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Phys. Rev. Lett. 83, 2718–2721 (1999)

Fragment Correlation in the Three-Body Breakup of Triatomic Hydrogen

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U. Müller, Th. Eckert, M. Braun, and H. Helm
Universität Freiburg, Fakultät für Physik, Hermann-Herder-Strasse 3, D-79104 Freiburg, Germany

Received 3 March 1999; published in the issue dated 4 October 1999

We investigate the fragmentation of the triatomic hydrogen molecule H3 in a triple-coincidence experiment. A single rovibronic state of H3 is laser prepared and its breakup into three hydrogen atoms H(1s) is monitored by time- and position-sensitive multihit detectors. For each triple hit, the momentum vectors of the three H(1s) fragments are determined. The sixfold differential cross section of the fragment momentum components in the center-of-mass frame is found to be highly structured and to depend sensitively on the H3 initial electronic state.

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.83.2718
DOI:
10.1103/PhysRevLett.83.2718
PACS:
33.80.Gj, 34.50.Lf, 39.30.+w, 82.50.Fv