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@ARTICLE{Allum:643549,
      author       = {Allum, Felix and Kumagai, Yoshiaki and Nagaya, Kiyonobu and
                      Harries, James R. and Iwayama, Hiroshi and Britton, Mathew
                      and Bucksbaum, Philip H. and Burt, Michael and Brouard, Mark
                      and Downes-Ward, Briony and Driver, Taran and Heathcote,
                      David and Hockett, Paul and Howard, Andrew J. and Lee, Jason
                      Wai Lung and Liu, Yusong and Kukk, Edwin and McManus, Joseph
                      W. and Milešević, Dennis and Minns, Russell S. and Niozu,
                      Akinobu and Niskanen, Johannes and Orr-Ewing, Andrew J. and
                      Owada, Shigeki and Robertson, Patrick and Rolles, Daniel and
                      Rudenko, Artem and Ueda, Kiyoshi and Unwin, James and
                      Vallance, Claire and Walmsley, Tiffany and Ashfold, Michael
                      N. R. and Forbes, Ruaridh},
      title        = {{T}ime-resolved momentum imaging of {UV} photodynamics in
                      structural isomers of iodopropane probed by site-selective
                      {XUV} ionization},
      journal      = {Physical chemistry, chemical physics},
      volume       = {27},
      number       = {38},
      issn         = {1463-9076},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {PUBDB-2026-00279},
      pages        = {20602 - 20613},
      year         = {2025},
      note         = {Waiting for fulltext},
      abstract     = {The photodynamics of 1- and 2-iodopropane (1 and 2-IP) were
                      studied in a time-resolved scheme incorporating ultraviolet
                      (UV) excitation and extreme ultraviolet (XUV) probing, which
                      initiates photoionization selectively from the I 4d core
                      orbital. UV absorption in the A-band of both isomers leads
                      to prompt C–I bond fission, with significant disposal of
                      internal energy into the propyl radical product.
                      Site-selective ionization enables a range of charge transfer
                      (CT) processes between the nascent highly charged iodine
                      ions and neutral propyl radicals, dependent on the
                      interfragment distance at the instant of ionization. Subtle
                      differences in the dynamics of these CT processes between
                      the two isomers are observed. In 1-IP, the kinetic energies
                      of iodine ions produced by UV photodissociation and
                      subsequent XUV multiple ionization increased notably over
                      the first few hundred femtoseconds, which could be
                      understood in terms of differing gradients along the
                      photodissociation coordinates of the neutral and
                      polycationic states involved in the pump and probe steps,
                      respectively. Led by a recent report of HI elimination in UV
                      photoexcited 2-IP [Todt et al., Phys. Chem. Chem. Phys.,
                      22(46), 27338 (2020)], we also model the most likely
                      signatures of this process in the present experiment, and
                      can identify signal in the 2-IP data (that is absent or
                      significantly weaker in the data from the unbranched 1-IP
                      isomer) that is consistent with such a process occurring on
                      ultrafast timescales.},
      cin          = {CFEL-UDSS},
      ddc          = {540},
      cid          = {I:(DE-H253)CFEL-UDSS-20160914},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631)},
      pid          = {G:(DE-HGF)POF4-631},
      experiment   = {EXP:(DE-MLZ)External-20140101},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1039/D5CP02929E},
      url          = {https://bib-pubdb1.desy.de/record/643549},
}