Subnatural Linewidths in Core Level Excitation Spectra

Kivimäki, A.; Maier, Klaus; Hergenhahn, Uwe; Piancastelli, Maria Novella; Kempgens, Brigitte; Rüdel, Andy; Bradshaw, Alexander M.

doi:10.1103/PhysRevLett.81.301

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Subnatural Linewidths in Core Level Excitation Spectra

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Maier, Klaus
Fritz Haber Institute, Max Planck Society;

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Hergenhahn, Uwe
Fritz Haber Institute, Max Planck Society;

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Piancastelli, Maria Novella
Fritz Haber Institute, Max Planck Society;

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Kempgens, Brigitte
Fritz Haber Institute, Max Planck Society;

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Rüdel, Andy
Fritz Haber Institute, Max Planck Society;

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Bradshaw, Alexander M.
Fritz Haber Institute, Max Planck Society;

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Citation

Kivimäki, A., Maier, K., Hergenhahn, U., Piancastelli, M. N., Kempgens, B., Rüdel, A., et al. (1998). Subnatural Linewidths in Core Level Excitation Spectra. Physical Review Letters, 81(2), 301-304. doi:10.1103/PhysRevLett.81.301.

Cite as: https://hdl.handle.net/21.11116/0000-0008-B478-6

Abstract

We have measured a core excitation spectrum on the N2 1s→π* transition in which the experimental linewidth is limited by the instrumental resolution rather than by the lifetime of the core hole. The measurement is performed by recording the partial yield of resonant Auger electrons within a fixed kinetic energy window. The factors contributing to the line shape and the general applicability of the method are discussed.