Franck-Condon region. -14 -6 10 10 e+ H~(v)-e+ H++ H++e,{v=0-9) en ~ 10 16 108 E / .