A UNIFIED MODEL OF THE DYNAMICS AND SPECTROSCOPY OF THE G(3)SIGMA(-)(0) AND E-1-SIGMA(-CHLORIDE() STATES OF HYDROGEN)

The yield, Y, the spin-orbit branching ratio, Gamma, and the angular a nisotropy, beta(2), of Cl atoms produced by predissociation of the E ( 1) Sigma(+) and g (3) Sigma(0)(-) Rydberg states of HCl and DCl are re ported as functions of the rotational angular momentum J. For the E st ate, Y increases with J for HCl and decreases with J for DCl, whereas Gamma and beta(2) are independent of J for both isotopomers. For the g (0) state Y increases with J, whereas Gamma and beta(2) both decrease with J for both isotopomers. The different dynamical behavior of these two O+-symmetry states belonging to the same zero-order electronic co nfiguration is explained in terms of their diabatic characters. (C) 19 98 American Institute of Physics. [S0021-9606(98)00503-0].