Double Core-Hole Production in ${\mathbf{N}}_{2}$: Beating the Auger Clock

Double Core-Hole Production in $N_{2}$ : Beating the Auger Clock

L. Fang, M. Hoener, O. Gessner, F. Tarantelli, S. T. Pratt, O. Kornilov, C. Buth, M. Gühr, E. P. Kanter, C. Bostedt, J. D. Bozek, P. H. Bucksbaum, M. Chen, R. Coffee, J. Cryan, M. Glownia, E. Kukk, S. R. Leone, and N. Berrah

Phys. Rev. Lett. 105, 083005 – Published 20 August 2010

Abstract

We investigate the creation of double $K$ -shell holes in $N_{2}$ molecules via sequential absorption of two photons on a time scale shorter than the core-hole lifetime by using intense x-ray pulses from the Linac Coherent Light Source free electron laser. The production and decay of these states is characterized by photoelectron spectroscopy and Auger electron spectroscopy. In molecules, two types of double core holes are expected, the first with two core holes on the same N atom, and the second with one core hole on each N atom. We report the first direct observations of the former type of core hole in a molecule, in good agreement with theory, and provide an experimental upper bound for the relative contribution of the latter type.

Received 23 June 2010

DOI:https://doi.org/10.1103/PhysRevLett.105.083005

Authors & Affiliations

L. Fang^1,*, M. Hoener^1,2, O. Gessner³, F. Tarantelli⁴, S. T. Pratt⁵, O. Kornilov³, C. Buth^6,7, M. Gühr⁶, E. P. Kanter⁵, C. Bostedt⁸, J. D. Bozek⁸, P. H. Bucksbaum⁶, M. Chen⁹, R. Coffee⁸, J. Cryan⁶, M. Glownia⁶, E. Kukk¹⁰, S. R. Leone^3,11, and N. Berrah^1,†

¹Physics Department, Western Michigan University, Kalamazoo, Michigan 49008, USA
²Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
³Ultrafast X-ray Science Laboratory, Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
⁴Dipartimento di Chimica, Universitàdi Perugia, and ISTM-CNR, 06123 Perugia, Italy
⁵Argonne National Laboratory, Argonne, Illinois 60439, USA
⁶The PULSE Institute for Ultrafast Energy Science, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
⁷Department of Physics, Louisiana State University, Baton Rouge, Louisiana 70803, USA
⁸Linac Coherent Light Source, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
⁹Lawrence Livermore National Laboratory, Livermore, California 94550, USA
¹⁰Department of Physics and Astronomy, University of Turku 20014 Turku, Finland
¹¹Departments of Chemistry and Physics, University of California Berkeley, California 94710, USA

^*Corresponding author. lifang@slac.stanford.edu
^†Corresponding author. nora.berrah@wmich.edu

Auger Electron Angular Distribution of Double Core-Hole States in the Molecular Reference Frame

James P. Cryan et al.

Phys. Rev. Lett. 105, 083004 (2010)

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Vol. 105, Iss. 8 — 20 August 2010

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Physical Review Letters

Double Core-Hole Production in $N_{2}$ : Beating the Auger Clock

L. Fang, M. Hoener, O. Gessner, F. Tarantelli, S. T. Pratt, O. Kornilov, C. Buth, M. Gühr, E. P. Kanter, C. Bostedt, J. D. Bozek, P. H. Bucksbaum, M. Chen, R. Coffee, J. Cryan, M. Glownia, E. Kukk, S. R. Leone, and N. Berrah

Phys. Rev. Lett. 105, 083005 – Published 20 August 2010

Abstract

Authors & Affiliations

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Auger Electron Angular Distribution of Double Core-Hole States in the Molecular Reference Frame

James P. Cryan et al.

Phys. Rev. Lett. 105, 083004 (2010)

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Physical Review Letters

Double Core-Hole Production in N2: Beating the Auger Clock

L. Fang, M. Hoener, O. Gessner, F. Tarantelli, S. T. Pratt, O. Kornilov, C. Buth, M. Gühr, E. P. Kanter, C. Bostedt, J. D. Bozek, P. H. Bucksbaum, M. Chen, R. Coffee, J. Cryan, M. Glownia, E. Kukk, S. R. Leone, and N. Berrah

Phys. Rev. Lett. 105, 083005 – Published 20 August 2010

Abstract

Authors & Affiliations

See Also

Auger Electron Angular Distribution of Double Core-Hole States in the Molecular Reference Frame

James P. Cryan et al.

Phys. Rev. Lett. 105, 083004 (2010)

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Double Core-Hole Production in $N_{2}$ : Beating the Auger Clock