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  Clocking Auger electrons

Haynes, D., Wurzer, M., Schletter, A., Al-Haddad, A., Blaga, C., Bostedt, C., et al. (2021). Clocking Auger electrons. Nature Physics. doi:10.1038/s41567-020-01111-0.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-7A6E-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-B4D6-C
Genre: Journal Article

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 Creators:
Haynes, D.1, 2, 3, Author              
Wurzer, M.4, Author
Schletter, A.4, Author
Al-Haddad, A.4, Author
Blaga, C.4, Author
Bostedt, C.4, Author
Bozek, J.4, Author
Bucher, M.4, Author
Camper, A.4, Author
Carron, S.4, Author
Coffee, R.4, Author
Costello, J. T.4, Author
DiMauro, L. F.4, Author
Ding, Y.4, Author
Ferguson, K.4, Author
Grguraš, I.1, 2, Author              
Helml, W.4, Author
Hoffmann, M. C.4, Author
Ilchen, M.4, Author
Jalas, S.4, Author
Kabachnik, N. M.4, AuthorKazansky, A. K.4, AuthorKienberger, R.4, AuthorMaier, A. R.4, AuthorMaxwell, T.4, AuthorMazza, T.4, AuthorMeyer, M.4, AuthorPark, H.4, AuthorRobinson, J. S.4, AuthorRoedig, C.4, AuthorSchlarb, H.4, AuthorSingla, R.2, 5, Author              Tellkamp, F.2, 6, Author              Zhang, K.4, AuthorDoumy, G.4, AuthorBehrens, C.4, AuthorCavalieri, A. L.1, 2, 3, 7, 8, Author               more..
Affiliations:
1Extreme Timescales, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938294              
2Center for Free-Electron Laser Science, ou_persistent22              
3The Hamburg Centre for Ultrafast Imaging, Universität Hamburg, ou_persistent22              
4external, ou_persistent22              
5Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938293              
6Machine Physics, Scientific Service Units, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2074322              
7Paul Scherrer Institute, Switzerland, ou_persistent22              
8Institute of Applied Physics, University of Bern, ou_persistent22              

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 Abstract: Intense X-ray free-electron lasers (XFELs) can rapidly excite matter, leaving it in inherently unstable states that decay on femtosecond timescales. The relaxation occurs primarily via Auger emission, so excited-state observations are constrained by Auger decay. In situ measurement of this process is therefore crucial, yet it has thus far remained elusive in XFELs owing to inherent timing and phase jitter, which can be orders of magnitude larger than the timescale of Auger decay. Here we develop an approach termed ‘self-referenced attosecond streaking’ that provides subfemtosecond resolution in spite of jitter, enabling time-domain measurement of the delay between photoemission and Auger emission in atomic neon excited by intense, femtosecond pulses from an XFEL. Using a fully quantum-mechanical description that treats the ionization, core-hole formation and Auger emission as a single process, the observed delay yields an Auger decay lifetime of 2.2_−0.3^+0.2 fs for the KLL decay channel.

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Language(s): eng - English
 Dates: 2020-04-062020-11-042021-01-182021
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: arXiv: 2003.10398
DOI: 10.1038/s41567-020-01111-0
 Degree: -

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Title: Nature Physics
  Other : Nat. Phys.
Source Genre: Journal
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Publ. Info: London : Nature Pub. Group
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: ISSN: 1745-2473
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000025850