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@ARTICLE{Lever:453657,
      author       = {Lever, Fabiano and Mayer, Dennis and Picconi, D. and Metje,
                      Jan and Alisauskas, S. and Calegari, F. and Düsterer, S.
                      and Ehlert, C. and Feifel, R. and Niebuhr, M. and
                      Manschwetus, B. and Kuhlmann, Marion and Mazza, T. and
                      Robinson, M. S. and Squibb, R. J. and Trabattoni, A. and
                      Wallner, M. and Saalfrank, P. and Wolf, T. J. A. and Guehr,
                      Markus},
      title        = {{U}ltrafast dynamics of 2-thiouracil investigated by
                      time-resolved {A}uger spectroscopy},
      journal      = {Journal of physics / B},
      volume       = {54},
      number       = {1},
      issn         = {0022-3700},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {PUBDB-2021-00088},
      pages        = {014002},
      year         = {2020},
      abstract     = {We present time-resolved ultraviolet-pump x-ray probe Auger
                      spectra of 2-thiouracil. An ultraviolet induced shift
                      towards higher kinetic energies is observed in the sulfur 2p
                      Auger decay. The difference Auger spectra of pumped and
                      unpumped molecules exhibit ultrafast dynamics in the shift
                      amplitude, in which three phases can be recognized. In the
                      first 100 fs, a shift towards higher kinetic energies is
                      observed, followed by a 400 fs shift back to lower kinetic
                      energies and a 1 ps shift again to higher kinetic energies.
                      We use a simple Coulomb-model, aided by quantum chemical
                      calculations of potential energy states, to deduce a C–S
                      bond expansion within the first 100 fs. The bond elongation
                      triggers internal conversion from the photoexcited S$_2$ to
                      the S$_1$ state. Based on timescales, the subsequent
                      dynamics can be interpreted in terms of S$_1$ nuclear
                      relaxation and S$_1$-triplet internal conversion.},
      cin          = {DOOR ; HAS-User / FS-LA / FS-FLASH-O / CFEL-ATTO /
                      FS-FLASH-D},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)FS-LA-20130416 /
                      I:(DE-H253)FS-FLASH-O-20160930 /
                      I:(DE-H253)CFEL-ATTO-20180413 /
                      I:(DE-H253)FS-FLASH-D-20160930},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631) / 6G2 - FLASH (DESY) (POF4-6G2) / STARLIGHT -
                      Steering attosecond electron dynamics in biomolecules with
                      UV-XUV LIGHT pulses (637756)},
      pid          = {G:(DE-HGF)POF4-631 / G:(DE-HGF)POF4-6G2 /
                      G:(EU-Grant)637756},
      experiment   = {EXP:(DE-H253)F-FL24-20150901},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000600813400001},
      doi          = {10.1088/1361-6455/abc9cb},
      url          = {https://bib-pubdb1.desy.de/record/453657},
}