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Photodissociation as a probe of the H 3 + avoided crossing seam
Experiments are conducted to investigate the role of the avoided crossing seam in the photodissociation of H . Three-dimensional imaging of dissociation products is used to determine the kinetic energy release and branching ratio among the fragmentation channels. Vibrational distributions are measur...
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| Published in: | Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences physical, and engineering sciences, 2019-09, Vol.377 (2154), p.20180399 |
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| Main Authors: | , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c232t-f219ac5cda3fd0def05d801e1b4bdcd1ca5e952f4db4940c5632668e7cbbf6063 |
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| cites | cdi_FETCH-LOGICAL-c232t-f219ac5cda3fd0def05d801e1b4bdcd1ca5e952f4db4940c5632668e7cbbf6063 |
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| container_issue | 2154 |
| container_start_page | 20180399 |
| container_title | Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences |
| container_volume | 377 |
| creator | Urbain, X Dochain, A Marion, R Launoy, T Loreau, J |
| description | Experiments are conducted to investigate the role of the avoided crossing seam in the photodissociation of H
. Three-dimensional imaging of dissociation products is used to determine the kinetic energy release and branching ratio among the fragmentation channels. Vibrational distributions are measured by dissociative charge transfer of H
products. It is found that the photodissociation of hot H
in the near-ultraviolet produces cold H
, but hot H
. Modelling the wavepacket dynamics along the repulsive potential energy surface accounts for the repopulation of the ground potential energy surface. The role of the avoided crossing seam is emphasized and its importance for the astrophysically relevant charge transfer reactions underlined. This article is part of a discussion meeting issue 'Advances in hydrogen molecular ions: H
, H
and beyond'. |
| doi_str_mv | 10.1098/rsta.2018.0399 |
| format | article |
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products. It is found that the photodissociation of hot H
in the near-ultraviolet produces cold H
, but hot H
. Modelling the wavepacket dynamics along the repulsive potential energy surface accounts for the repopulation of the ground potential energy surface. The role of the avoided crossing seam is emphasized and its importance for the astrophysically relevant charge transfer reactions underlined. This article is part of a discussion meeting issue 'Advances in hydrogen molecular ions: H
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. Three-dimensional imaging of dissociation products is used to determine the kinetic energy release and branching ratio among the fragmentation channels. Vibrational distributions are measured by dissociative charge transfer of H
products. It is found that the photodissociation of hot H
in the near-ultraviolet produces cold H
, but hot H
. Modelling the wavepacket dynamics along the repulsive potential energy surface accounts for the repopulation of the ground potential energy surface. The role of the avoided crossing seam is emphasized and its importance for the astrophysically relevant charge transfer reactions underlined. This article is part of a discussion meeting issue 'Advances in hydrogen molecular ions: H
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. Three-dimensional imaging of dissociation products is used to determine the kinetic energy release and branching ratio among the fragmentation channels. Vibrational distributions are measured by dissociative charge transfer of H
products. It is found that the photodissociation of hot H
in the near-ultraviolet produces cold H
, but hot H
. Modelling the wavepacket dynamics along the repulsive potential energy surface accounts for the repopulation of the ground potential energy surface. The role of the avoided crossing seam is emphasized and its importance for the astrophysically relevant charge transfer reactions underlined. This article is part of a discussion meeting issue 'Advances in hydrogen molecular ions: H
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| ispartof | Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences, 2019-09, Vol.377 (2154), p.20180399 |
| issn | 1364-503X 1471-2962 |
| language | eng |
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| source | JSTOR Archival Journals and Primary Sources Collection; Royal Society Publishing Jisc Collections Royal Society Journals Read & Publish Transitional Agreement 2025 (reading list) |
| title | Photodissociation as a probe of the H 3 + avoided crossing seam |
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