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Selective negative-ion formation from core-valence doubly excited states of the water molecule

Stråhlman, Christian LU ; Moog, Bruno ; Ertan, Emelie ; Odelius, Michael ; Kivimäki, Antti LU ; Richter, Robert and Sankari, Rami LU (2018) In Physical Review A 98(5).
Abstract

This study focuses on the role of negative-ion formation in the decay of core-valence doubly excited water molecules. Combining negative- and positive-ion coincidence measurements with calculated energies of core-valence doubly excited states, we find that O- and H- production is enhanced selectively. In particular, we suggest that O- production is correlated to double occupancy of the antibonding 4a1 virtual orbital, while H- appears at electronic states with double occupancy in 2b2. We also show that H- and O- can be created as a result of electron recapture close to the O 1s ionization potential.

Please use this url to cite or link to this publication:
author
; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review A
volume
98
issue
5
article number
053432
publisher
American Physical Society
external identifiers
  • scopus:85057522237
ISSN
2469-9926
DOI
10.1103/PhysRevA.98.053432
language
English
LU publication?
yes
id
d03492bd-d1b4-4ff6-80b9-c34fd725a312
date added to LUP
2018-12-10 14:41:09
date last changed
2021-08-18 05:26:32
@article{d03492bd-d1b4-4ff6-80b9-c34fd725a312,
  abstract     = {<p>This study focuses on the role of negative-ion formation in the decay of core-valence doubly excited water molecules. Combining negative- and positive-ion coincidence measurements with calculated energies of core-valence doubly excited states, we find that O- and H- production is enhanced selectively. In particular, we suggest that O- production is correlated to double occupancy of the antibonding 4a1 virtual orbital, while H- appears at electronic states with double occupancy in 2b2. We also show that H- and O- can be created as a result of electron recapture close to the O 1s ionization potential.</p>},
  author       = {Stråhlman, Christian and Moog, Bruno and Ertan, Emelie and Odelius, Michael and Kivimäki, Antti and Richter, Robert and Sankari, Rami},
  issn         = {2469-9926},
  language     = {eng},
  month        = {11},
  number       = {5},
  publisher    = {American Physical Society},
  series       = {Physical Review A},
  title        = {Selective negative-ion formation from core-valence doubly excited states of the water molecule},
  url          = {http://dx.doi.org/10.1103/PhysRevA.98.053432},
  doi          = {10.1103/PhysRevA.98.053432},
  volume       = {98},
  year         = {2018},
}