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@ARTICLE{Jahnke:623850,
      author       = {Jahnke, Till and Mai, Sebastian and Bhattacharyya, Surjendu
                      and Chen, Keyu and Boll, Rebecca and Castellani, Maria Elena
                      and Dold, Simon and Duley, Avijit and Frühling, Ulrike and
                      Green, Alice E. and Ilchen, Markus and Ingle, Rebecca and
                      Kastirke, Gregor and Lam, Huynh Van Sa and Lever, Fabiano
                      and Mayer, Dennis and Mazza, Tommaso and Mullins, Terence
                      and Ovcharenko, Yevheniy and Senfftleben, Björn and
                      Trinter, Florian and Noor, Atia Tul and Usenko, Sergey and
                      Venkatachalam, Anbu Selvam and Rudenko, Artem and Rolles,
                      Daniel and Meyer, Michael and Ibrahim, Heide and Gühr,
                      Markus},
      title        = {{D}irect observation of ultrafast symmetry reduction during
                      internal conversion of 2-thiouracil using {C}oulomb
                      explosion imaging},
      journal      = {Nature Communications},
      volume       = {16},
      issn         = {2041-1723},
      address      = {[London]},
      publisher    = {Springer Nature},
      reportid     = {PUBDB-2025-00802, arXiv:2405.15367},
      pages        = {2074},
      year         = {2025},
      note         = {19 pages, 8 figures. Title is: Direct observation of
                      ultrafast symmetry reduction during internal conversion
                      2-thiouracil using Coulomb explosion imagingBitte mit dem},
      abstract     = {The photochemistry of heterocyclic molecules plays a
                      decisive role for processes and applications like DNA
                      photo-protection from UV damage and organic photocatalysis.
                      The photochemical reactivity of heterocycles is determined
                      by the redistribution of photoenergy into electronic and
                      nuclear degrees of freedom, initially involving ultrafast
                      internal conversion. Most heterocycles are planar in their
                      ground state and internal conversion requires symmetry
                      breaking. To lower the symmetry, the molecule must undergo
                      an out-of-plane motion, which has not yet been observed
                      directly. Here we show using the example of 2-thiouracil,
                      how Coulomb explosion imaging can be utilized to extract
                      comprehensive information on this molecular deformation,
                      linking the extracted deplanarization of the molecular
                      geometry to the previously studied temporal evolution of its
                      electronic properties. Particularly, the protons of the
                      exploded molecule are well-suited messengers carrying rich
                      information on its geometry at distinct times after
                      electronic excitation. We expect that our new analysis
                      approach centered on these peripheral protons can be adapted
                      as a general concept for future time-resolved studies of
                      complex molecules in the gas phase.},
      cin          = {DOOR ; HAS-User / FS-FLASH / $XFEL_E2_SQS$ / FS-FLASH-O /
                      FS-PETRA-S},
      ddc          = {500},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)FS-FLASH-20140814
                      / $I:(DE-H253)XFEL_E2_SQS-20210408$ /
                      I:(DE-H253)FS-FLASH-O-20160930 /
                      I:(DE-H253)FS-PETRA-S-20210408},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631) / 6G2 - FLASH (DESY) (POF4-6G2) / AIM, DFG
                      project G:(GEPRIS)390715994 - EXC 2056: CUI: Advanced
                      Imaging of Matter (390715994) / DFG project
                      G:(GEPRIS)509471550 - Dynamik photoionisations-induzierter
                      Prozesse in laser-präparierten Molekülen in der Gasphase
                      und der wässrigen Phase (509471550) / 123-CO - Spying on
                      Ultrafast Structural Changes Through Three Sets of Eyes
                      (101067645)},
      pid          = {G:(DE-HGF)POF4-631 / G:(DE-HGF)POF4-6G2 /
                      G:(GEPRIS)390715994 / G:(GEPRIS)509471550 /
                      G:(EU-Grant)101067645},
      experiment   = {EXP:(DE-H253)F-FL24-20150901},
      typ          = {PUB:(DE-HGF)16},
      eprint       = {2405.15367},
      howpublished = {arXiv:2405.15367},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2405.15367;\%\%$},
      pubmed       = {pmid:40021641},
      UT           = {WOS:001435592900010},
      doi          = {10.1038/s41467-025-57083-3},
      url          = {https://bib-pubdb1.desy.de/record/623850},
}