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Phys Rev Lett. 2001 Jul 02;87(1):013002. doi: 10.1103/PhysRevLett.87.013002. Epub 2001 Jun 18.

Photoelectron diffraction mapping: molecules illuminated from within.

Physical review letters

A Landers, T Weber, I Ali, A Cassimi, M Hattass, O Jagutzki, A Nauert, T Osipov, A Staudte, M H Prior, H Schmidt-Böcking, C L Cocke, R Dörner

Affiliations

  1. Department of Physics, Western Michigan University, Kalamazoo, Michigan 49008, USA. [email protected]

PMID: 11461463 DOI: 10.1103/PhysRevLett.87.013002

Abstract

We demonstrate the use of a multiparticle coincidence technique to image the diffraction of an electron wave whose source is placed at a specific site in a free molecule. Core-level photoelectrons are used to illuminate the molecule from within. By measuring the vector momenta of two molecular fragments and the photoelectron, a richly structured electron diffraction pattern is obtained in a body-fixed frame of the randomly oriented molecule in the gas phase. We illustrate this technique for CO, creating a photoelectron from the C(1s) shell and scanning its energy from zero to 30 eV.

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