Authors

V. Kokoouline;C. H. Greene

Comments

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Abbreviated Journal Title

Phys. Rev. A

Keywords

QUANTUM-DEFECT THEORY; POTENTIAL-ENERGY SURFACE; RYDBERG STATE DYNAMICS; SPECTROSCOPY; SERIES; Optics; Physics, Atomic, Molecular & Chemical

Abstract

We have developed a theoretical method for interpretation of photoionization experiments with the H-3 molecule. In the present study we give a detailed description of the method, which combines multichannel quantum defect theory, the adiabatic hyperspherical approach, and the techniques of outgoing Siegert pseudostates. The present method accounts for vibrational and rotation excitations of the molecule, deals with all symmetry restrictions imposed by the geometry of the molecule, including vibrational, rotational, electronic, and nuclear spin symmetries. The method was recently applied to treat dissociative recombination of the H-3(+) ion. Since H-3(+) dissociative recombination has been a controversial problem, the present study also allows us to test the method on the process of photoionization, which is understood better than dissociative recombination. Good agreement with two photoionization experiments is obtained.

Journal Title

Physical Review A

Volume

69

Issue/Number

3

Publication Date

1-1-2004

Document Type

Article

Language

English

First Page

16

WOS Identifier

WOS:000220605200064

ISSN

1050-2947

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