Imaging the mode-selected predissociation of OCS+[(v1v2v3)B2 Sigma+].
A new experimental approach to explore the mode-selected chemistry is proposed and demonstrated here. In this approach a double-resonance excitation scheme is exploited to prepare a well-defined mode or state of a parent ion. A time-sliced velocity imaging technique interrogates the fragment ion from the subsequent predissociation. Application to the title process reveals remarkable mode-specific behaviors despite the long dissociation time associated with the indirect bond-breaking process. A qualitative interpretation of the major findings is surmised.
Chang
Chushuan
C
Institute of Atomic and Molecular Sciences (IAMS), Academia Sinica, P.O. Box 23-166, Taipei, Taiwan 106.
Luo
Chu-Yung
CY
Liu
Kopin
K