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Size effects in angle-resolved photoelectron spectroscopy of free rare-gas clusters

D. Rolles, H. Zhang, Z. D. Pešić, R. C. Bilodeau, A. Wills, E. Kukk, B. S. Rude, G. D. Ackerman, J. D. Bozek, R. Díez Muiño, F. J. García de Abajo, N. Berrah
2007 Physical Review A. Atomic, Molecular, and Optical Physics  
The photoionization of free Xe clusters is investigated by angle-resolved time-of-flight photoelectron spectroscopy. The measurements probe the evolution of the photoelectron angular distribution parameter as a function of photon energy and cluster size. While the overall photon-energy-dependent behavior of the photoelectrons from the clusters is very similar to that of the free atoms, distinct differences in the angular distribution point at cluster-size-dependent effects. Multiple scattering
more » ... ultiple scattering calculations trace their origin to elastic photoelectron scattering.
doi:10.1103/physreva.75.031201 fatcat:ft6ll4xu2jgpjptw2vigm4wua4