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@ARTICLE{Durkan:619113,
      author       = {Durkan, Stephen and Richardson, Vincent and Forembski,
                      Andrew and Varvarezos, Lazaros and Cubaynes, Denis and
                      Düsterer, Stefan and Juranić, Pavle and Li, Wenbin and
                      Richter, Mathias and Tiedtke, Kai and Meyer, Michael and
                      Nikolopoulos, Lampros and Costello, John},
      title        = {{M}ultiphoton single and double ionization of neon in the
                      {EUV}},
      journal      = {Journal of physics / B},
      volume       = {58},
      number       = {1},
      issn         = {0953-4075},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {PUBDB-2024-07400},
      pages        = {015601},
      year         = {2024},
      abstract     = {New information demonstrating the importance of both
                      sequential and simultaneous (or direct) multiphoton
                      ionization of inner shell electrons from neon is discussed
                      in this paper. Ne was irradiated with intense 93 eV free
                      electron laser (FEL) pulses at FLASH and studied with the
                      aid of photoelectron spectrometry. This resulted in two and
                      three photon, single and double ionization of neon, removing
                      electrons from 2s and 2p subshells of the neutral Ne atom in
                      multiple different pathways. The spectral features of the
                      photoelectrons were identified through comparison with the
                      NIST database and field averaged time-dependent density
                      matrix theory. The calculations show the direct multiphoton
                      ionization processes to be extremely sensitive to the
                      focused FEL intensity.},
      cin          = {DOOR ; HAS-User / FS-FLASH-D / $XFEL_E2_SQS$},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731 /
                      I:(DE-H253)FS-FLASH-D-20160930 /
                      $I:(DE-H253)XFEL_E2_SQS-20210408$},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631) / 6G2 - FLASH (DESY) (POF4-6G2) / DFG project
                      G:(GEPRIS)170620586 - SFB 925: Licht-induzierte Dynamik und
                      Kontrolle korrelierter Quantensysteme (170620586)},
      pid          = {G:(DE-HGF)POF4-631 / G:(DE-HGF)POF4-6G2 /
                      G:(GEPRIS)170620586},
      experiment   = {EXP:(DE-H253)F-BL3-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001370822800001},
      doi          = {10.1088/1361-6455/ad4078},
      url          = {https://bib-pubdb1.desy.de/record/619113},
}