Experimental observation of rotational doppler broadening in a molecular system

T. D. Thomas, E. Kukk, K. Ueda, T. Ouchi, K. Sakai, T. X. Carroll, C. Nicolas, O. Travnikova, C. Miron

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Abstract

The first experimental evidence of rotational Doppler broadening in photoelectron spectra, reported here, show good agreement with recently described theoretical predictions. The dependence of the broadening on temperature and photoelectron kinetic energy is quantitatively predicted by the theory. The experiments verify that the rotational contributions to the linewidth are comparable to those from translational Doppler broadening and must be considered in the analysis of high-resolution photoelectron spectra. A classical model accounting for this newly observed effect is presented.

Original languageEnglish
Article number193009
JournalPhysical review letters
Volume106
Issue number19
DOIs
Publication statusPublished - 2011 May 13

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Thomas, T. D., Kukk, E., Ueda, K., Ouchi, T., Sakai, K., Carroll, T. X., Nicolas, C., Travnikova, O., & Miron, C. (2011). Experimental observation of rotational doppler broadening in a molecular system. Physical review letters, 106(19), [193009]. https://doi.org/10.1103/PhysRevLett.106.193009