Near-ultraviolet luminescence of N2 irradiated by short x-ray pulses

Stefan P. Hau-Riege; Richard M. Bionta; Dmitri D. Ryutov; Richard A. London; Elden Ables; Keith I. Kishiyama; Stewart Shen; Mark A. McKernan; Donn H. McMahon; Marc Messerschmidt; Jacek Krzywinski; Peter Stefan; James Turner; Beata Ziaja

doi:10.1103/PhysRevLett.105.043003

Near-ultraviolet luminescence of N₂ irradiated by short x-ray pulses

Stefan P. Hau-Riege, Richard M. Bionta, Dmitri D. Ryutov, Richard A. London, Elden Ables, Keith I. Kishiyama, Stewart Shen, Mark A. McKernan, Donn H. McMahon, Marc Messerschmidt, Jacek Krzywinski, Peter Stefan, James Turner, Beata Ziaja

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Abstract

The Linac Coherent Light Source is an x-ray free-electron laser that recently demonstrated lasing in the 1.5-15 Å wavelength range. We report on luminescence measurements of a molecular nitrogen gas irradiated by ∼2mJ, 80 fs x-ray pulses at energies of 0.83, 2.7, and 8.3 keV. These results provide a direct test of our current understanding of photoabsorption, electron dynamics, and fluorescence processes for such intense, ultrashort x-ray pulses. At 0.83 keV, the duration of the fluorescence signal depends strongly on space-charge effects. At 8.3 keV, space-charge effects are weak, and the signal duration is determined by the Auger electron dynamics.

Original language	English (US)
Article number	043003
Journal	Physical Review Letters
Volume	105
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevLett.105.043003
State	Published - Jul 23 2010
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.105.043003

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Hau-Riege, S. P., Bionta, R. M., Ryutov, D. D., London, R. A., Ables, E., Kishiyama, K. I., Shen, S., McKernan, M. A., McMahon, D. H., Messerschmidt, M., Krzywinski, J., Stefan, P., Turner, J., & Ziaja, B. (2010). Near-ultraviolet luminescence of N₂ irradiated by short x-ray pulses. Physical Review Letters, 105(4), Article 043003. https://doi.org/10.1103/PhysRevLett.105.043003

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title = "Near-ultraviolet luminescence of N2 irradiated by short x-ray pulses",

abstract = "The Linac Coherent Light Source is an x-ray free-electron laser that recently demonstrated lasing in the 1.5-15 {\AA} wavelength range. We report on luminescence measurements of a molecular nitrogen gas irradiated by ∼2mJ, 80 fs x-ray pulses at energies of 0.83, 2.7, and 8.3 keV. These results provide a direct test of our current understanding of photoabsorption, electron dynamics, and fluorescence processes for such intense, ultrashort x-ray pulses. At 0.83 keV, the duration of the fluorescence signal depends strongly on space-charge effects. At 8.3 keV, space-charge effects are weak, and the signal duration is determined by the Auger electron dynamics.",

author = "Hau-Riege, {Stefan P.} and Bionta, {Richard M.} and Ryutov, {Dmitri D.} and London, {Richard A.} and Elden Ables and Kishiyama, {Keith I.} and Stewart Shen and McKernan, {Mark A.} and McMahon, {Donn H.} and Marc Messerschmidt and Jacek Krzywinski and Peter Stefan and James Turner and Beata Ziaja",

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doi = "10.1103/PhysRevLett.105.043003",

language = "English (US)",

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T1 - Near-ultraviolet luminescence of N2 irradiated by short x-ray pulses

AU - Hau-Riege, Stefan P.

AU - Bionta, Richard M.

AU - Ryutov, Dmitri D.

AU - London, Richard A.

AU - Ables, Elden

AU - Kishiyama, Keith I.

AU - Shen, Stewart

AU - McKernan, Mark A.

AU - McMahon, Donn H.

AU - Messerschmidt, Marc

AU - Krzywinski, Jacek

AU - Stefan, Peter

AU - Turner, James

AU - Ziaja, Beata

PY - 2010/7/23

Y1 - 2010/7/23

N2 - The Linac Coherent Light Source is an x-ray free-electron laser that recently demonstrated lasing in the 1.5-15 Å wavelength range. We report on luminescence measurements of a molecular nitrogen gas irradiated by ∼2mJ, 80 fs x-ray pulses at energies of 0.83, 2.7, and 8.3 keV. These results provide a direct test of our current understanding of photoabsorption, electron dynamics, and fluorescence processes for such intense, ultrashort x-ray pulses. At 0.83 keV, the duration of the fluorescence signal depends strongly on space-charge effects. At 8.3 keV, space-charge effects are weak, and the signal duration is determined by the Auger electron dynamics.

AB - The Linac Coherent Light Source is an x-ray free-electron laser that recently demonstrated lasing in the 1.5-15 Å wavelength range. We report on luminescence measurements of a molecular nitrogen gas irradiated by ∼2mJ, 80 fs x-ray pulses at energies of 0.83, 2.7, and 8.3 keV. These results provide a direct test of our current understanding of photoabsorption, electron dynamics, and fluorescence processes for such intense, ultrashort x-ray pulses. At 0.83 keV, the duration of the fluorescence signal depends strongly on space-charge effects. At 8.3 keV, space-charge effects are weak, and the signal duration is determined by the Auger electron dynamics.

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JO - Physical Review Letters

JF - Physical Review Letters

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ER -

Near-ultraviolet luminescence of N₂ irradiated by short x-ray pulses

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