Rotationally resolved multiphoton ionization photoelectron spectroscopy of the [a ^1Δ]3dπ^2Φ and [a ^1Δ]5pπ^2Φ Rydberg states of the SH radical

Creators: Milan, J. B.; Buma, W. J.; de Lange, C. A.; Wang, Kwanghsi; McKoy, V.

Abstract

Experimental and theoretical results on the rotationally resolved photoelectron spectra of the [a ^1Δ]3dπ^2Φ(v'=0) and the [a^ 1Δ]5pπ^2Φ(v'=0) Rydberg states of the SH radical are presented. In particular, for the former state, ionization via a large number of members of different rotational branches is considered. The interplay between experiment and ab initio calculations, including alignment, allows for a detailed interpretation of the results. Asymmetries apparent in the rotational ionic distributions and the observed suppression of transitions involving a large change in angular momentum can be explained on the basis of the theory.

Additional Information

© 1997 American Institute of Physics. (Received 7 March 1997; accepted 14 May 1997) The group at the University of Amsterdam gratefully acknowledges the Netherlands Organization for Scientific Research (NWO) for equipment grants and for financial support (J.B.M.). Work at the California Institute of Technology was supported by grants from the Air Force Office of Scientific Research and the Office of Health and Environmental Research of the U.S. Department of Energy. We also acknowledge use of the resources of the Jet Propulsion Laboratory/California Institute of Technology CRAY Y-MP2E/232 supercomputer. Both groups gratefully acknowledge NATO for collaborative Grant No. CRG930183.

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