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Direct momentum imaging of charge transfer following site-selective ionization

Journal Article · · Physical Review A
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  1. University of Oxford (United Kingdom); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); SLAC
  2. Tokyo University of Agriculture and Technology (Japan)
  3. Kyoto University (Japan)
  4. QST, Hyogo (Japan)
  5. Institute for Molecular Science, Okazaki (Japan); Sokendai (The Graduate University for Advanced Studies), Okazaki (Japan)
  6. SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
  7. University of Oxford (United Kingdom)
  8. University of Southampton (United Kingdom)
  9. National Research Council of Canada, Ottawa (Canada)
  10. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  11. University of Turku (Finland)
  12. Hiroshima University, Higashi-Hiroshima (Japan)
  13. University of Bristol (United Kingdom)
  14. RIKEN SPring-8 Center, Hyogo (Japan); Japan Synchrotron Radiation Research Institute, Hyogo (Japan)
  15. Kansas State University, Manhattan, KS (United States)
  16. Tohoku University, Sendai (Japan)
+ Show Author Affiliations
We study ultrafast charge rearrangement in dissociating 2-iodopropane (2-C3H7I) using site-selective core-ionization at the iodine atom. Clear signatures of electron transfer between the neutral propyl fragment and multiply charged iodine ions are observed in the recorded delay-dependent ion momentum distributions. The detected charge transfer pathway is only favorable within a small (few angstrom), charge-state-dependent spatial window located at C-I distances longer than that of the neutral ground-state molecule. Lastly, these results offer new insights into the physics underpinning charge transfer in isolated molecules and pave the way for a new class of time-resolved studies.
Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
EPSRC Programme; JSPS KAKENHI; USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-76SF00515; FG02-86ER13491
OSTI ID:
2006855
Journal Information:
Physical Review A, Journal Name: Physical Review A Journal Issue: 4 Vol. 108; ISSN 2469-9926
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
Autoionization & Auger processes
Electronic excitation & ionization
Electronic structure of atoms & molecules
Multiphoton or tunneling ionization & excitation
Photoemission
Single- and few-photon ionization & excitation
Ultrafast phenomena