Phys. Rev. Lett. 94, 213202 (2005) [4 pages]Observation of a Molecular Frame (e,2e) Cross Section: An (e,2e+M) Triple Coincidence Study on H2Received 22 September 2004; published 2 June 2005 We report the first experimental results showing transition-specific anisotropy of molecular frame (e,2e) cross sections. Vector correlations between the two outgoing electrons and the fragment ion have been measured for specific ionization-excitation processes of H2. The results enable us to obtain molecular frame (e,2e) cross sections for transitions to the 2sσg and 2pσu excited states of H2+, thereby making stereodynamics of the electron-molecule collisions directly visible. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.94.213202
DOI:
10.1103/PhysRevLett.94.213202
PACS:
34.80.Gs, 34.80.Ht, 34.90.+q
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