Zivanov S, Allan M, Cízek M, Horácek J, Thiel FAU, Hotop H. Effects of interchannel coupling in associative detachment: electron spectra for H+Cl- and H+Br- collisions.
PHYSICAL REVIEW LETTERS 2002;
89:073201. [PMID:
12190519 DOI:
10.1103/physrevlett.89.073201]
[Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2002] [Indexed: 05/23/2023]
Abstract
We present experimental and theoretical energy spectra of the electrons detached in collisions of slow Cl- and Br- ions with atomic hydrogen. Nonlocal resonance theory predicts two kinds of features in the spectra: steplike structures associated with rovibrational onsets and steep rises associated with interchannel coupling, the latter being absent in a calculation using the simpler local-complex potential theory. Our experimental spectra confirm the presence of both types of structures and thus the necessity of including interchannel coupling to properly describe the product-state distribution.
Collapse